方籽栝楼 fang zi gua lou

Stems slender, grooved, puberulent. Petiole 2-4 cm, twisted, striate, puberulent; leaf blade adaxially green, narrowly ovate, 8.5-11.5 × 4-5 cm, papery, abaxially glabrous or puberulent on veins, adaxially glabrous, apex shortly acuminate. Flowers unknown. Fruiting peduncle slender, 3-4 cm, striate, glabrous; fruit orange-yellow or red, ovoid, 6.5-11 × 4-5.5 cm, smooth, glabrous, base rounded or obtuse, apex acute. Seeds deep brown, 4-angled, ca. 1 × 1-1.2 cm, with narrow middle ridge, base concave, apex triangular, 3-loculed; 2 lateral locules broad, turgid and empty. Fr. Nov-Jan of next year.

● Forests; 1300-1600 m. SE Yunnan.