Skip to main content
This species is accepted, and its native range is Kenya to S. 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
Erect perennial herb with a globose tuber 2–3 cm diameter, 2–3 cm below soil surface.
Morphology Stem
Stems one or two, 20–50 cm, pubescent with short curled hairs
Morphology Leaves
Leaves erect or spreading, petiolate or sessile, petiole up to ± 1 cm long; lamina linear, 5.5–11(–19) × 0.2–0.8(–1.2) cm, apex acute, tapering gradually at the base, veins not visible above, inconspicuous or clearly reticulate below, glabrous
Morphology Reproductive morphology Inflorescences
Umbels sessile, terminal or extra axillary with 3–8 flowers at each of the upper 1–6 nodes.
Morphology Reproductive morphology Inflorescences Bracts
Bracts often deciduous, linear, 3–8 mm long, pubescent at least on the margins.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 5–17 mm long, densely pubescent on one side
Morphology Reproductive morphology Flowers Calyx
Calyx lobes ovate to lanceolate, 2–4 × 0.5–1 mm, acute, reflexed by the corolla
Morphology Reproductive morphology Flowers Corolla
Corolla reflexed, globose in bud, lobed almost to the base; lobes ovate, 6–7 × 3–3.5 mm, acute, the underside glabrous or with few scattered reddish hairs towards the tip, upper surface minutely papillate or with white hairs especially near the base of the lobe
Morphology Reproductive morphology Flowers Corona
Corona lobes suberect, reaching from 1/2 to about equalling the height of the column, outer face flattened, ovate or obovate, 2–4 × ± 2 mm, obtuse or rounded at the apex, the inner face with a ± pyramidal swelling ± 1.5 mm long in the upper half
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium ± 4 mm long
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther wings narrowly triangular, not spreading markedly at the base, the column appearing ± cylindrical; appendages ovate, ± 2 × 1 mm, acute, inflexed over the top of the stylar head; corpusculum black, ovoid, ± 0.3 mm long; translator arms geniculate, proximal half winged on lower side, the winged part obovate, 0.4–0.5 × 0.2–0.3 mm, distal part 0.4–0.5 mm long, slender, terete; pollinium oblanceolate,
Ecology
Burnt grassland and degraded Brachystegia woodland; 300–1400 m
Distribution
Flora districts: K4 K6 K7 T8 Range: Angola, Zambia and Mozambique

Native to:

Angola, Kenya, Mozambique, Tanzania, Zambia

Xysmalobium stocksii N.E.Br. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Milne-Redhead, E. [8379], Tanzania 1078.000
Milne-Redhead, E. [8599], Tanzania 1079.000
Milne-Redhead, E. [8599a], Tanzania 1080.000
Milne-Redhead, E. [8599B], Tanzania 1081.000
Faulkner, H. [K.108], Mozambique 4074.000
Graham, R.M. [1773], Kenya 58627.000
Magogo [481], Kenya 58631.000
Stocks, Mozambique 58637.000 holotype
Gossweiler [14187], Angola 58647.000
Stocks, J. [s.n.], Mozambique K000234540 Unknown type material

First published in Bull. Misc. Inform. Kew 1913: 302 (1913)

Accepted by

  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Flora Zambesiaca 7(3): 1-375. Royal Botanic Gardens, Kew.
  • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.

Literature

Kew Backbone Distributions

  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.

Flora of Tropical East Africa

  • K.B. 1913: 302 (1913)
  • U.K.W.F. ed. 2: 176 (1994).

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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