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

[FTEA]

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

Morphology General Habit
Climber with white latex.
Morphology Stem
Stems twining, pubescent
Morphology Leaves
Leaves opposite, petiolate, interpetiolar stipules forming a swollen ridge with dentate margin; blade with veins patent in lower half of blade, divaricate in upper half
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, lax
Morphology Reproductive morphology Flowers Corolla
Corolla tube reflexed, lobes outside velutinous, inside glabrous, green to yellowishgreen
Morphology Reproductive morphology Flowers Corona
Corolline corona annular on corolla inversion, coronal feet massive Gynostegial corona absent
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Staminal filaments fused to coronal feet, pollen in tetrads
Morphology Reproductive morphology Flowers Nectaries
Interstaminal nectaries lobular, fused into an annulus with coronal feet
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium exposed
Morphology Reproductive morphology Fruits
Follicles paired, very narrowly oblong-ovoid.

Native to:

Kenya, Tanzania

Baseonema Schltr. & Rendle appears in other Kew resources:

First published in J. Bot. 34: 97 (1896)

Accepted by

  • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.

Literature

Flora of Tropical East Africa

  • F.T.A. 4(1): 259 (1902)
  • J.B. 34: 97 (1896)
  • K.B. 8: 64 (1953)
  • Thonner, Flowering Plants of Africa: 442 (1915)
  • Venter & R.L. S.Afr. J. Bot. 75: 445–455 (2009)

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