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FOC | Family List | FOC Vol. 12 | Rhamnaceae | Ventilago

5. Ventilago calyculata Tulasne, Ann. Sci. Nat., Bot., sér. 4. 8: 124. 1857.

毛果翼核果 mao guo yi he guo

Shrubs scandent. Young branches glabrous or sparsely pilose, glabrescent, or yellow-brown pubescent; old branches brown, angular. Petiole 5-8 mm, glabrous, sparsely pilose adaxially, or yellow-brown pubescent; leaf blade ovate to elliptic, 5-13 × 3-6 cm, abaxially ± densely pilose when young, glabrescent and finally only pubescent on major veins, adaxially nearly glabrous, lateral veins 5 or 6(-8) pairs, prominent abaxially, rather inconspicuous adaxially, base broadly cuneate or subrounded, lower margin entire, upper margin conspicuously remotely serrate, apex shortly acuminate or acuminate. Flowers numerous, in cymes, terminal or axillary, together in cymose panicles, 10-30 cm; rachis, calyx, and pedicels yellow-brown pilose. Pedicel very short, ca. 1 mm. Sepals ovate-triangular, adaxially medially keeled. Petals spatulate, ca. as long as stamens, apically minutely mucronate. Disk thick, fleshy, 5-lobed, densely ferruginous. Ovary globose, densely pilose, nearly completely immersed in disk; styles deeply 2-cleft. Drupe yellow-green, 4.5-6 cm, 5-6 mm in diam., puberulent, surrounded by persistent calyx tube at base for 1/3-2/5, wing oblong, 1-1.4 cm wide, both surfaces striate, ± puberulent, apex obtuse-rounded; stone 1-loculed, 1-seeded. Fl. Oct-Dec, fr. Dec-Apr of following year.

Forests; middle elevations. W Guangxi, SW Guizhou, S Yunnan [Bhutan, India, Nepal, Thailand, Vietnam].

1 Leaf blade oblong or ovate, upper margin irregularly remotely dentate, middle and lower margins entire; young branches, petioles, and abaxial leaf surface glabrous or sparsely pubescent.   5a var. calyculata
+ Leaf blade ovate-elliptic, margin sparsely serrulate; young branches, petioles, and veins on abaxial leaf surface densely yellow-brown pubescent.   5b var. trichoclada


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