Hymenocardia Wall. ex Lindl.

This genus is accepted, and its native range is Tropical & S. Africa, Tropical Asia.

[FZ]

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

Morphology General Habit
Dioecious, deciduous trees or shrubs.
Morphology General Indumentum
Indumentum simple.
Morphology Leaves
Leaves alternate, shortly petiolate, stipulate, simple, entire, penninerved, acarodomatiiferous, gland-dotted beneath.
Morphology Leaves Stipules
Stipules deciduous.
Morphology Reproductive morphology Inflorescences
Male inflorescences often precocious, axillary, solitary or paucifasciculate, spicate or subpaniculate, densely flowered; bracts minute.
Morphology Reproductive morphology Flowers
Male flowers: calyx cupular, 4–6(8)-lobed, lobes imbricate; petals absent; disk absent; stamens 4–6, opposite the sepals, filaments short, elongating and spreading at anthesis, free or connate at the base, glandular at the apex, anthers 2-locular, dorsifixed, introrse then extrorse (due to bending of filaments), thecae parallel, distinct, longitudinally dehiscent; pistillode cylindric, entire or 2-lobed. Female flowers axillary, solitary or paired, or in few-flowered terminal racemes; pedicels slender; sepals 4–6(9), usually free, open or imbricate, narrow, caducous; petals absent; disk absent; ovary 2-locular, compressed perpendicularly to the septum, with 2 apical pendulous anatropous ovules per locule; styles 2, free, elongate, simple with smooth or papillose stigmas.
Morphology Reproductive morphology Fruits
Fruit stipitate or not, 2-coccous, flattened, winged, septifragally dehiscent or not; pericarp somewhat crustaceous; endocarp thinly membranous; columella persistent.
Morphology Reproductive morphology Seeds
Seeds usually 1 per coccus, flat, winged or not; testa thin, striate, shiny; endosperm sparse; cotyledons broad, flat, thin; radicle elongate.

[FTEA]

Hymenocardiaceae, A. R.-Smith. Flora of Tropical East Africa. 1988

Note
Characters of the family.

Native to:

Angola, Benin, Burkina, Burundi, Cambodia, Cameroon, Cape Provinces, Caprivi Strip, Central African Repu, Chad, Congo, East Himalaya, Equatorial Guinea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, KwaZulu-Natal, Laos, Liberia, Malawi, Malaya, Mali, Mauritania, Mozambique, Myanmar, Nigeria, Northern Provinces, Rwanda, Senegal, Sierra Leone, Sudan, Sumatera, Tanzania, Thailand, Togo, Uganda, Vietnam, Zambia, Zaïre, Zimbabwe

Hymenocardia Wall. ex Lindl. appears in other Kew resources:

First published in Intr. Nat. Syst. Bot., ed. 2: 441 (1836)

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 Engl. Pflanzenr. Euph. 15: 72–78 (1922).
  • —F.T.A. 6, 1: 648

Flora Zambesiaca

  • Fl. Afr. Cent. (Hymenocardiaceae): 2 (1985), nom. conserv.
  • J. Léonard in Bull. Soc. Roy. Bot. Belgique 90: 15 (1957)
  • Müller Argoviensis in De Candolle, Prodr. 15, 2: 476 (1866).
  • Nat. Syst. Bot., ed. 2, 441 (1836).

Flora of Tropical East Africa

  • Endl., Gen. 1: 288 (1837)
  • G.P. 3: 285 (1883)
  • Hutch. in F.T.A. 6(1): 648 (1912)
  • Muell. Arg. in DC., Prodr. 15(2): 476 (1866)
  • Nat. Syst. Bot., ed. 2: 441 (1836)
  • Pax & K. Hoffm. in E.P. IV. 147 (15): 72 (1922)

  • 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

  • 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