Skip to main content
This species is accepted, and its native range is Somalia to N. Mozambique, W. Indian Ocean.
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
Woody herb or shrub, prostrate or twining to 2 m.
Morphology Stem
Stems glabrous, pubescent along one line with curved white hairs or occasionally pubescent all round
Morphology Leaves
Leaves somewhat fleshy, the petiole (2–)4–8(–13) mm long, pubescent along the upper surface; leaf-blade oblong or elliptic to ovate or occasionally rhomboid, 10–40(–55) × 4–15(–25) mm, apex acute, obtuse or rounded, commonly with a short apiculus, base generally acute, but occasionally obtuse or rounded, margins flat or revolute, glabrous or pubescent; lateral veins generally in two pairs beneath, forming an acute angle with the midrib and ending almost parallel with the margin
Morphology Reproductive morphology Inflorescences
Inflorescences axillary, 1–4(–6)-flowered, umbelliform, glabrous to densely pubescent.
Morphology Reproductive morphology Inflorescences Peduncles
Peduncles to 7 mm, or absent.
Morphology Reproductive morphology Inflorescences Bracts
Bracts subulate, 0.5–1 mm.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 2–6 mm.
Morphology Reproductive morphology Flowers Calyx
Sepals ovate, acute, glabrous or pubescent, hyaline, at least at the margin
Morphology Reproductive morphology Flowers Corolla
Corolla white or cream, 4–8 mm long, glabrous outside; tube campanulate, ± 2 mm, enclosing the staminal column, sparsely pubescent within; lobes contorted, 2–6 mm, glabrous, tapering gradually to a blunt, slightly offset apex, with small coronal pockets formed at the sinus of 2 lobes within the tube
Morphology Reproductive morphology Flowers Androecium Stamens
Staminal column ± 1 mm, forming the base of a narrow cone continued upward by the stylar head appendage
Morphology Reproductive morphology Flowers Corona
Gynostegial corona inconspicuous, formed of 5 triangular ridges barely projecting from the lower half of each anther and linked by minute pockets at the base of the column, alternating with the anthers
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anther appendages white, ovate, acute and erect-connivent around the base of the apical part of the style; pollen carriers dark reddish brown, ± 0.25 mm.
Morphology Reproductive morphology Flowers Pollinia
Pollinia ovoid, slightly smaller than the carrier
Morphology Reproductive morphology Flowers Gynoecium Style
Stylar head projecting beyond the staminal column as a subulate beak, ± 2 mm long, sub-entire or deeply bifid.
Morphology Reproductive morphology Fruits
Follicles reddish brown, 40–60 mm long, ± 10 mm wide, usually only one of the pair developing
Morphology Reproductive morphology Seeds
Seeds reddish brown, ± 4 × 1.5 mm, crowned with an ivory plume of hairs
Figures
Fig 113, p 465
Ecology
Bare ground or coral thickets on sand dunes or coral rock near the coast; sea level to 100 m
Note
A form of this species with larger corolla, a more shrubby habit and more fleshy leaves occurs around Lamu and in southern Somalia.
Distribution
Range: Somalia, Mozambique, Madagascar and the Mascarenes Flora districts: K7 T3 T6 T8 Z P

Native to:

Aldabra, Comoros, Kenya, Madagascar, Mozambique, Somalia, Tanzania

Vincetoxicum cernuum (Decne.) Meve & Liede appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jun 1, 1955 Commerson [s.n.], Madagascar Pleurostelma cernuum K000234415
Jun 1, 1955 Mozambique Pleurostelma cernuum K000234416 Unknown type material
Jun 1, 1955 Mozambique Pleurostelma cernuum K000234417 Unknown type material
Greenway, P.J. [9418], Kenya Pleurostelma cernuum 5128.000
Faulkner, H. [1625], Tanzania Pleurostelma cernuum 5361.000
Drummond, R.B. [3658], Tanzania Microstephanus cernuus 5359.000

First published in Phytotaxa 369: 137 (2018)

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.
  • Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Flora Zambesiaca 7(3): 1-375. Royal Botanic Gardens, Kew.

Literature

Kew Backbone Distributions

  • Barthelat, F. (2019). La flore illustrée de Mayotte: 1-687. Biotope éditions.
  • Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
  • Thulin, M. (ed.) (2006). Flora of Somalia 3: 1-626. The Royal Botanic Gardens, Kew.

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