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FOC | Family List | FOC Vol. 7 | Menispermaceae | Eleutharrhena

1. Eleutharrhena macrocarpa (Diels) Forman, Kew Bull. 30: 99. 1975.

藤枣 teng zao

Pycnarrhena macrocarpa Diels in Engler, Pflanzenr. 46(IV.94): 52. 1910.

Woody vines. Young stems longitudinally striate, sparsely puberulent, later glabrous. Petiole slender, 2.5-8 cm; leaf blade ovate to broadly ovate, oblong-ovate, or oblong-elliptic, 9.5-22 × 4.5-13 cm, leathery, glabrous on both surfaces, adaxially glossy, base broadly rotund or obtuse, sometimes broadly cuneate, apex acuminate or subcuspidate, lateral veins 5-9 pairs, prominent on both surfaces, especially abaxially, reticulation sparse and inconspicuous. Male inflorescences fasciculate, 1-3-flowered; peduncles 6-10 mm, puberulent. Male flowers: sepals 12, outer 6 ovate, minute, less than 1 mm, puberulent, middle 3 triangular-ovate, 1.5-1.7 mm, slightly puberulent, inner 3 largest, subrotund or broadly ovoid-subrotund, ca. 2.5 mm, glabrous; petals 6, broadly obovate, with lateral margins inflexed and clasping opposite stamen, glabrous; stamens 6, ca. 1.5 mm, free, columnar. Female flowers not seen. Infructescences ramiflorous; peduncles thick, 0.7-2 cm, with 3-6 drupes. Drupes yellow or red, ellipsoidal, 2.5-3 × 1.7-2.5 cm, base with a gynophore up to 1.5 cm. Seeds ellipsoidal, 1.5-1.7 × ca. 1 cm. Fl. May, fr. Oct.

Dense forests; 800-1500 m. S and SE Yunnan [India (Assam)].

An unpublished IUCN list recorded this species as endangered: EN(A1c,2c;B1+2c).


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