| http://www.w3.org/ns/prov#value | - Petiole (0-)1-3 cm, pubescent; leaf blade obovate to suborbicular, 2.5-6 ?? 1-3.5 cm, both surfaces thinly pilose especially on veins, densely covered with cystoliths, secondary veins 4-6 on each side of midvein, base broadly cuneate and decurrent onto petiole, margin coarsely serrate, apex acute.
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