Plants photographed on Kyffhäuser
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Raphionacme namibiana Venter & R.L.Verh.

Raphionacme namibiana


Family: Apocynaceae
Full name: Raphionacme namibiana Venter & R.L.Verh.
Location: Kyffhäuser (2416AD + 2416CB)
ID status: Fairly certain
Afrikaans common name(s): -
English common name(s): -
Synonym(s): -
Status: Native
Description: Clear latex.

Erect herb of up to 0.1 m high. Tuber ovoid to narrowly ovoid, 0.1–0.5×0.1–0.2 m. Aerial stems solitary or clustered, erect, purplish, glabrous, branching opposite and lateral. Leaves preading, petiolate; petiole 1–5 mm long; blade 40–150× 10–30 mm, narrowly ovate, grey–green, puberulous becoming glabrous, margin wavy, secondary veins arching and 5–6 to a side, pex acute, base cuneate to obtuse. Inflorescences terminal, few-flowered, puberulous, peduncles 1–2 mm long, pedicels 6–8 mm long; bracts 2–3 mm long, ovate, margins fringed, apex mucronate. Sepals 5×1.5 mm, triangular to ovate, puberulous, apex attenuate. Corolla tube 10–11 mm long, campanulate, outside slightly puberulous, inside glabrous, deep green; lobes spreading, 10–15×3 mm, obovate to oblong–ovate, pinkish-purple with ovate yellow patch at base, glabrous, apex obtuse. Corona pinkish-purple, glabrous; coronal feet fleshy, laterally curled–dilated, free; lobe 6–7 mm long, sickleshaped, curving outwards. Stamens borne from inner base of coronal feet; filaments 2 mm long, filiform; anthers 5×3 mm, narrowly ovate; slits in upper 2 mm, basal 3 mm thickened into 2 callocities. Ovaries 2 mm long, style 6 mm long, terete; stylehead 7 mm long, narrowly oblong–ovoid, pale pink, apex bifid; translators ±7 mm long, spoon narrowly elliptic. Gynostegium elevated above corolla mouth. Follicles usually solitary, pendulous, 40–60×20 mm, stout, keel-shaped, dark brown, glabrous, apex acute. Seeds 15×4 mm, flatly ovoid, ends acute; with a ring of 10 mm long, copper-tinged hairs along seed edge. (from "A taxonomic revision of Raphionacme" by HJT Venter, South African Journal of Botany, 75 (2009). p. 292–350)
Link(s) African Plant Database
JSTOR Plant Science
Kew Herbarium Catalogue
BGBM Berlin-Dahlem - Virtual Herbarium
Züricher Herbarien
iNaturalist (Namibia / Alex Dreyer)
iNaturalist (Namibia)
iNaturalist (southern Africa)
Flora of Zimbabwe
Fleurs de notre Terre - Galerie Namibie
Tree Atlas of Namibia
Photographer: AA Dreyer
Date of photograph: 03 Mar 2009
Camera make: Canon
Camera model: PowerShot A700
Lens aperture: f/4.0
Shutter speed: 1/100 s
ISO speed: -
Content last updated: 18 Apr 2024

Note: The identification of some of the plants on this website is not 100% certain. Any comments will be highly appreciated. I would also be willing to supply higher resolution images upon request. Please contact me at the e-mail address given below.

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Last updated 18 Apr 2024

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