Hoya africana Decaisne 1844
Type description:
In De Candolle Prodramus 8 (1844) 639-640. 46. Hoya africana, volubilis, foliis ovatis v. ovato‑oblongis acuminatis basi rotundatis v. subattenuatis utrinque glabris nervo supra ad limbi ortum glandulifero, pedunculatis petiolum vix aequantibus pedicellisque pube brevissima intactili rufescente vestitis, corolla extrorsum glabra, laciniis oblongis obtusis emarginatisve introrsum dense barbatis, coronae fol. rotundatis angulo interiore subnullo stigma tegentibus, folliculis polypterys, alis cristato v. undulato-crispis glabratis. Woody shrub in Senegambia circa Esscan agro Kombo (cl. Heudelot) in Abyssinia (Kotschy n. 566). Pterygocarpus abyssinicus Hoschst. (um it. n.1366 et 1294. (v. s. h. Mus. par.)
Translation: Climbing, leaves ovate or ovate‑oblong acuminate, bases rounded or somewhat attenuate, glabrous on both sides, midrib above at the limb base glandular, peduncles and petiole nearly the same length, pedicels very shortly puberous with reddish hairs, corolla outside glabrous, lobes oblong obtuse emarginate inside densely bearded, leaflets of the corona rounded, interior angle almost missing stigma covering, follicles many‑winged, sometimes crested or undulate‑twisted glabrous; woody shrub at Sengambia near Essean in fields at Kombo (by the most renowned Heudelot, in Abyssincus, Hoschst. rooting in mountains and on near Sabra on steep rugged cliffs (Schumper) in Ethiopia (Kotschy n. 566). Pterygocarpus abyssinicus Hoschst. I have seen it, and its n. 1366 and 1294.( I have seen it in the herbarium of the Paris Museum).
Other literature:
In Linnean Society Journal 39-40 (1909) 217. XVI. Hoya R. Br. 17. H. africana Decne., A. Rich. l. c. 46. d. volubilis in fruticetis 4000-5500’ a. m. l. in valle fluminis Moerebb 4000’ a. m. 28 nov. 1862 fr. T. Schangok folia cocta oleracea. (n. 894 lignum n. 112).
Translation: twining becoming shrubby 4000-5000 feet above sea level. In valleys near the river Moerebb at 4000 feet above sea level 28th November 1862 in flower. Schangok. Leaves similar to oleracea.