Genus:
Olinia Thunb.

Olinia ruandensis Gilg

This species is accepted, and its native range is Rwanda to Zambia.

[KBu]

Sebola, R.J. & Balkwill, K. 2013. A monographic study of the Oliniaceae. Kew Bulletin 68: 419. https://doi.org/10.1007/s12225-013-9465-x

Conservation
This species is widely distributed from the Democratic Republic of the Congo to Zambia, and Tanzania up to the Great Lakes in Rwanda. On the basis of available evidence from collections by various collectors, evaluation against the IUCN categories indicates Least Concern (LC).
Distribution
Occurs in Rwanda, Tanzania, the Democratic Republic of the Congo and Zambia.
Ecology
Growing in forests and at forest margins alt. 1200 – 2250 m.
Morphology General Bark
Bark grey and slightly peeling branchlets pale
Morphology General Habit
Shrubs up to 6 m high
Morphology General Scales
Scales yellowish, 2 – 5 mm long, markedly puberulent
Morphology Leaves
Secondary veins faintly visible above, just visible below, second loop before margins invisible above Primary veins channelled or impressed above, prominent below Leaves 46 – 63 × 27 – 39 mm, discolorous, broadly elliptic apex acuminate base rounded to cuneate
Morphology Leaves Petiole
Petiole 2.5 – 6 mm long, glabrous
Morphology Reproductive morphology Flowers
Flower 5-merous
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens as for the genus
Morphology Reproductive morphology Flowers Calyx
Sepals as for the genus
Morphology Reproductive morphology Flowers Corolla
Petals 3.5 – 5 mm long, oblong, bluntly apiculate, hairy on margins, glabrous on outside and inside, broader than long
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 5-locular style slightly glabrous, shorter than hypanthium stigma slightly terete
Morphology Reproductive morphology Flowers Hypanthium
Hypanthium narrow, glabrous, 10 – 14 mm long
Morphology Reproductive morphology Flowers Pedicel
Pedicels 2 – 4 mm long, pubescent
Morphology Reproductive morphology Fruits
Fruit globose, 6 – 9 mm in diam., often with pale to whitish lenticels, apex with a circular hypanthium scar 4 – 6 mm in diam., sharp point marks remnant of style.
Morphology Reproductive morphology Inflorescences
Inflorescence units sparsely pubescent, slightly compact
Morphology Reproductive morphology Inflorescences Bracts
Bracts caducous or rarely persistent, pubescent, thin and papery
Note
Olinia ruandensis can be distinguished from O. huillensis subsp. discolor by a larger tree habit (single-stemmed and up to 6 m high) leaves that are discolorous, broadly elliptic, 27 – 39 mm wide and a particularly rounded to cuneate base. This contrasts with subsp. discolor that has a shrubby habit, though up to 3 m high leaves that are narrow, 21 – 34 mm wide with an assymetrical cuneate base. Olinia ruandensis is likely to be confused with O. huillensis subsp. discolor based on bracts and floral features. The two are sympatric in Tanzania and population level data is desirable.
Type
Type: Rwanda, Rugege-Wald, Mildbraed 1027 (holotype B† isotype K!).

Native to:

Rwanda, Tanzania, Zambia, Zaïre

Olinia ruandensis Gilg appears in other Kew resources:

First published in G.W.J.Mildbraed (ed.), Wiss. Erg. Deut. Zentr.-Afr. Exped., Bot. 2: 575 (1913)

Accepted by

  • Sebola, R.J. & Balkwill, K. (2009). Numerical phenic analysis of Olinia rochetiana sensul lato (Oliniaceae). Kew Bulletin 64: 95-121. Royal Botanic Gardens, Kew.
  • Sebola, R.J. & Balkwill, K. (2013). A monographic study of the Oliniaceae. Kew Bulletin 68: 419-456. Royal Botanic Gardens, Kew.

Not accepted by

  • Launert, E. (ed.) (1978). Flora Zambesiaca 4: 1-658. Royal Botanic Gardens, Kew. [Cited as Olinia rochetiana.]

