Meineckia Baill.

This genus is accepted, and its native range is Tropical Africa to Assam, Mexico to Brazil.

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Shrubs or subherbaceous undershrubs; hairs, when present, simple
Morphology General Shoots
Shoots all similar
Morphology Leaves
Leaves alternate, distichous, shortly petiolate, entire
Morphology Reproductive morphology Inflorescences
Flowers axillary, male in clusters, female usually solitary; pedicels very long, articulated near the base in female
Morphology Reproductive morphology Flowers Calyx
Sepals 5
Morphology Reproductive morphology Flowers Corolla
Petals absent
Morphology Reproductive morphology Flowers Disc
Disc annular
Morphology Reproductive morphology Flowers
Male flowers: stamens 5, filaments united into column; rudimentary pistillode at apex of staminal-column
Morphology Reproductive morphology Fruits
Fruit a capsule
Morphology Reproductive morphology Seeds
Seeds usually 1 per cell by abortion of second ovule, reniform with distinct pits in sides; caruncle absent.
Distribution
Some 30 species with a discontinuous distribution from Central and South America east to S India, Sri Lanka and Assam; 25 species in eastern Africa and Madagascar.

[FTEA]

Euphorbiaceae, A. R.-Smith. Flora of Tropical East Africa. 1987

Morphology General Habit
Monoecious or dioecious shrubs or subherbaceous undershrubs
Morphology General Indumentum
Indumentum (when present) simple, hairs multicellular
Morphology Leaves
Leaves alternate, distichous, petiolate, often only shortly so, stipulate, simple, entire, penninerved
Morphology Reproductive morphology Flowers
Flowers axillary, fasciculate, the fascicles unisexual or bisexual; if unisexual, male flowers several per fascicle, female flowers usually solitary Male flowers: pedicels long, very slender; sepals 5, imbricate; petals 0; disc annular or patelliform, slightly lobed, the lobes opposite to the sepals, adnate to the calyx, at least partially so; stamens 5, with the filaments united 1/4 to almost their entire length into a slender or stout column, anthers extrorse, quadrilobate, laterally dehiscent; pistillode cylindric, entire or trifid, at the apex of the staminal column Female flowers: pedicels very long, slender, distinctly articulate near the base; sepals and disc as in the ♂ flowers; ovary smooth, glabrous, 3-locular, with 2 ovules per locule; styles slightly connate at the base, bipartite or deeply bifid, stigmas usually capitate
sex Male
Male flowers: pedicels long, very slender; sepals 5, imbricate; petals 0; disc annular or patelliform, slightly lobed, the lobes opposite to the sepals, adnate to the calyx, at least partially so; stamens 5, with the filaments united 1/4 to almost their entire length into a slender or stout column, anthers extrorse, quadrilobate, laterally dehiscent; pistillode cylindric, entire or trifid, at the apex of the staminal column
sex Female
Female flowers: pedicels very long, slender, distinctly articulate near the base; sepals and disc as in the ♂ flowers; ovary smooth, glabrous, 3-locular, with 2 ovules per locule; styles slightly connate at the base, bipartite or deeply bifid, stigmas usually capitate
Morphology Reproductive morphology Fruits
Fruits trilobate, dehiscing septicidally into 3 bivalved cocci leaving a persistent columella; endocarp thinly woody
Morphology Reproductive morphology Seeds
Seeds often 1 per locule due to abortion, reniform, pitted, ecarunculate; endosperm copious; cotyledons broad, flat; radicle over 1/2 the length of the cotyledons, bent.

[KBu]

Vorontsova, M.S. & Hoffmann, P. (2008). A phylogenetic classification of tribe Poranthereae (Phyllanthaceae, Euphorbiaceae sensu lato). Kew Bulletin 63: 41. https://doi.org/10.1007/s12225-007-9012-8

