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FOC | Family List | FOC Vol. 17 | Solanaceae | Nicotiana

2. Nicotiana rustica Linnaeus, Sp. Pl. 1: 180. 1753.

黄花烟草 huang hua yan cao

Herbs annual, 40-60(-120) cm tall, with viscid, glandular hairs. Petiole 5-15 cm; leaf blade ovate, oblong, or lanceolate, 10-30 cm, membranous, glandular hairy, base cordate or rounded. Inflorescences many-flowered, compact to lax panicles. Pedicel 3-7 mm. Calyx cup-shaped, 7-12 mm; lobes deltate, unequal. Corolla greenish yellow, tubular; tube 1.2-2 cm; limb ca. 4 mm in diam.; lobes short, obtuse, apiculate. Stamens unequal. Capsules subglobose, 1-1.6 cm. Seeds brown, oblong, ca. 1 mm. Fl. Jul-Aug.

Cultivated in Gansu, Guangdong, Guizhou, Qinghai, Shanxi, Sichuan, Xinjiang, Yunnan [native to South America]

Used for tobacco and as an insecticide.


 

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