Family:
Rubiaceae Juss.

Keetia gueinzii (Sond.) Bridson

This species is accepted, and its native range is Cameroon to Ethiopia and S. Africa.

[FTEA]

Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

Morphology General Habit
Scandent shrub or liane, 3–25 m. tall; young branches sparsely to densely covered with crisped or spreading golden to rust-coloured hairs.
Morphology Leaves
Leaf-blades usually drying brown, bullate or not, oblong-lanceolate to ovate, 5.5–13.5 cm. long, 3.5–6 cm. wide, acuminate at apex, rounded, truncate or more frequently subcordate to cordate at base, glabrous to sparsely pubescent above, glabrescent to densely pubescent beneath; lateral nerves in 6–9 main pairs; tertiary nerves finely reticulate; domatia present as tufts of hairs; petioles 3–7 mm. long, sparsely to densely covered with crisped or patent hairs; stipules lanceolate to ovate, 0.9–1.3 cm. long, up to 6 mm. wide at base, gradually acuminate, pubescent outside; leaves subtending lateral branches smaller, circular.
Morphology Reproductive morphology Flowers
Flowers 5-merous, borne in pedunculate 20–50-flowered cymes; peduncles 0.5–1.5 cm. long, sparsely to densely pubescent; pedicels 5–7 mm. long, pubescent to densely pubescent; bracteoles linear-lanceolate to lanceolate, 3–6 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx-tube 1 mm. long, densely covered with straight or crisped hairs or occasionally glabrescent; limb 1.25–1.5 mm. long, divided into teeth for one-third to half its length, glabrescent to sparsely pubescent, usually ciliate.
Morphology Reproductive morphology Flowers Corolla
Corolla creamy white; tube 2.25–4 mm. long, with a ring of deflexed hairs set just below the top inside; lobes oblong-lanceolate to ovate, 2.5–4 mm. long, 1.25–2.25 mm. wide, acute and thickened at apex.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers fully exserted, but seldom reflexing.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Style 0.5–1 cm. long, glabrous; stigmatic knob 1.25–2.25 mm. long.
Morphology Reproductive morphology Flowers Disc
Disk pubescent.
Morphology Reproductive morphology Fruits
Fruit black when ripe, ± broadly oblong in outline, 7–9 mm. long, 1.1–1.4 cm. wide, slightly indented, glabrous or glabrescent; pyrene obovoid with ventral face flattened to hemispherical, 9–11 mm. long, 6–7 mm. wide, apex with a rhombic area lying perpendicular to the plane face containing a central ridge; point of attachment free.
Figures
Figs. 131/16, 25, p. 752; 132/25, p. 754 & 162.
Habitat
Forest and woodland, often on swampy ground; 90–2450 m.
Distribution
K2/K3 K3 K4 K5 K7 T1 T2 T3 T4 T5 T6 T7 T8

[FZ]

Rubiaceae, D. Bridson. Flora Zambesiaca 5:2. 1998

Morphology General Habit
Scandent shrub or liana, 3–25 m tall; young branches sparsely to densely covered with crisped or spreading golden to rust-coloured hairs.
Morphology Leaves
Leaf blades 5.5–13.5 × 3.5–6 cm, oblong-lanceolate to ovate, acuminate at apex, rounded, truncate or more frequently subcordate to cordate at base, often bullate, usually drying brown, glabrous to sparsely pubescent on upper surface, glabrescent to densely pubescent beneath; lateral nerves in 6–9 main pairs; tertiary venation finely reticulate; domatia present as tufts of hair; petioles 3–7 mm long sparsely to densely covered with crisped or patent hairs; stipules 9–13 mm long, up to 6 mm wide at base, lanceolate to ovate, gradually acuminate, pubescent outside; leaves subtending lateral branches smaller, orbicular.
Morphology Reproductive morphology Flowers
Flowers 5-merous, borne in 20–50-flowered pedunculate cymes; peduncles 5–15 mm long, sparsely to densely pubescent; pedicels 5–7 mm long, pubescent to densely pubescent; bracteoles 3–6 mm long, linear-lanceolate to lanceolate.
Morphology Reproductive morphology Flowers Calyx
Calyx tube 1 mm long, densely covered with straight or crisped hairs or occasionally glabrescent; limb 1.25–1.5 mm long, divided into teeth for one third to half its length, glabrescent to sparsely pubescent, usually ciliate.
Morphology Reproductive morphology Flowers Corolla
Corolla creamy-white; tube 2.25–4 mm long, with a ring of deflexed hairs just below the throat inside; lobes 2.5–4 × 1.25–2.25 mm, oblong-lanceolate to ovate, acute and thickened at apex.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers fully exserted but seldom reflexed.
Morphology Reproductive morphology Flowers Gynoecium Style
Style 5–10 mm long, glabrous.
Morphology Reproductive morphology Flowers Pollen presenter
Pollen presenter 1.25–2.25 mm long; disk pubescent.
Morphology Reproductive morphology Fruits
Fruit 7–9 × 11–14 mm, broadly oblong in outline, slightly indented at apex, glabrous to glabrescent, black when mature.
Morphology Reproductive morphology Fruits Pyrene
Pyrene 9–11 × 6–7 mm, obovoid with ventral face flattened or hemispherical; lid-like area lying across the apex with a central crest.
Morphology Reproductive morphology Seeds
Seed with endosperm streaked with granules.

