Ceropegia leptotes M.G. Gilbert

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Habit
Wooded rocky outcrop
Shiwa Ngandu Distr.
Feb 2023
Photo: Nick Wightman

Flower
Wooded rocky outcrop
Shiwa Ngandu Distr.
Feb 2023
Photo: Nick Wightman

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Synonyms:
Common names:
Frequency:	Rare
Status:	Native
Description:	Herbaceous perennial growing from a globose tuber, to 1 cm diameter. Stem twining, unbranched, to 30 cm long, < 0.5 mm thick. Leaves of two types: basal leaves with petiole 2–6 mm long, margins puberulent, leaf blade ovate to suborbicular, 12–18 x 6–14 mm; upper leaves progressively smaller, base tapering to cuneate, margin entire, apex acute to obtuse, lower surface very sparsely puberulent on major veins, otherwise glabrous, upper surface and margins shortly pubescent. Inflorescence extra-axillary, sessile, cyme 1-flowered. Pedicel 7–8 mm long, slender.Sepals lanceolate, c.1.7 x 0.5 mm wide, adpressed to corolla, midrib puberulent. Corolla c.10 mm, straight or slightly bent above basal inflation; tube 7–8 mm long, basal chamber subglobose, c.2 mm long, 2.5 mm wide, ± abruptly narrowed at apex, limb cylindrical, c.1 mm wide, limb widening gradually to 2 mm wide at mouth; exterior unmarked, both surfaces glabrous, interior with scattered darker spots, sinuses obtuse, narrowly auriculate; lobes 1.8–2 mm long, revolute towards apex, apices connate to form broadly ovoid to cylindrical cage,, minutely velvety papillose, with very prominent purple cilia to 7 mm long. Corona apparently sessile; outer lobes forming shallow pockets, spreading, rounded, entire, lower than anthers, pale, glabrous; inner lobes erect, narrowly linguiform to spathulate, c.1.1 mm long, dark, glabrous. Follicles and seed not known.
Type location:	Zambia
Notes:
Derivation of specific name:	leptotes : slender, thin, narrow
Habitat:	Twining up grasses growing in crevices of large rocks on mountain sides.
Altitude range:	1500 m (approx)
Flowering time:	Jan - May
Worldwide distribution:	Only known from the type collection in northern Zambia
Zambian distribution (Flora Zambesiaca):	N
Zambian distribution (Provinces):	Mc
Growth form(s):	Perennial.
Endemic status:	Endemic
Red data list status:	Endangered
Insects associated with this species:
Spot characters:	Display spot characters for this species
Content last updated:	Tuesday 14 March 2023
Literature:	Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(2) Page 133. Protologue (Includes a picture).

Other sources of information about Ceropegia leptotes:

External websites:

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