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

32. Hedyotis koana R. J. Wang, Acta Phytotax. Sin. 45: 696. 2007.

蕴璋耳草 yun zhang er cao

Herbs, erect, to 40 cm tall; stems 4-angled to terete, glabrous. Leaves sessile; blade drying subleathery, linear, 1.4-4 × 0.1-0.15 cm, glabrous, base cuneate, margins revolute, apex acute; secondary veins not visible; stipules fused to petiole bases, triangular, 1-1.8 mm, glabrescent, with 1-3 bristles 0.5-1 mm. Inflorescences terminal and sometimes in uppermost leaf axils, cymose, 2-12-flowered, glabrous, pedunculate; axes ascending; bracts narrowly lanceolate, 1-5 mm, acute to aristate; pedicels 3-20 mm. Flowers pedicellate, biology unknown. Calyx glabrous; hypanthium ovoid to subglobose, 1-1.5 mm; limb deeply lobed; lobes triangular to lanceolate, 1-1.7 mm, acute to acuminate. Corolla white, tubular, glabrous outside; tube 1.5-2.5 mm, glabrous inside; lobes elliptic-oblong to lanceolate, 0.9-1.2 mm. Fruit capsular, subglobose to ovoid, 1.2-2 × 2-3 mm, glabrous, stiffly papery, loculicidally dehiscent from top; seeds several, angled. Fl. and fr. Jun-Sep.

● Weedy open areas; sea level to 200 m. Fujian, Guangdong, Guangxi, Hainan, Hunan, Jiangxi.


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