Rounded shrub, 0.5-1 m tall, lignotuberous. Branchlets villous, hirsute and tomentose with fading red-brown hairs at flowering. Leaves of similar shape throughout, very broadly ovate to cordate, patent to decurved, folded adaxially almost in half along midrib (with curved sides), at times overlapping and obscuring stem, 3-7.5 cm long, 30-70 mm wide when spread open, sharply crenate-denticulate, acuminate, grey-green. Inflorescences axillary with 15-18 flowers; pedicels 2.7-3 mm long, glabrous. Perianth creamy white, rarely pale pink. Pistil 24-28 mm long; gland present. Fruit solitary, obliquely ovate to elliptic, 2-2.5 cm long, 1-1.2 cm wide. Seed obliquely elliptic to obovate, indented at base, 18-20 mm long; wing extending narrowly down one side of body only, blackish brown throughout.
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