Description:
|
Perennial hairless herb, up to 50 cm high, growing from a spindle-shaped tuberous taproot, up to 25 cm long. Stems up to 50 cm long, erect or sub-erect, branched, becoming violet when older. Leaves opposite, oblong-ovate, up to 6 × 3 cm, dark green above, paler below, veining translucent; margin violet; petiole 2-10 mm long, violet. Flowers in axillary and terminal, few-flowered heads. Sepals brownish-violet. Corolla lobes spreading, obovate-oblong, c. 10 × 5 mm, pale greenish-violet outside, whitish-violet inside. Corona whitish-violet, apically lobed. Fruit normally a single erect follicle, very narrowly cylindric, 18-27 cm long, pointed. |
Literature:
|
Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Apocynaceae (Part 2) Flora Zambesiaca 7(2) Pages 47 - 48.
Venter, H.J.T. (2009). A Taxonomic revision of Raphionacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75(2) Pages 330 - 333.
|