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

25. Ophiorrhiza howii H. S. Lo, Bull. Bot. Res., Harbin. 18: 277. 1998.

宽昭蛇根草 kuan zhao she gen cao

Ophiorrhiza longiflora F. C. How ex H. S. Lo, Bull. Bot. Res., Harbin 10(2): 70. 1990, not Blume (1826).

Herbs, ascending, to ca. 1 m tall; stems terete to somewhat flattened, rather stout, drying purplish brown to black, subglabrous. Leaves in subequal pairs; petiole 1-2 cm, densely pilosulous; blade narrowly ovate, narrowly elliptic, or ovate, 5-9 × 2-3 cm, abaxially usually pilosulous along principal veins, base cuneate, apex acuminate; secondary veins 8-13 pairs; stipules caducous, unknown. Inflorescence cymose, several to many flowered, densely pilosulous; peduncles 1.5-2 cm; axes short, helicoid; bracts absent or minute and caducous. Flowers with biology unknown, on pedicels 1-2 mm. Calyx with hypanthium portion subturbinate and slightly compressed, ca. 1.7 × 2.3 mm, 5-ribbed, mealy puberulent; lobes sublanceolate, ca. 0.5 mm, subglabrous. Corolla white, salverform, puberulent outside; tube 22-24 mm, pilose or glabrous inside; lobes broadly ovate, 3-4 mm, dorsally with horn 1.5-2 mm, apex incurved rostrate. Capsules not seen. Fl. Oct.

● Forests; 1100-1500 m. Yunnan (Maguan).

The protologue described the corolla tubes as pilose inside, but the protologue figure showed the corolla tube to be glabrous inside.


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