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FOC | Family List | FOC Vol. 13 | Passifloraceae | Passiflora

3. Passiflora tonkinensis W. J. de Wilde, Blumea. 20: 241. 1973.

长叶蛇王藤 chang ye she wang teng

Passiflora cochinchinensis Sprengel subsp. glaberrima (Gagnepain) Cusset; P. moluccana Reinwardt ex Blume var. glaberrima (Gagnepain) W. J. de Wilde; P. octandra Gagnepain var. glaberrima Gagnepain.

Herbaceous vines to lianas, ca. 6 m long. Stem terete, glabrous. Leaves spirally arranged; petiole 1-3 cm, with 2 discoid glands 2-8 mm from base of blade; leaf blade lanceolate or elliptic to oblong, 6-10 × 2.5-4(-6) cm, membranous, both surfaces glabrous, laminar nectaries 4-6, base subcordate, apex acute. Inflorescences axillary, (sub)sessile, 1- or 2-flowered, glabrous; bracts linear. Pedicel 5-25 mm, glabrous. Flowers whitish, 3-4.5 cm in diam.; hypanthium 6-9 mm in diam. Sepals green, 1.5-2 cm × ca. 5 mm, glabrous. Petals white, 1.2-1.6 cm × 3-4 mm. Corona in 2 filamentous series; outer series 1-1.6 cm, yellow at base, purple at apices; inner series 1-3 mm, filaments yellow, apices capitate; operculum incurved, green, plicate, 1.5-2 mm tall, membranous; disk purple-brown, ca. 0.5 mm high; androgynophore 5-10 mm tall. Stamens (5 or)6-8, filaments 6-10 mm, connate and enclosing ovary; anthers 3-5 × 1.5-2 mm. Ovary (sub)sessile on androgynophore, ellipsoid, glabrous; styles (3 or)4 or 5, 5-8 mm. Fruit blue at maturity, 1.5-2.5 cm in diam., glabrous.

Scrub in mountain valleys; 100-200 m. SE Yunnan (Hekou) [Laos, Vietnam].


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