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This genus is accepted, and its native range is NE. & E. Tropical Africa to SW. Arabian Peninsula.
Edithcolea grandis

[FSOM]

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

Morphology General Habit
Succulent herbs
Morphology Stem
Stems creeping, branching profusely, not articulated, rooting adventitiously and forming large mats, (4–)5- angled with a spiral twist, the angles with stout, conical, acutely hard-tipped teeth; latex clear
Morphology Leaves
Leaves obsolete
Morphology Reproductive morphology Flowers
Flowers single or in pairs from near the tips of the stems, developing successively
Morphology Reproductive morphology Flowers Corolla
Corolla large to very large, rotate with a very small tube, a broad limb and recurved triangular lobes
Morphology Reproductive morphology Flowers Corona
Corona gynostegial, enclosed within corolla-tube; outer lobes ± saccate; inner lobes erect with swollen tips
Morphology Reproductive morphology Fruits
Follicles tapering at both ends, somewhat flattened and elliptical in section
Morphology Reproductive morphology Seeds
Seeds with a tuft of hairs at one end.
Distribution
A single variable species occurring in eastern and north-eastern tropical Africa, Socotra and Yemen.

[FTEA]

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

Morphology General Habit
Small, creeping stem-succulents.
Morphology General Exudate
Latex clear or at most cloudy
Morphology Stem
Stems cylindrical, roundly 4–5-angled, with conical tubercles
Morphology Leaves
Leaf rudimentary; stipules reduced to a few trichomes
Morphology Reproductive morphology Inflorescences
Inflorescences near tip of stems, 1-(rarely 2–)flowered.
Morphology Reproductive morphology Flowers Pedicel
Pedicels short, thickish
Morphology Reproductive morphology Flowers Corolla
Corolla rotate, fused for almost 3/4 of length, fleshy; tube with small annulus encircling gynostegium and corona in total
Morphology Reproductive morphology Flowers Corona
Gynostegial corona in 2 series: “outer” corona with 5 free staminal and 5 interstaminal parts fused basally to a ring-like structure, rotate; interstaminal corona with emarginate-dentate margin; “inner” staminal corona lobes connivent-erect Corolline corona absent
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther wings basally forming a distinct mouth
Morphology Reproductive morphology Flowers Pollinia
Pollinia ovoid
Morphology Reproductive morphology Fruits
Mericarps two, fusiform, winged.
Note
Monotypic genus closely related to Monolluma.

Native to:

Djibouti, Ethiopia, Kenya, Socotra, Somalia, Tanzania, Uganda, Yemen

Edithcolea N.E.Br. appears in other Kew resources:

First published in Bull. Misc. Inform. Kew 1895: 220 (1895)

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. Lavranos [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • K.B. 1895: 220 (1895)

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