Hevea Aubl.

This genus is accepted, and its native range is S. Tropical America.

[FTEA]

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

Morphology General Habit
Monoecious laticiferous trees
Morphology Leaves
Leaves alternate, stipulate, long-petiolate, trifoliolate; petiole with a gland at the apex; leaflets petiolulate, entire, penninerved, membranous, chartaceous or coriaceous
Morphology Leaves Stipules
Stipules small, fugacious
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, subtended by leaves or bracts, paniculate, androgynous, the central flower of each cyme-unit ♀, the rest ♂, protogynous; bracts small, entire
Morphology Reproductive morphology Flowers
Male flowers: calyx globose or ovoid in bud, 5-lobed, the lobes valvate; petals 0; disc of 5 free or united glands; stamens 5–10, the filaments united to form a column, anthers sessile, regularly or irregularly disposed around the column in 1–2 series, those of the lower series alternating with the calyx-lobes; pistillode at apex of staminal column, entire Female flowers: calyx as in the ♂; petals 0; disc minute or 0; ovary ovoid, 3(–4)-locular, with one ovule per locule; styles 3(–4), short, stigmas thick, spreading, entire or slightly bilobed
sex Male
Male flowers: calyx globose or ovoid in bud, 5-lobed, the lobes valvate; petals 0; disc of 5 free or united glands; stamens 5–10, the filaments united to form a column, anthers sessile, regularly or irregularly disposed around the column in 1–2 series, those of the lower series alternating with the calyx-lobes; pistillode at apex of staminal column, entire
sex Female
Female flowers: calyx as in the ♂; petals 0; disc minute or 0; ovary ovoid, 3(–4)-locular, with one ovule per locule; styles 3(–4), short, stigmas thick, spreading, entire or slightly bilobed
Morphology Reproductive morphology Fruits
Fruits large, bluntly or sharply trigonous, dehiscing septicidally into 3 bivalved cocci; endocarp woody
Morphology Reproductive morphology Seeds
Seeds large, smooth, oblong-ovoid, blotched, estrophiolate; testa crustaceous; albumen reduced or lacking; cotyledons thick, fleshy, ± equal in size.

[FZ]

Euphorbiaceae, A. Radcliffe-Smith. Flora Zambesiaca 9:4. 1996

Morphology General Habit
Monoecious laticiferous trees.
Morphology Leaves
Leaves alternate, stipulate, long-petiolate, trifoliolate; petiole with an apical gland; leaflets petiolulate, entire, penninerved; stipules small, fugacious.
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, subtended by leaves or bracts, paniculate, androgynous, the central flower of each cymule female, the rest male, protogynous; bracts small, entire.
Morphology Reproductive morphology Flowers
Male flowers: calyx ovoid or globose in bud, 5-lobed, the lobes valvate; petals absent; disk glands 5, free or united; stamens 5–10, the filaments united into a column, anthers sessile in 1–2 series, those of the outer series alternisepalous; pistillode at the apex of the staminal column, entire. Female flowers: calyx as in the male; petals absent; disk minute or absent; ovary ovoid, 3(4)-locular, with 1 ovule per locule; styles short, stigmas thick, spreading, entire or slightly 2-lobed.
Morphology Reproductive morphology Fruits
Fruits large, trigonous, septicidally dehiscent into 3 bivalved cocci; endocarp woody.
Morphology Reproductive morphology Seeds
Seeds large, oblong-ovoid, smooth, blotched, ecarunculate; testa crustaceous; endosperm scanty or absent; cotyledons thick, fleshy, ± equal in size.

Native to:

Bolivia, Brazil North, Brazil South, Brazil West-Central, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela

Introduced into:

Andaman Is., Assam, Bangladesh, Benin, Bismarck Archipelago, Cambodia, Caroline Is., Central African Repu, China South-Central, China Southeast, Costa Rica, Fiji, Guinea, Guinea-Bissau, Gulf of Guinea Is., Hainan, India, Malaya, Marianas, Mexico Southwest, Nicobar Is., Taiwan, Thailand, Togo, Trinidad-Tobago, Zaïre

Hevea Aubl. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Ducke, A. [21970], Brazil K001205619 Yes
Ducke, A. [132], Brazil K001205626 Yes
Acevedo-Rodriguez, P. [7992], Brazil K001205864 Yes
Acevedo-Rodriguez, P. [8182], Brazil K001205866 Yes
Schultes, R.E. [8098], Brazil K001205627 Yes
Ducke, A. [824], Brazil K001205628 Yes
Ducke, A. [21971], Brazil K001205615 Yes
Krukoff, B.A. [508], Brazil K001205839 Yes
Ducke, A. [s.n.], Brazil K001205620 Yes
Ducke, A. [s.n.], Brazil K001205616 Yes
Ducke, A. [134], Brazil K001205624 Yes
Ducke, A. [21973], Brazil K001205613 Yes
Ducke, A. [IAN/131], Brazil K001205625 Yes
Ducke, A. [134], Brazil K001205623 Yes
Fróes, R.L. [20742], Brazil K001205838 Yes
Ducke, A. [21972], Brazil K001205617 Yes
Acevedo-Rodriguez, P. [8179], Brazil K001205865 Yes
Acevedo-Rodriguez, P. [8264], Brazil K001205867 Yes
Schultes, R.E. [10261], Brazil K001205614 Yes
Schultes, R.E. [10260], Brazil K001205618 Yes

First published in Hist. Pl. Guiane 2: 871 (1775)

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

Flora of West Tropical Africa

  • Pax & K. Hoffm. in E. & P. Pflanzenfam. 19C: 102 (1931).
  • —F.T.A. 6, 1: 743

Flora Zambesiaca

  • Hist. Pl. Guiane 2: 871, t. 335 (1775).
  • Müller Argoviensis in De Candolle, Prodr. 15, 2: 716 (1866).
  • Pax in Engler, Pflanzenr. [IV, fam. 147, i] 42: 117 (1910).

Flora of Tropical East Africa

  • G.P. 3(1): 290 (1880)
  • Hist. Pl. Guiane Fr. 2: 871, t. 335 (1775)
  • Hutch. in F.T.A. 6(1): 743 (1912)
  • Muell. Arg. in DC., Prodr. 15(2): 716 (1866)
  • Pax in E.P. IV. 147(1): 117 (1910)

  • 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

  • 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