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This genus is accepted, and its native range is Tropical & S. Africa.
Tacazzea apiculata Oliv.

[FTEA]

Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012

Morphology General Habit
Large lianas or erect shrubs with white latex.
Morphology Stem
Stems woody, bark often verrucose
Morphology Leaves
Leaves mostly opposite, sometimes alternate, rarely whorled, petiolate, interpetiolar ridges with reddish colleters
Morphology Reproductive morphology Inflorescences
Inflorescences terminal and sub-terminal cymes with dichasial and monochasial branches, many-flowered, bracteate
Morphology Reproductive morphology Flowers Calyx
Sepals with ciliate margin, with pairs of colleters at inner bases
Morphology Reproductive morphology Flowers Corolla
Corolla rotate, tube saucer-shaped, lobes ovate or oblong
Morphology Reproductive morphology Flowers Corona
Gynostegial corona absent Corolline corona arising from corolla mouth, coronal feet, staminal filaments and nectaries fused into a wavy annulus, lobes filiform or narrowly ovate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens from inner apex of coronal feet, glabrous.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments free.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers glabrous, pollen in tetrads.
Morphology Reproductive morphology Flowers Nectaries
Interstaminal nectaries lobular, cone-shaped around style
Morphology Reproductive morphology Flowers Gynoecium Style
Style-head broadly ovoid, translators spatula-like
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium exposed above corolla
Morphology Reproductive morphology Fruits
Follicles paired, divergent, cylindrical-ovoid to ovoid.

[FSOM]

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

Morphology General Habit
Large lianas or erect shrubs; latex white
Morphology Leaves
Leaves mostly opposite, sometimes alternate, rarely whorled, petiolate
Morphology Reproductive morphology Inflorescences
Inflorescences terminal and subterminal panicles with many-flowered, dichasial and monochasial branches
Morphology Reproductive morphology Flowers Calyx
Sepals broadly ovate, ciliate
Morphology Reproductive morphology Flowers Corolla
Corolla rotate; tube saucer-shaped, with exserted gynostegium; lobes broadly ovate to oblong
Morphology Reproductive morphology Flowers Corona
Corona-lobes inserted at mouth of corolla, filiform or narrowly ovate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens inserted just below corona-lobes; filaments free, fused to inner base of corona-lobes; anthers glabrous; pollen in tetrads
Morphology Reproductive morphology Flowers Nectaries
Interstaminal nectaries lobular, distinct
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigmatic head broadly ovoid; pollen carriers elliptic. Follicles paired, divergent, cylindrical-ovoid to ovoid
Morphology Reproductive morphology Seeds
Seeds narrowly ovate with tuft of hairs at one end.
Distribution
4–5 species in tropical and southern Africa.

Native to:

Angola, Benin, Botswana, Burkina, Burundi, Cameroon, Caprivi Strip, Central African Repu, Chad, Congo, Ethiopia, Gabon, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, KwaZulu-Natal, Liberia, Malawi, Mali, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Rwanda, Senegal, Sierra Leone, Somalia, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

Tacazzea Decne. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Cruse, A.W. [180A], Zimbabwe 11772.000
Milne-Redhead, E. [5036], Nigeria 23685.000
Onochie, C.F.A. [FHI 40162], Nigeria 48603.000

First published in A.P.de Candolle, Prodr. 8: 492 (1844)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Flora of West Tropical Africa

  • Bullock in Kew Bull. 9: 350 (1954).
  • —F.T.A. 4, 1: 253

Flora of Somalia

  • Flora Somalia, Vol 3, (2006) Author: by J. Venter [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • E. & P. Pf. 4(2): 215 (1895)
  • F.T.A. 4(1): 260 (1902)
  • Fl. Cap. 4(1): 540 (1907)
  • Gen. pl. 2: 745 (1876)
  • K.B. 9: 350 (1954)
  • Prodr. 8: 492 (1844)
  • Prodr. Fl. SW.-Afr. 113: 7 (1967)
  • S. Afr. Journ. Bot. 56: 95 (1990)

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 2021. 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 2021. 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