Literature

Kew Bulletin

  • (1914: 575)
  • Adamson, R. S. (1950). Oliniaceae. In: R. S. Adamson & T. M. Salter (eds), Flora of the Cape Peninsula. pp. 593 – 594. Juta & Co., Cape Town.
  • Angiosperm Phylogeny Group (APG) I (1998). An ordinal classification for the families of flowering plants. Ann. Missouri Bot. Gard. 85: 531 – 553.CrossRefGoogle Scholar
  • Archer, R. H. (2000). Oliniaceae. In: O. A. Leistner (ed.), Seed Plants of southern Africa: Families and genera. Strelitzia 10: 430.
  • Arnott, W. G. (1839). Some new or rare Indian plants. Ann. Nat. Hist. pp. 153 – 154.
  • Baillon, H. (1877). Olinieae. Histoire des Plantes VI: 441 & 515. Hachette, Paris.
  • Baillon, H. (1880). Olinieæ. The Natural History of Plants VI: p. 48. L. Reeve & Co., London.
  • Baker, E. G. (1911). Oliniaceae. J. Linn. Soc., Bot. XL: 72 – 73.
  • Bentham, G. & Hooker, J. D. (1867). Order Lythrarieae. Genera Plantarum. p. 785. Reeve & Co., London.
  • Brenan, J. P. M. (1949). Check-lists of the Forest Trees and Shrubs of the British Empire 5: 395 – 396. Imperial Forestry Institute, Oxford.
  • Brenan, J. P. M. (1954). Plants collected by the Vernay Nyasaland Expedition of 1946. Mem. New York Bot. Gard. 8: 441.
  • Bullock, A. A. (1932). Canthium in British East Africa. Kew Bull. 8: 353 – 360.
  • Burman, J. (1738). Rariorum Africanum Plantarum. Amsterdam.
  • Burtt Davy, J. (1926). A Manual of the Flowering Plants and Ferns of the Transvaal with Swaziland, South Africa. Part I. Pteridophyta-Bombacaceae. Longmans, Green & Co. Ltd., New York.
  • Chant, S. R. (1978). Oliniaceae. In: V. H. Heywood (ed.), Flowering Plants of the World, pp. 162 – 163. Oxford University Press, Oxford.
  • Clausing, G. & Renner, S. S. (2001). Molecular phylogenetics of Melastomataceae and Meme-cylaceae: Implications for character evolution. Amer. J. Bot. 88: 486 – 498.
  • Coates-Palgrave, K. & Coates-Palgrave, M. (2002). Trees of Southern Africa, 3rd edn. Struik Publishers, Cape Town.
  • Coates-Palgrave, K. (1983). Trees of Southern Africa. Struik Publishers, Cape Town.
  • Codd, L. E. (1957). Olinia emarginata. In: R. A. Dyer (ed.), The Flowering Plants of Africa. 32: Plate 1260.
  • Coetzee, J. A. (1978a). Late Cenozoic paleoenvironments of southern Africa. In: E. M. van Zinderen Bakker (ed.), Antarctic Glacial History and World Paleoenvironments, pp. 115 – 127. A. A. Balkema, Rotterdam.
  • Coetzee, J. A. (1978b). Climatic and biological changes in south western Africa during the Late Cenozoic. In: E. M. van Zinderen Baker & J. A. Coetzee (eds), Paleoecology of Africa 10: 13 – 29.
  • Conti, E., Litt, A. & Sytsma, K. J. (1996). Circumscription of Myrtales and their relationships to other rosids: Evidence from rbcL sequence data. Amer. J. Bot. 83: 221 – 233.CrossRefGoogle Scholar
  • Conti, E., Litt, A., Wilson, P. G., Graham, S. A., Briggs, B. G., Johnson, L. A. S. & Sytsma, K. J. (1997). Interfamilial relationships of Myrtales: Molecular phylogeny and patterns of morphological evolution. Syst. Bot. 22: 629 – 647.
