Petrocosmea oblata Craib
Petrocosmea Oliv. Petiole 0.7–4 cm, puberulent to glabrescent; leaf bladeoblate to orbicular-ovate or nearly orbicular, 0.7–2.8 ×0.9–3.2 cm, sparsely puberulent, base nearly cordate or broadly cuneate, margin repand,apex rounded to truncate; lateral veins 1-flowered; peduncle 3.5–8.5 cm, linear to...