腺柄西番莲 xian bing xi fan lian

Passiflora acerifolia Chamisso & Schlechtendal; P. aspera Sessé y Lacasta & Mociño; P. scabra Sessé y Lacasta & Mociño.

Herbaceous vines. Stem angulate, striate, hispid. Stipules suborbicular to reniform, 1-1.3 × 1.7-2 cm; petiole 2.5-6 cm, with 2 stipitate glands; leaf blade 7-12 × 7.5-15 cm, membranous, hispidulous, 3- or 5-lobed, lobes ovate, base deeply cordate, margin dentate, apex acute. Inflorescence reduced to 1 or 2 flowers; bracts 3, ovate-oblong, lacerate, placed at or slightly above middle. Flowers white, with violet purple center, 3-5 cm in diam. Sepals oblong-lanceolate, 1.8-2.7 × 1-1.5 cm, obtuse, awned. Petals linear-lanceolate, 8-9 × 4-5 mm, apex obtuse. Corona uniseriate, ca. 1.8 cm, base violet-purple, apex white; operculum incurved, white, plicate; limen annular; androgynophore ca. 9 mm tall. Ovary ovoid, densely tomentose. Fruit bluish black, subglobose, ca. 3.5 × 3 cm; aril bright orange. Seeds brown to black, ca. 6 × 4 mm, reticulate. 2n = 12.

Naturalized weed, grassy slopes on limestone hills. SW Yunnan (Menglian) [native to Central and South America (Mexico to Peru)].