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FOC | Family List | FOC Vol. 10 | Fabaceae | Crotalaria

21. Crotalaria ferruginea Graham ex Bentham, London J. Bot. 2: 476. 1843.

假地蓝 jia di lan

Crotalaria bodinieri H. Léveillé; C. ferruginea var. pilo­sissima Bentham ex Baker; C. lonchophylla Handel-Mazzetti; C. pilosissima Miquel; C. rufescens Franchet.

Herbs, erect to ascending, 20-60(-120) cm tall. Branches brownish yellow spreading pilose. Stipules lanceolate to trian­gular-lanceolate, 5-8 mm. Leaves simple; leaf blade elliptic, 2-6 × 1-3 cm, both surfaces pilose but abaxially more densely so, base slightly cuneate, apex obtuse to acuminate. Racemes ter­minal, 2-6-flowered; bracts lanceolate, 2-4 mm. Pedicel 3-5 mm; bracteoles inserted at base of calyx tube. Calyx 2-lipped, 1-1.2 cm, parted to base, densely pilose; lobes lanceolate. Co­rolla yellow; standard narrowly elliptic, 8-10 mm; wings ob­long, ca. 8 mm; keel ± as long as wings, narrowed apically from middle and extended into a long twisted beak included in or exserted slightly beyond calyx. Ovary subsessile. Legume ob­long, 2-3 cm, 20-30-seeded, glabrous. Fl. Jun-Oct, fr. Sep-Dec.

Open forests, montane grasslands; 400-2200 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiang­xi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Bangladesh, Bhutan, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Papua New Guinea, Philippines, Sri Lanka, Thailand, Vietnam].


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