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FOC | Family List | FOC Vol. 16 | Convolvulaceae | Merremia

6. Merremia quinata (R. Brown) van Ooststroom, J. Arnold Arbor. 29: 417. 1948.

指叶山猪菜 zhi ye shan zhu cai

Ipomoea quinata R. Brown, Prodr. 486. 1810; Convolvulus quinatus (R. Brown) Sprengel; I. pentadactylis Choisy.

Herbs twining; axial parts ± hirsute with erect yellowish hairs, or glabrous. Stems slender, to 2 m. Petiole 1-2.5 cm; leaf blade palmately compound; leaflets 5, linear, lanceolate, or oblong-elliptic, 1.5-4.2 cm X 2.5-15 mm, often glabrous, sometimes hirsute along midvein and margin abaxially, base attenuate, margin entire, apex obtuse and mucronulate. Pedicel 3-6(-9) mm. Flowers 1 or 2; peduncle shorter to longer than leaves, glabrous or hirsute basally; bracts ovate-deltate, 3-4 mm, apex acuminate. Sepals elliptic to ovate-oblong, unequal; outer 2 sepals 8-10 mm; inner ones ca. 1.5 cm, glabrous, apex obtuse, mucronulate. Corolla white, campanulate or funnelform, ca. 4 cm. Filaments inserted 6-7 mm above base of corolla. Ovary glabrous. Capsule ovoid, 1-1.3 cm, apex ± acuminate. Seeds oblong, 4-6 mm, pale yellow pubescent.

Open mountain slopes. Guangxi, Hainan, Hong Kong, Taiwan, Yunnan [Indonesia, Myanmar, New Guinea, Philippines, Thailand; N Australia]

Van Ooststroom (Fl. Malesiana, ser. I., 4: 447. 1953) expressed doubt that plants occurring in Myanmar, S China, and southeast Asia are conspecific with those in New Guinea and Australia. We apply the name provisionally, pending consideration of the range of variation in populations throughout the region, and examination of type specimens for the names involved.


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