Thecacoris A.Juss.

This genus is accepted, and its native range is Tropical Africa, Madagascar.

[FSOM]

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

Distribution
Genus of some 25 species in tropical Africa and Madagascar.
Morphology General Habit
Dioecious trees, shrubs or perennial herbs with indumentum of simple hairs
Morphology Leaves
Leaves alternate, or clustered on short shoots, simple, entire or dentate; stipules present
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, spicate, racemose or paniculate
Morphology Reproductive morphology Flowers
Male flowers: sepals 5(–6), membranous, imbricate; petals small or absent; disc glands 5, free; stamens 5, opposite the sepals, free; pistillode large Female flowers: sepals somewhat united at the base, otherwise as in male flowers; petals small or absent; disc annular, crenulate; ovary 3-celled, with 2 ovules per cell; style 3, free, bifid
Morphology Reproductive morphology Fruits
Fruit loculicidally dehiscent; endocarp thinly woody
Morphology Reproductive morphology Seeds
Seeds shiny.

[FTEA]

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

Morphology General Habit
Dioecious trees or shrubs with simple indumentum
Morphology Leaves
Leaves alternate, shortly petiolate, stipulate, simple, ± entire, penninerved
Morphology Reproductive morphology Inflorescences
Inflorescences racemose, solitary, geminate or fasciculate, axillary, many-flowered; flowers 1 per bract
Morphology Reproductive morphology Flowers
Male flowers: sepals 5, imbricate; petals 5, small, or 0; disc-glands 5, free, interstaminal, opposite the petals; stamens 5, opposite the sepals, filaments free, anther-thecae distinct, pendulous, later erect, longitudinally dehiscent; pistillode columnar or obconic, dilated, often truncate Female flowers: pedicels patent in the fruiting stage; sepals ± as in the ♂; petals smaller than in the ♂, or 0; staminodes sometimes present; disc hypogynous, annular; ovary 3-locular, ovules 2 per locule; styles 3, free or connate at the base, recurved, bifid
sex Male
Male flowers: sepals 5, imbricate; petals 5, small, or 0; disc-glands 5, free, interstaminal, opposite the petals; stamens 5, opposite the sepals, filaments free, anther-thecae distinct, pendulous, later erect, longitudinally dehiscent; pistillode columnar or obconic, dilated, often truncate
sex Female
Female flowers: pedicels patent in the fruiting stage; sepals ± as in the ♂; petals smaller than in the ♂, or 0; staminodes sometimes present; disc hypogynous, annular; ovary 3-locular, ovules 2 per locule; styles 3, free or connate at the base, recurved, bifid
Morphology Reproductive morphology Fruits
Fruit loculicidally dehiscent; endocarp thinly woody
Morphology Reproductive morphology Seeds
Seeds obovoid.

[FZ]

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

Morphology General Habit
Dioecious, rarely monoecious, trees shrubs or perennial herbs.
Morphology General Indumentum
Indumentum simple.
Morphology Leaves
Leaves alternate or subfasciculate, shortly petiolate, stipulate, simple, entire or subentire, penninerved.
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, solitary (in Flora Zambesiaca area), geminate or fasciculate, pedunculate, spicate, racemose or rarely paniculate, few- to many-flowered; flowers 1 per bract.
Morphology Reproductive morphology Flowers
Male flowers: sepals 5(6), imbricate; petals 5, small, or absent; disk glands 5, free, interstaminal, alternating with the sepals, thick; stamens 5, opposite the sepals, filaments free, anther-thecae distinct, introrse, parallel and pendulous at first, later extrorse, divaricate and erect, longitudinally dehiscent; pistillode large, obconic, turbinate or cyathiform, truncate and entire or 3–5-lobed. Female flowers: pedicels patent, elongating and deflexing in fruit; sepals somewhat connate at the base, otherwise ± as in the male; petals smaller than in the male, or absent; staminodes sometimes present; disk hypogynous, annular, crenulate; ovary 3-locular, ovules 2 per locule; styles 3, free or connate at the base, recurved, bifid; stigmas ± smooth.
Morphology Reproductive morphology Fruits
Fruit 3-lobed, dehiscent into bivalved cocci; pericarp thin, separating from the thinly woody endocarp; columella persistent.
Morphology Reproductive morphology Seeds
Seeds ovoid-subglobose to obovoid-pyriform, carunculate; testa thin, striate, shiny; endosperm copious, fleshy; cotyledons greenish.

