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

17. Ophiorrhiza fasciculata D. Don, Prodr. Fl. Nepal. 136. 1825.

簇花蛇根草 cu hua she gen cao

Herbs or subshrubs, erect, to 0.5(-2) m tall; stems pilosulous or puberulent to glabrescent. Leaves in subequal pairs; petiole 1-1.5[-5] cm, puberulent; blade drying papery, sometimes darkened adaxially, pale abaxially, elliptic to lanceolate-elliptic, 8-12[-16] × 3-6 cm, glabrous or sparsely strigillose adaxially, abaxially puberulent on veins, base obtuse to cuneate then attenuate, apex acute to caudate-acuminate; secondary veins 10-13 pairs; stipules narrowly triangular, 4-10 mm, puberulent to glabrescent. Inflorescences congested-cymose to subfasciculate, several flowered, densely pilosulous; peduncle 1-8 cm; branched portion 1-2 cm; bracts ligulate-lanceolate, 6-12 mm, persistent. Flowers with biology unknown, subsessile. Calyx densely puberulent to hirtellous; hypanthium compressed cylindrical, 1-1.5 mm; lobes ovate to deltoid, 1-1.2 mm. Corolla white sometimes flushed with pink, drying yellowed, tubular-funnelform, outside puberulent; tube 10-15 mm, inside glabrous; lobes ovate-oblong, 1.5-2.5 mm. Capsules compressed rhombic, 1.5-4.5 × 4-10.5 mm, puberulent or hirtellous. Fr. Aug.

Broad-leaved forests; ca. 1700 m. Xizang (Mêdog) [Bhutan, India, Myanmar, Nepal].

Measurements in brackets are taken from the description of this species by Deb and Mondal (Bull. Bot. Surv. India 39(1-4): 44-47. 1997) and may be expected in Chinese plants.


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