  • Cufodontis, G. (1959). Oliniaceae. Enumeratio Plantarum Aethiopiae Spermatophyta. Bull. Jard. Bot. État. Bruxelles 29 (suppl.): 603.
  • Cufodontis, G. (1960). Die identifizierung von Tephea Delile und andere die Oliniaceae betreffende Festellungen. Osterr. Bot. Zeit. 107: 106 – 112.CrossRefGoogle Scholar
  • Dahlgren, R. & Thorne, R. F. (1984). The Order Myrtales: Circumscription, Variation, and Relationships. Ann. Missouri Bot. Gard. 71: 633 – 699.CrossRefGoogle Scholar
  • Dahlgren, R. & Van Wyk, A. E. (1988). Structures and relationships of families endemic to or centered in Southern Africa. Monogr. Syst. Bot. Missouri Bot. Gard. 25: 1 – 94.
  • Dale, I. R. & Greenway, P. J. (1961). Oliniaceae. In: Kenya Trees and Shrubs, p. 350. Buchanan’s Kenya Estate Limited, Nairobi.
  • De Candolle, A. (1873). Prodromus Systematis Naturalis, Regni Vegetabilis, Pars II, p. 41. Treuttel & Wurtz, Parisis.
  • De Candolle, A. P. (1830). Prodromus Systematis Naturalis, Regni Vegetabilis, Pars IV, pp. 475 – 476. Treuttel & Wurtz, Parisis.
  • Decaisne, M. J. (1877). Sur les Caractères et les Affinités des Oliniées. Imprimerie Emile Martinet, Paris.
  • Delile, A. R. (1846). Tephea. In: C. L. X. Rochet d’Héricourt, Second Voyage, Mer Rouge, p. 340, Arthur Bertrand, Paris.
  • Eggeling, W. J. & Dale, I. R. (1952). The Indigenous Trees of the Uganda Protectorate. Govt. Printer, Entebbe.
  • Engler, A. & K. Prantl (eds) (1894). Die Natürlichen Pflanzenfamilien III. Wilhelm Engelmann, LeipzigGoogle Scholar
  • Engler, A. (1895). Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete. Theil C: 285. Berlin.
  • Engler, A. (1921). Die Pflanzenwelt Afrikas inbesondere seiner tropischen Gebiete. III Band 2. Heft, pp. 623 – 625. Wilhelm Engelmann, Leipzig.
  • Engler, A. (1964). Syllabus der Pflanzenfamilien. II Band, pp. 362 – 363. Gebruder Borntraeger, Berlin.
  • Faegri, K. & Van der Pijl, L. (1979). The Principles of Pollination Ecology, 3rd edn. Pergamon Press, Oxford.
  • Ferguson, I. K. & Skvarla, J. J. (1981). The pollen morphology of the subfamily Papilionoideae (Leguminosae). In: N. M. Polhill & P. H. Raven (eds), Advances in Legume systematics, pp. 859 – 896. Royal Botanic Gardens, Kew.
  • Fernandes, A. & Fernandes, F. (1962). O gènero Olinia Thunb. em Angola. Mem. Junta Invest. Ultramar 2 Sér., No. 38: 9 – 20.
  • Fernandes, A. (1961). Sur la position Systematique de la famille des Oliniaceae. Comptes Rendes IVe Reunion, AETFAT 2: 283 – 288. Junta de Investigaçôes do Ultramar, Lisboa.
  • Gilg, E. (1894). Oliniaceae. In: A. Engler & K. Prantl (eds), Die Natürlichen Pflanzenfamilien III, 6, a: 213 – 216. Wilhelm Engelmann, Leipzig.
  • Gilg, E. (1895). Oliniaceae Africanae. Bot. Jahrb. Syst. 19: 278.
  • Gilg, E. (1914). Oliniaceae. In: A. Friedrichs & H. Z. Mecklenburg (eds), Wissenschaftliche Ergebnisse der Deutschen Zentral-Afrika Expedition 1907 – 1908, Band II, pp. 575 – 576. Botanik, Klinkhardt & Biermann, Leipzig.
