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This genus is accepted, and its native range is NE. & E. Tropical Africa.
A specimen from Kew's Herbarium

[FSOM]

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

Morphology General Habit
Woody climbers; stems twining, bark verrucose; latex white
Morphology Leaves
Leaves opposite or clustered, petiolate; blade with secondary veins divaricate and parallel
Morphology Reproductive morphology Inflorescences
Inflorescences monochasial, or dichasial with two monochasial branches, each bearing up to 10 flowers
Morphology Reproductive morphology Flowers Corolla
Corolla rotate; tube shallow, saucer-shaped, with exserted gynostegium; lobes with glandular swellings at inner bases
Morphology Reproductive morphology Flowers Corona
Corona inserted at corolla mouth, with simple, filiform lobes
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens fused to inner base of corona-lobes, glabrous; filaments filiform; anthers ovate, acute at the apex; pollen in tetrads
Morphology Reproductive morphology Flowers Nectaries
Interstaminal nectaries lobular, distinct
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigmatic head ovoid; pollen translators spathulate
Morphology Reproductive morphology Fruits
Follicles paired, divergent to horizontal, long cylindrical-ovoid, tapering to blunt apex, puberulent and verrucose
Morphology Reproductive morphology Seeds
Seeds with tuft of hairs at one end.
Distribution
Two species in eastern and north-eastern Africa.

[FTEA]

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

Morphology General Habit
Woody climbers with white latex.
Morphology Stem
Stems twining, bark verrucose
Morphology Leaves
Leaves opposite or fascicled, petiolate; blade hairy, secondary veins divaricate and parallel
Morphology Reproductive morphology Inflorescences
Inflorescences terminal on short lateral shoots, or axillary, monochasial or dichasial with two monochasial branches, each branch bearing up to 10 flowers
Morphology Reproductive morphology Flowers Corolla
Corolla tube saucer-shaped; lobes with glandular swellings at inner bases
Morphology Reproductive morphology Flowers Corona
Corolline corona arising at the mouth of the corolla tube; lobes simple, filiform, distinct Gynostegial corona absent
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens from inner bases of coronal feet, glabrous.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments filiform.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers ovate, apex acute, pollen in tetrads
Morphology Reproductive morphology Flowers Nectaries
Interstaminal nectaries lobular, distinct
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium exposed
Morphology Reproductive morphology Fruits
Follicles paired, divergent to horizontal, long cylindricalovoid, tapering to blunt apex, puberulent and verrucose.

Native to:

Ethiopia, Kenya, Somalia, Sudan, Tanzania, Uganda

Buckollia Venter & R.L.Verh. appears in other Kew resources:

First published in S. African J. Bot. 60: 97 (1994)

Accepted by

  • Govaerts, R. (2001). World Checklist of Seed Plants Database in ACCESS E-F: 1-50919.

Literature

Flora of Somalia

  • Flora Somalia, Vol 3, (2006) Author: by J. Venter [updated by M. Thulin 2008]
  • Venter & Verhoeven in S. Afr. J. Bot. 60: 93–98 (1994).

Flora of Tropical East Africa

  • S. Afr. Journ. Bot. 60: 97 (1994)

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

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