Ceropegia arenarioides M.G. Gilbert

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Photo: Bart Wursten
Road 1 near turn off road 3, Gorongosa National Park.

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Synonyms:
Common names:
Frequency:
Status:	Native
Description:	Perennial climber with semisucculent, hairless, twining stems. Leaves somewhat fleshy, ovate, up to 42 mm long, hairless on both surfaces; margin serrulate/denticulate; petiole c. 8 mm long, hairless. Inflorescence extra-axillary, few-flowered, flowers opening in succession; ; peduncle up to 30 mm long; pedicel c. 6 mm long, hairless. Sepals subulate to linear-lanceolate, c.4.5 mm long, hairless. Corolla 49–55 mm long, slightly curved; tube 28–34 mm long, basal chamber double, lower ovoid, 8–8.5 mm long and 3.8–5.5 mm wide, then abruptly expanded into a second subglobose inflation 4.2–6.2 mm wide, gradually narrowed at apex, limb cylindrical, 2.4–3.1 mm wide, widening abruptly to 10–13 mm at mouth, exterior pale cream uniformly covered with purple spots, hairless; sinuses rounded, spreading and gaping; lobes triangular-attenuate, c. 21 mm long, apices converging to form a narrowly conical cage, hairless outside but shortly hairy on the margin, inside white for more than half length, tip dark purplish brown, sparsely stiffly hairy. Follicles and seed not recorded.
Notes:	This species may be more common and widespread than known records suggest due to long term confusion with Ceropegia nilotica. Both species are very similar vegetatively but clearly differ in the flowers of C. arenarioides bearing much longer corolla lobes which extend into a slender, acuminately tapered beak.
Derivation of specific name:
Habitat:	Among bushes in Acacia and mopane bushveld, on reddish soil and hard brown loam.
Altitude range:	300 - 1200 m
Flowering time:
Worldwide distribution:	Mozambique, Zambia, Zimbabwe, Botswana and Namibia.
Mozambique distribution:	N,T,MS
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Content last updated:	Tuesday 6 July 2021
Literature:	Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(2) Pages 147 - 148. Protologue (Includes a picture).

Other sources of information about Ceropegia arenarioides:

Our websites:

Flora of Botswana: Ceropegia arenarioides
Flora of Caprivi: Ceropegia arenarioides
Flora of Zambia: Ceropegia arenarioides
Flora of Zimbabwe: Ceropegia arenarioides

External websites:

African Plants: A Photo Guide (Senckenberg): Ceropegia arenarioides
BHL (Biodiversity Heritage Library): Ceropegia arenarioides
EOL (Encyclopedia of Life): Ceropegia arenarioides
GBIF (Global Biodiversity Information Facility): Ceropegia arenarioides
Google: Web - Images - Scholar
iNaturalist: Ceropegia arenarioides
IPNI (International Plant Names Index): Ceropegia arenarioides
JSTOR Plant Science: Ceropegia arenarioides
Mansfeld World Database of Agricultural and Horticultural Crops: Ceropegia arenarioides
Plants of the World Online: Ceropegia arenarioides
Tropicos: Ceropegia arenarioides
Wikipedia: Ceropegia arenarioides