  • Goldblatt, P. & Manning, J. (2000). Cape Plants: A conspectus of the Cape flora of South Africa, Strelitzia 9: 549.
  • Goldblatt, P. (1978). An analysis of the flora of southern Africa: Its characteristics, relationships, and origins. Ann. Missouri Bot. Gard. 65: 369 – 436.CrossRefGoogle Scholar
  • Harvey, W. H. (1838). Genera of South African Plants. A. S. Robertson, Cape Town.
  • Hiern, W. P. (1871). Lythraceae. In: D. Olivier (ed.), Flora of Tropical Africa, Vol. II: 485 – 486. L. Reeve, London.
  • Hiern, W. P. (1898). Catalogue of the African Plants, Part II, Combretaceae to Rubiaceae. Longman & Co., London.
  • Hofmeyr, J. & Phillips, E. P. (1922). The Genus Olinia. Bothalia 1: 97 – 104.
  • Holmgren, P. K., Holmgren, N. H. & Barnett, L. C. (1990). Index Herbariorum, 8th edn. New York Botanical Garden, New York.
  • Hutchinson, J. (1964). The Families of Flowering Plants, 2nd edn. Clarendon Press, Oxford.
  • Hutchinson, J. (1973). The Families of Flowering Plants, 3rd edn. Clarendon Press, Oxford.
  • IUCN (2001). IUCN Red List Categories and Criteria. Version 3.1. IUCN Species Survival Commission, IUCN, Gland & Cambridge.
  • Jacquin, N. J. (1809). Fragmenta Botanica. Mathiae Andreae Schmidt, Vienna.
  • Jansen, S., Wanabe, T. & Smets, E. (2002). Aluminium accumulation in leaves of 127 species of Melastomataceae, with comments on the order Myrtales. Ann. Bot. 90: 53 – 64.CrossRefPubMedGoogle Scholar
  • Judd, W. S. & Olmstead, R. G. (2004). A survey of tricolpate (eudicot) phylogenetic relationships. Amer. J. Bot. 91: 1627 – 1644.CrossRefGoogle Scholar
  • Klotzsch, J. F. (1836). Olinia Thunb. Allg. Gartenzeitung (Otto & Dietrich) 4: 25 – 27.
  • Klotzsch, J. F. (1840). Olinia capensis Kl. In: J. H. F. Link, J. F. Klotzsch, & C. F. Otto (eds), Icones Plantarum Rariorum 1(1): 6 – 8, t. 3. Nicolaischen, Berlin.
  • Klotzsch, J. F. (1841a). Olinia acuminata Kl. In: J. H. F. Link, J. F. Klotzsch, & C. F. Otto (eds), Icones Plantarum Rariorum 1(4): 53 – 54, t. 21. Nicolaischen, Berlin.
  • Klotzsch, J. F. (1841b). Olinia cymosa Thunb. In: J. H. F. Link, J. F. Klotzsch, & C. F. Otto (eds), Icones Plantarum Rariorum 1(4): 60 – 61, t. 24. Nicolaischen, Berlin.
  • Lamarck, J. B. A. P. (1795). Encyclopédie i: 602. Paris.
  • Letty, C. (1962). Wildflowers of the Transvaal. Division of Botany, Department of Agriculture, Pretoria.
  • Liben, L. (1973). Rehabilitation de Olinia rochetiana A. Juss. (Oliniaceae). Bull. Jard. Bot. Natl. Belg. 43: 235 – 236.
  • Linnaeus, C. (1767). Mantissa Plantarum. Vol. 1, 2nd ed., Laurent, Salvii, Stockholm.
  • Linnaeus, C. (1784). Systema Vegetabilium. 14th edn, J. A. Murray (ed.), Dietrich, Gottingae.
  • Linnaeus, C. (1825). Systema Vegetabilium. Vol. 1, Gottingae.
  • Linnaeus, C. (1828). Systema Vegetabilium. Vol. 5, A. Sprengel (ed.), Gottingae.
  • Linnaeus, C. filius (1781). Supplementarum Plantarum. Impensis Orphanotrophei, Brunsvigae.
