皱籽栝楼 zhou zi gua lou

Stem grooved, densely villous. Petiole 3.5-5.5 cm, densely villous; leaf blade suborbicular, 10-15 cm, papery, 3-5-lobed up to middle; lobes ovate or obovate-elliptic, both surfaces pubescent, margin triangular-denticulate, apex acuminate. Male racemes 3-6 cm, densely brown villous, 3-5-flowered at apex; bracts ovate, 2.5-3.5 × 2-3 cm, cucullate, apex acuminate; calyx tube ca. 2.5 cm; segments ovate, ca. 15 mm, margin dentate; corolla red. Female flowers solitary; calyx tube cylindric, ca. 3 cm; segments linear, pubescent; ovary oblong, ca. 1.5 × 0.5 cm. Fruiting peduncle ca. 2 cm; fruit orange-yellow, ovoid, 8-9.5 × 5-6 cm, attenuate at apex. Seeds gray-green, ovate-oblong, ca. 1.5 × 0.7 cm, both ends truncate.

● Thickets. SE and SW Yunnan.