Distribution
Americas, Africa including Madagascar, South Asia; 30 species.
Morphology General Habit
Monoecious or dioecious trees or shrubs, sometimes subherbaceous
Morphology General Indumentum
Indumentum simple or 0
Morphology Leaves
Leaves alternate, petiolate, entire, not peltate or peltate in M. peltata, penninerved, 1 – 5 times longer than wide, membranaceous to chartaceous
Morphology Leaves Stipules
Stipules persistent or deciduous, membranaceous, sometimes foliaceous, margin entire to laciniate, glabrous
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5; filaments free to fused up to 9/10 of their length; anthers longitudinally dehiscent
Morphology Reproductive morphology Flowers Calyx
Sepals 5 (rarely 6), either accrescent or not
Morphology Reproductive morphology Flowers Corolla
Petals 0 or 5, much shorter than sepals
Morphology Reproductive morphology Flowers Disc
Disc annular, entire or shallowly undulate, concave, slightly cupular, membranaceous to chartaceous or thick fleshy
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 3-locular, glabrous or densely pilose; ovules anatropous
Morphology Reproductive morphology Flowers Gynoecium Pistillodes
Pistillode subentire to 3-lobed
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigmas apically dilated to capitate
Morphology Reproductive morphology Flowers Gynoecium Style
Styles free or connate at base, entire to bifid to base
Morphology Reproductive morphology Flowers Pedicel
Pedicels articulate above base; articulation practically invisible before abscission
Morphology Reproductive morphology Flowers Pollen
Pollen prolate to spheroidal; exine reticulate to verrucate
Morphology Reproductive morphology Fruits
Fruit 3-lobed Columella 5 – 6 times longer than its narrowest width
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, solitary to fasciculate, staminate flowers sometimes on short densely bracteate inflorescences
Morphology Reproductive morphology Seeds
Seeds 1 or 2 per locule, ecarunculate, rounded triquetrous to reniform, rugose to fenestrate
Morphology Reproductive morphology Seeds Cotyledons
Cotyledons equal, broad, thin, longer or shorter than radicle, much wider than radicle.
Morphology Reproductive morphology Seeds Embryo
Embryo longitudinally curved to almost straight
Morphology Reproductive morphology Seeds Endosperm
Endosperm copious, deeply invaginate
Note
The circumscription of Meineckia is here broadened to include the new Madagascan subgenus Petaliferae.

[FTEA]

Euphorbiaceae, A. R.-Smith. Flora of Tropical East Africa. 1987

Morphology General Habit
Monoecious or occasionally dioecious trees or shrubs, without indumentum
Morphology Leaves
Leaves alternate, shortly petiolate, stipulate, simple, entire, penninerved
Morphology Leaves Stipules
Stipules large, foliaceous, green, sometimes persistent
Morphology Reproductive morphology Flowers
Flowers axillary, the males solitary, geminate or fasciculate, often long-pedicellate, the females solitary, usually in the distal axils, long-pedicellate Male flowers: sepals 5, imbricate, conspicuously veined; petals 0; disc large, flat, annular-pentagonal; stamens 5, filaments free, anthers introrse, medifixed, longitudinally dehiscent; pollen very diverse; pistillode small to minute, trifid or trilobate Female flowers: sepals and disc ± as in the ♂ flowers, but somewhat larger; ovary smooth, 3-locular, with 2 ovules per locule; styles 3, ± free or united at the base, ascending or spreading, recurved, entire or slightly bilobate, the stigmas somewhat swollen
sex Male
Male flowers: sepals 5, imbricate, conspicuously veined; petals 0; disc large, flat, annular-pentagonal; stamens 5, filaments free, anthers introrse, medifixed, longitudinally dehiscent; pollen very diverse; pistillode small to minute, trifid or trilobate
sex Female
Female flowers: sepals and disc ± as in the ♂ flowers, but somewhat larger; ovary smooth, 3-locular, with 2 ovules per locule; styles 3, ± free or united at the base, ascending or spreading, recurved, entire or slightly bilobate, the stigmas somewhat swollen
Morphology Reproductive morphology Fruits
Fruit 3-lobed, dehiscing into 3 bivalved cocci, the valves of which separate; exocarp rugulose, ultimately separating from the endocarp; endocarp thinly woody; columella persistent
Morphology Reproductive morphology Seeds
Seeds 2 per locule, roundly triquetrous-subreniform, foveolate-lineate or rugulose, ecarunculate.

Native to:

Angola, Belize, Brazil Northeast, Brazil Southeast, Colombia, East Himalaya, Ethiopia, Guatemala, Honduras, India, Kenya, Madagascar, Mexico Southeast, Nicaragua, Oman, Socotra, Somalia, Sri Lanka, Tanzania, Uganda, Yemen, Zaïre

Meineckia Baill. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
s.coll. [s.n.] K000186621 No
Perrier de la Bâthie, J.M.H.A. [9721], Madagascar K000186731 Yes
Lovett, J. [260], Tanzania Zimmermannia K000186568 No

First published in Étude Euphorb.: 586 (1858)