  • McNeill, J., Barrie, F. R., Burdet, H. M., Demoulin, V., Hawksworth, D. L., Marhold, K., Nicolson, D. H., Prado, J., Silva, P.C., Skog, J. E., Wiersema, J. H. & Turland, N. J. (eds) (2006). International Code of Botanical Nomenclature (Vienna Code) adopte
  • Mildbraed, J. (1932). Oliniaceae. Notizbl. Bot. Gart. Mus. Berlin Dahlem 11: 669 – 670.
  • Mujica, M. B. & Cutler, D. F. (1974). Taxonomic implications of anatomical studies on the Oliniaceae. Kew Bull. 29: 93 – 123.CrossRefGoogle Scholar
  • Muller, J. (1981). Exine architecture and function in some Lythraceae and Sonneratiaceae. Rev. Paleobot. Palynol. 35: 93 – 123.
  • Palmer, E. & Pitman, N. (1972). Trees of Southern Africa covering all known indigenous species in the Republic of South Africa, South-West Africa, Botswana, Lesotho and Swaziland 3: 1579 – 1581. A. A. Balkema, Cape Town.
  • Patel, V., Skvarla, J. J. & Raven, P. H. (1983). Half pseudocolpi, a unique feature of Olinia (Oliniaceae) pollen. Amer. J. Bot. 70: 469 – 473.CrossRefGoogle Scholar
  • Phillips, E. P. (1951). The Genera of South African Flowering Plants, 2nd edn. Botanical Survey Memoir No. 25, Department of Agriculture, Division of Botany and Plant Pathology, Government Printer, Pretoria.
  • Phillips, J. (1926). Biology of the flowers, fruits and young regeneration of Olinia cymosa Thunb. (‘Hard Pear’). Ecology 7: 338 – 350.CrossRefGoogle Scholar
  • Robyns, W. (1948). Flores des Spermatophytes du Parc National Albert 1: 650. Institut des Parc Natinaux de Congo Belge, Brussels.
  • Ross, J. H. (1975). The typification of Lycium inerme. Bothalia 11: 491 – 493.
  • Schmidt, E., Lötter, M. & McCleland, W. (2002). Trees and Shrubs of Mpumalanga and Kruger National Park. Jacana, Johannesburg.
  • Schönenberger, J. & Conti, E. (2003). Molecular phylogeny and floral evolution of the Penaeaceae, Oliniaceae, Rhynchocalycaceae, and Alzateaceae (Myrtales). Amer. J. Bot. 90: 293 – 309.CrossRefGoogle Scholar
  • Sebola & Balkwill (2009: 112).
  • Sebola, R. J. & Balkwill, K. (1999). Resurrection of two previously confused species, Olinia capensis (Jacq.) Klotzsch and O. micrantha Decne. (Oliniaceae). S. African J. Bot. 65: 97 – 103.
  • Sebola, R. J. & Balkwill, K. (2006). Reappraisal and identification of Olinia rochetiana (Oliniaceae) in South Africa. Bothalia 36: 91 – 99.
  • Sebola, R. J. & Balkwill, K. (2009). Numerical phenetic analysis of Olinia rochetiana sensu lato (Oliniaceae). Kew Bull. 64: 95 – 121.CrossRefGoogle Scholar
  • Sim, T. R. (1907). The Forests and forest Flora of the Colony of the Cape of Good Hope. pp. 227 – 228. Taylor & Henderson, Aberdeen.
  • Sonder, W. (1862). Olinieae. In: W. H. Harvey & O. W. Sonder (eds), Flora capensis 2: 519 – 520. L. Reeve, London.
  • Stace, C. A. (1989). Plant Taxonomy and Biosystematics. 2nd edn, Edward Arnold, Cambridge.
  • Stuessy, T. F. (1990). Plant Taxonomy: The systematic evaluation of comparative data. Columbia University Press, New York.
