Didymostigma obtusum (Clarke) W.T. Wang
Didymostigma W.T. Wang Stems ascending to nearly erect, 12–20 cm, pubescentto densely pubescent. Petiole 0.8–3.5 cm; leaf bladeovate, 2–10.5 × 1.4–5(–7) cm, adaxially sparsely pubescent, abaxial surface oftenpurple tinged, base sometimes slightly oblique, broadlycuneate to rounded, margin crenate, apex acute toobtuse. Cymes...