[FTEA]

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

Morphology General Habit
Dioecious perennial herbs or subshrubs with simple or little-branched stems arising from a woody rhizome or stock
Morphology General Shoots
Long and short shoots present
Morphology General Indumentum
Indumentum simple
Morphology General Buds
Buds sometimes perulate
Morphology Leaves
Leaves alternate, on short shoots subfasciculate, shortly petiolate, stipulate, simple, entire or repand-dentate, penninerved
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, solitary, pedunculate, spicate, racemose or paniculate
Morphology Reproductive morphology Flowers
Flowers bracteate, sessile or pedicellate Male flowers: sepals 5(–6), membranaceous, imbricate; petals 0; disc-glands 5, free, interstaminal, alternating with the sepals, thick; stamens 5, opposite the sepals, filaments free, anther-thecae pendulous, parallel at first, later divaricate, longitudinally dehiscent; pistillode large, turbinate or cyathiform, with the margin ± entire or slightly 3–5-lobate Female flowers: sepals somewhat connate at the base, otherwise ± as in the ♂ flowers; petals 0; disc hypogynous, annular, crenulate; ovary 3-locular, with 2 ovules per locule; styles 3, free, thick, shortly bifid
sex Male
Male flowers: sepals 5(–6), membranaceous, imbricate; petals 0; disc-glands 5, free, interstaminal, alternating with the sepals, thick; stamens 5, opposite the sepals, filaments free, anther-thecae pendulous, parallel at first, later divaricate, longitudinally dehiscent; pistillode large, turbinate or cyathiform, with the margin ± entire or slightly 3–5-lobate
sex Female
Female flowers: sepals somewhat connate at the base, otherwise ± as in the ♂ flowers; petals 0; disc hypogynous, annular, crenulate; ovary 3-locular, with 2 ovules per locule; styles 3, free, thick, shortly bifid
Morphology Reproductive morphology Fruits
Fruit loculicidally dehiscent, leaving a columella; pericarp thin; endocarp thinly woody
Morphology Reproductive morphology Seeds
Seeds pyriform-cypraeiform, lightly striate, shiny.

Native to:

Angola, Cabinda, Cameroon, Comoros, Congo, Equatorial Guinea, Gabon, Ghana, Guinea, Gulf of Guinea Is., Ivory Coast, Kenya, Liberia, Madagascar, Mozambique, Nigeria, Sierra Leone, Somalia, Tanzania, Uganda, Zambia, Zaïre

Thecacoris A.Juss. appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
Thomas, D.W. [7537], Cameroon K000180959 No

First published in Euphorb. Gen.: 12 (1824)

Accepted by

  • Breteler, F.J. (2011). Thecacoris, including Cyathogyne (Phyllanthaceae), in West Africa: Generic delimination, description of a new species, and a synopsis of all West African species Edinburgh Journal of Botany 68: 343-350.
  • 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: 8 (1922).
  • —F.T.A. 6, 1: 658

Flora Zambesiaca

  • Euph. Gen. Tent.: 12, t.1, f.1 (1824).
  • J. Léonard in Bull. Jard. Bot. Belg. 64: 26 (1995).
  • Müller Argoviensis in De Candolle, Prodr. 15, 2: 245 (1866).

Flora of Somalia

  • Flora Somalia, Vol 1, (1993) Author: by M. Thulin [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Euphorb. Gen. Tent.: 12, t. 1, fig. 1 (1824)
  • G.P. 3(1): 286 (1880)
  • Hutch. in F.T.A. 6(1): 658 (1912)
  • Muell. Arg. in DC., Prodr. 15(2): 245 (1866)
  • Pax in E.P. IV. 147 (15): 8 (1922)

  • Flora Zambesiaca

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

  • 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

  • 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