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

5. Leptomischus primuloides Drake, Bull. Mus. Hist. Nat. (Paris). 1: 117. 1895.

报春茜 bao chun qian

Indopolysolenia burmanica Deb & Rout.

Perennial herbs or subshrubs, 10-30 cm tall; stems stout, subterete to quadrangular, pilosulous. Leaves opposite, crowded and rosulate; petiole 0.4-4 cm, pilose; blade drying papery, obovate, broadly obovate, or elliptic, (7-)15-25 × (2-)5-10 cm, adaxially glabrous, abaxially glabrescent except puberulent along principal veins, base cuneate to acute, margins entire, apex acute or obtuse; secondary veins 14-19 pairs; stipules deciduous, elliptic, lanceolate, or ovate, 6-18 mm, pilosulous, acute or acuminate. Inflorescences terminal and/or pseudoaxillary in uppermost axils, capitate to subcapitate, several flowered, glabrescent; peduncle 2.5-12 cm; heads 2-5 cm wide; bracts ovate, 6-14 mm, pilose, acuminate or acute. Flowers subsessile. Calyx unicellular pilosulous; hypanthium portion ellipsoid-obovoid, 1-1.5 mm; limb lobed for ca. 1/2; lobes lanceolate, (1-)2.5(-4) mm, ciliate, acute or acuminate. Corolla funnelform or tubular to inflated, outside pilosulous; tube 16-18(-25) mm, villous in throat; lobes triangular, ca. 2 mm, acute or obtuse. Capsules obovoid, ca. 3 × 4 mm. Fl. early winter.

Forests; [ca. 200 m in Myanmar]. Yunnan (Hekou) [Myanmar, Vietnam].

The measurements above include some from the protologue of Indopolysolenia burmanica, which was placed by Lo (Acta Phytotax. Sin. 31: 275. 1993) in synonymy with Leptomischus primuloides.


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