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FOC | Family List | FOC Vol. 19 | Rubiaceae | Damnacanthus

3. Damnacanthus guangxiensis Y. Z. Ruan, Fl. Reipubl. Popularis Sin. 71(2): 320. 1999.

广西虎刺 guang xi hu ci

Shrubs, height not noted. Branches terete, glabrous, without spines. Petiole ca. 6 mm, glabrous; leaf blade drying thickly leathery, straw-yellow adaxially, olive-green abaxially, lanceolate-linear, 13-22 × 1-2 cm, adaxially glabrous, abaxially sparsely pilosulous, base cuneate, margins entire and flat, apex acute then shortly tapered-acuminate; midrib prominent adaxially; secondary veins 6-9 pairs; stipules caducous or deciduous through fragmentation, interpetiolar, triangular, acute to glandular-fimbriate. Pedicels ca. 2 mm. Calyx glabrous; hypanthium portion cupuliform, ca. 1 mm; limb ca. 1 mm, lobed for ca. 1/2; teeth 4 or 5, narrowly triangular, acuminate. Corolla white, outside glabrous; tube ca. 8 mm, pubescent inside; lobes ovate to triangular, ca. 4 mm. Fruit unknown. Fl. winter-spring.

● Forests on mountains; ca. 1200 m. Guangxi (Lingyun).


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