Rhynchoglossum obliquum Bl
Rhynchoglossum Blume Annuals, not rhizomatous. Stems 18–100 cm, glabrousto sparsely puberulent. Petiole 0.5–1.5(–3.5) cm; leafblade oblique, 1 side elliptic, other side ovate, 4–12 ×2–6 cm, adaxially glabrous, sometimes puberulent, abaxially glabrous, base cuneate to narrowly cordate on smaller side,cordate on...