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Piper tricolor

Description from Flora of China

Climbers dioecious. Stems yellowish when dry, 2-2.5 mm thick, clearly finely striated, glabrous. Petiole 1.5-2 cm, sparsely roughly pubescent; leaf blade elliptic or narrowly ovate, rarely ovate, 7-13 × 4-6.5 cm, papery, without evident glands, abaxially strigose, hairs usually ca. 1 mm, adaxially glabrous, base ± rounded, symmetric or nearly so, apex acuminate; veins 7, apical pair arising 0.5-2 cm above base, alternate, reaching leaf apex, others basal; reticulate veins raised; leaf blades toward apex of stem narrowly ovate, 6-11 × 1.5-4.5 cm, base rounded or slightly tapered, usually oblique, apex acuminate. Male spike not seen. Female spikes leaf-opposed, ca. 3.5 cm × 4 mm before anthesis; peduncle 1.5-2.5 cm, glabrous; rachis pubescent, bracts suborbicular, stalk shortly pubescent. ca. 1.6 mm in diam., when dry with black center (ca. 1 mm in diam.) surrounded by thick, narrow, white band and thinner, pale yellow margin. Ovary ovoid, distinct, glabrous; stigmas 4 or 5, very short and reflexed. Drupe not seen.

* Yunnan


 

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