Cynoglossum lanceolatum (PROSEA)

Plant Resources of South-East Asia Introduction

List of species

Cynoglossum lanceolatum Forssk.

Protologue: Fl. aegypt.-arab.: 41 (1775).

Cynoglossum micranthum Desf. (1804).

• Vietnam: tro buồn, khuyển thiệt.

Distributed in an extremely large area in Africa and Asia; in South-East Asia, occurring in Burma (Myanmar), Indo-China, northern Thailand, and in western Malesia in Sumatra, Java, Borneo, Sulawesi and the Philippines.

C. lanceolatum is considered diaphoretic and expectorant in southern Africa, and the crushed plant is used there to treat wounds and colic, and the root to treat eye infections and as a vermifuge. In Vietnam, it is considered diuretic.

A biennial or perennial herb up to 100(-150) cm tall, much branched, stems with longer, patent hairs and shorter, antrorse hairs; leaves lanceolate or oblong-lanceolate, basal ones 8-14 cm × 3-3.5 cm, strigose with hispid and pubescent hairs; inflorescence furcate, cymes divaricate, ebracteate; corolla 2-3(-4) mm long, white or pale blue; nutlets ovoid, 1.5-2.5 mm long, covered all over by glochids. C. lanceolatum occurs in hillside meadows, open forest and roadsides, in China up to 2800 m altitude.

120, 247, 732, 1013.

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Ch.B. Lugt & R.H.M.J. Lemmens