Accepted by

  • Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Kew Bulletin

  • Baillon, H. (1858). Etude generale du groupe des Euphorbiacees. Victor Masson, Paris.
  • Bogner, J. & Nusbaumer, L. (2012). A new species of Carlephyton (Araceae) from northern Madagas­car with notes on the species of this genus. Willdenowia. 42(2): 209 - 217.
  • Brunel,J.F.&Roux,J.(1982). Phyllantheae de Madagascar III: une nouvelle espece du genre Meineckia. Bull. Mus. Hist. Nat. Paris, Serie 4, Section B, Adansonia 1 - 2: 79 - 84.
  • Hoffmann, P., Kathriarachchi, H. & Wurdack, K. J. (2006). A phylogenetic classi fi cation of Phyllamtheae (Malpighiales; Euphorbiaceae sensu lato). Kew Bull. 61: 37 - 53.
  • Humbert, H. (1955). Description des types de vegetation. In: H. Humbert & G. Cours-Darnes (eds), Notice de la carte de Madagascar . Trav. Sect. Sci. Techn. Inst. Franc., Pondichery, Extr. Hors Ser. 6: 46 - 78.
  • Humbert, H. (1965). Les territoires phytogeographiques de Madagascar. Annee Biol., Ser. 3(31): 439 - 448.
  • IUCN (2012). IUCN Red List Categories and Criteria: version 3, second ed. IUCN Species Survival Commission, Gland and Cambridge.
  • Kathriarachchi, H., Hoffmann, P., Samuel, R., Wurdack, K. J. & Chase, M. W. (2005). Molecular phylogenetics of Phyllanthaceae inferred from five genes (plastid atpB, matK, ndhF, rbcL,nuclear PHYC). Molec. Phylogenet. Evol. 36: 112 - 134.
  • Leandri, J. (1958). Euphorbiaceae I (Phyllanthoideae). In: H. Humbert (ed.), Flore de Madagascar et des Comores, 111eme famille: 1 - 199. Firmin-Didot, Paris.
  • Muller, J. (1865). Euphorbiaceae. Vorlau fige Mittheilungen aus dem fur De Candolle’s Prodromus bestimmten Manuscript uber diese Familie. Linnaea. 34: 1 - 224.
  • Muller, J. (1866). Euphorbiaceae. In: A. P. De Candolle (ed.), Prodromus systematis naturalis regni vegetabilis 15(2): 189 - 1286. Victor Masson, Paris.
  • Radcliffe-Smith, A. (1997). Notes on African and Madagascan Euphorbiaceae. Kew Bull. 52: 171 - 176.
  • Samuel, R., Kathriarachchi, H., Hoffmann, P., Barfuss, M. H. J., Wurdack, K. J., Davis, C. C. & Chase, M. W. (2005). Molecular phylogenetics of Phyllanthaceae.Evidence from plastid matK and nuclear PHYC se­ quences. Amer. J. Bot. 92: 132 - 141.
  • Thiers, B. (continuously updated). Index Herbariorum: A global directory of public herbaria and associated staff. New York Botanical Garden's Virtual Herbarium http://sweetgum.nybg.org/science/ih/.
  • Vorontsova, M. S. & Hoffmann, P. (2008). A phylogenetic classifi­cation of the tribe Poranthereae (Phyllanthaceae, Euphorbiaceae sensu lato). Kew. Bull. 63: 41 - 59.
  • Vorontsova, M. S., Hoffmann, P., Maurin, O. & Chase, M. W. (2007). Molecular phylogenetics of tribe Poranthereae (Phyllanthaceae, Euphorbiaceae sensu lato). Amer. J. Bot. 94: 2026 - 2040.
  • Webster, G. L. (1965). A revision of the genus Meineckia ( Euphorbiaceae). Acta. Bot. Neerl. 14: 323 - 365.
  • Wurdack, K. J., Samuel, R., de Bruijn, A., van der Bank, M.&Chase,M.W.(2004).Molecularphylogenetic analysis of Phyllanthaceae ( Phyllanthoideae pro parte, Euphorbiaceae sensu lato) using plastid rbcL DNA sequences. Amer. J. Bot. 92: 1397 - 1420.

Flora of Somalia

  • Flora Somalia, Vol 1, (1993) Author: by M. G. Gilbert [updated by M. Thulin 2008]
  • Websterin Acta Bot. Nederland 14: 323–365 (1965).

Flora of Tropical East Africa

  • Etud. Gén. Euph.: 586 (1858)
  • Webster in Acta Bot. Neerl. 14: 323 (1965)

  • Flora of Somalia

    Flora of Somalia
    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

  • 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 Bulletin

    Kew Bulletin
    http://creativecommons.org/licenses/by-nc-sa/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