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FOC | Family List | FOC Vol. 17 | Verbenaceae | Premna

16. Premna fulva Craib, Bull. Misc. Inform. Kew. 1911: 442. 1911.

黄毛豆腐柴 huang mao dou fu chai

Premna fortunati Dop; P. longipila P'ei.

Shrubs or trees, sometimes climbing. Branchlets yellow villous when young, subglabrescent. Petiole 1.5-5.5 cm; leaf blade ovate-lanceolate, elliptic, oblong-ovate, ovate, or subrounded, 4-15 X 3-10 cm, papery, abaxially densely tomentose, adaxially yellow villous especially on veins, base cuneate and oblique, subrounded, or subcordate, margin entire, repand, or serrate, apex acuminate, acute, or rarely subrounded to emarginate; veins 5-7 pairs, abaxially elevated. Inflorescences 2.5-6(-10) X 4-9(-17) cm; branches 5 or 6 pairs, spreading; bracts linear to rarely linear-lanceolate, densely pubescent. CalyX 2-2.5 mm, slightly 2-lipped, 5-dentate, outside pubescent. Corolla greenish white, 4-5 mm, tube ca. 2 mm, slightly 2-lipped, lower lip 3-lobed, upper lip rounded to emarginate, throat pilose, outside puberulent to subglabrous. Stamens as long as style; anthers brown. Ovary apically sparsely pubescent. Fruit black, ovate to globose, 3-5(-6) mm in diam., tuberculate.

Mixed evergreen forests; 500-1200 m. SW Guangxi, S Guizhou, S Yunnan [Laos, Thailand, Vietnam]

Allied to Premna crassa and P. flavescens but differs in having young branchlets, petioles, and leaves yellow villous with long usually spreading hairs.


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