[FWTA]

Rubiaceae, F. N. Hepper & R. W. J. Keay. Flora of West Tropical Africa 2. 1963

Morphology General Habit
Climbing shrub
Morphology Reproductive morphology Flowers
Flowers whitish.

[FWTA]

Rubiaceae, F. N. Hepper & R. W. J. Keay. Flora of West Tropical Africa 2. 1963

Morphology General Habit
A shrub
Morphology Reproductive morphology Flowers
White flowers.

Native to:

Angola, Burundi, Cabinda, Cameroon, Cape Provinces, Central African Repu, Ethiopia, Gabon, Kenya, KwaZulu-Natal, Malawi, Mozambique, Northern Provinces, Rwanda, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

Keetia gueinzii (Sond.) Bridson appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Jan 1, 1985 Fyffe, R. [42], Uganda K000422536 Unknown type material Yes
Jan 1, 1985 Stolz, A. [124], Tanzania K000422535 isotype Yes
Milne-Redhead, E. [8648], Tanzania 31105.000 No
Galpin, E.E. [519], South Africa K000422780 syntype Yes
Bidgood, S. [5572], Tanzania K000468852 No
Harris, T. [635], Mozambique K000614219 No
Gueinzius [s.n.], South Africa K000422579 Unknown type material Yes
Timberlake, J. [5475], Mozambique K000614453 No

First published in Kew Bull. 41: 970 (1986)

Accepted by

  • Calane da Silva, M., Izdine, S. & Amuse, A.B. (2004). A Preliminary Checklist of the Vascular Plants of Mozambique: 1-184. SABONET, Pretoria.
  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola. Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya. Journal of East African Natural History 99: 129-226.
  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Harris, D.J. (2002). The vascular plants of the Dzanga-Sangha Reserve, Central African Republic: 1-274. National Botanic Garden (Belgium), Meise.
  • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo). Taxonomania. Revue de Taxonomie et de Nomenclature Botaniques 30: 1-307.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon. Scripta Botanica Belgica 35: 1-438.
  • Strugnell, A.M. (2006). A checklist of the Spermatophytes of Mt. Mulanje, Malawi. Scripta Botanica Belgica 34: 1-199.
  • Tilney, P.M. & Van Wyk, A.E. (2009). Taxonomy of the genus Keetia (Rubiaceae - subfam. Ixoroideae - tribe Vanguerieae) in southern Africa, with notes on bacterial symbiosis as well as the structure of colleters and the 'stylar head' complex. Bothalia 39: 165-175.
  • Timberlake, J.R., Bayliss, J., Alves, T., Francisco, J., Harris, T., Nangoma, D. & de Sousa, C. (2009). Biodiversity and Conservation of Mchese Mountain, Malawi. Report produced under the Darwin Initiative Award 15/036: 1-71. Royal Botanic Gardens, Kew.

Literature

Kew Backbone Distributions

  • Ruhsam, M. (2005). Survey of all the Rubiaceae specimens at the Royal Botanic Gardens, Kew.
  • Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon. Scripta Botanica Belgica 35: 1-438.
  • Tilney, P.M. & Van Wyk, A.E. (2009). Taxonomy of the genus Keetia (Rubiaceae - subfam. Ixoroideae - tribe Vanguerieae) in southern Africa, with notes on bacterial symbiosis as well as the structure of colleters and the 'stylar head' complex. Bothalia 39: 165-175.

Flora of Tropical East Africa

  • Bridson in Kew Bulletin 41: 970, fig. 1A–C (1986).

  • Flora Zambesiaca

    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of Tropical East Africa

    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of West Tropical Africa

    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • 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 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