  • Takhtajan, A. (1966). Systema et Phylogenia Magnoliophytorum. Nauka, Moscow, Leningrad. [in Russian]
  • Takhtajan, A. (1967). Diversity and Classification of Flowering Plants, Columbia University Press, New York.
  • The Department of Water Affairs and Forestry (1998). National Forests Act (Act No. 84, 1998). Government Printers, Republic of South Africa.
  • Thunberg, C. P. (1794). Sideroxylon cymosum. Prodromus Plantarum Capensium in promontorio Bonae Spei Africes, Annis 1772 – 1775, pp. 36. Litteris Joh. Edman, Upsaliæ.
  • Thunberg, C. P. (1799). Olinia. In: J. J. Römer (ed.), Arch. Bot. (Leipzig) 2: 4 – 5.
  • Thunberg, C. P. (1823). Olinia. Flora capensis 1: 194 – 195.
  • Tobe, H. & Raven, P. H. (1984). The embryology and relationships of Oliniaceae (Myrtales). Pl. Syst. Evol. 146: 105 – 116.CrossRefGoogle Scholar
  • Verdcourt, B. & Fernandes, A. (1986). Oliniaceae. In: E. J. Mendes (ed.), Flora de Mozambique 74: pp. – 6. Instituto de Investigaçõs Cientifica Tropical, Lisbon.
  • Verdcourt, B. (1975). Oliniaceae. In: R. M. Polhill (ed.), Flora of tropical East Africa 2: 1 – 4. Crown Agents for Overseas Governments and Administrations, London.
  • Verdcourt, B. (1978). Oliniaceae. In: E. Launert (ed.), Flora Zambesiaca 4: 323 – 327. Flora Zambesiaca Managing Committee, London.
  • Von Balthazar, M. & Schönenberger, J. (2006). Oliniaceae. In: K. Kubitzki (ed.), The Familes and Genera of Vascular Plants IX: 206 – 264. Springer, Berlin.
  • Von Breitenbach, F. (1963). The Indigenous Trees of Ethiopia. pp. 107 – 108. Ethiopian Forestry Association, Addis Ababa.
  • Weberling, F. (1988). The architecture of inflorescences in the Myrtales. Ann. Missouri Bot. Gard. 75: 226 – 310.CrossRefGoogle Scholar
  • Werger, M. J. A. & Coetzee, B. J. (1978). The Sudano-Zambezian Region. In: M. J. A. Werger (ed.), Biogeography and Ecology of Southern Africa, Dr. W. Junk, The Hague.
  • Werger, M. J. A. (1978). Biogeographical division of southern Africa. In: M. J. A. Werger (ed.), Biogeography and Ecology of Southern Africa, pp. 147 – 170. Dr. W. Junk, The Hague.CrossRefGoogle Scholar
  • White, F. (1962). Oliniaceae. In: F. White (ed.), Forest Flora of Northern Rhodesia, pp. 269, fig. 47. Oxford University Press, Oxford.
  • White, F. (1978). The afromontane region. In: M. J. A. Werger (ed.), Biogeography and Ecology of Southern Africa, Dr. W. Junk, The Hague.
  • de Jussieu, A. H. L. (1846). Rapport sur le sec. Voyage en Abyssinie de M. Rochet D’Héricourt. Comptes Rend. Hebd. Séances Acad. Sci. 22: 789 – 814.

Kew Backbone Distributions

  • Sebola, R.J. & Balkwill, K. (2009). Numerical phenic analysis of Olinia rochetiana sensul lato (Oliniaceae). Kew Bulletin 64: 95-121. Royal Botanic Gardens, Kew.

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

  • Kew Bulletin

    Kew Bulletin
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  • Kew Names and Taxonomic Backbone

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0