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

37. Crotalaria linifolia Linnaeus f., Suppl. Pl. 322. 1782.

线叶猪屎豆 xian ye zhu shi dou

Herbs, annual or short-lived perennial, erect to ascending, 0.5-1 m tall. Stems terete, densely silky pubescent. Stipules minute, caducous. Leaves simple; petiole short; leaf blade linear to oblong, 2-5 × 0.3-1.5 cm, both surfaces silky pilose, adaxi­ally sometimes only along midvein, base cuneate to rounded, apex acuminate to obtuse and mucronate. Racemes terminal, lax, 10-20 cm, many flowered; bracts lanceolate, 2-3 mm. Pedicel to 2.5 mm; bracteoles inserted at base of calyx, similar to bracts. Calyx 2-lipped, 6-7 mm, deeply divided, densely rusty pilose; abaxial lobes lanceolate; adaxial lobes slightly longer and broader. Corolla yellow with darker veins; standard oblong to suborbicular, 5-7 mm, margin pilose at base and with 2 appendages, apex retuse; wings oblong, 6-7 mm; keel ca. 8 mm, ± sharply angled near base, margins minutely woolly, apex extended into a long straight twisted beak. Legume rhombic to ovoid, 5-6 mm, 8-10-seeded, glabrous; stipe almost absent. Fl. Aug-Oct, fr. Nov-Dec.

Slopes, seashore sandy areas, along trails; 400-2500 m. Guang­dong, Guangxi, Guizhou, Hainan, Hunan, Sichuan, Taiwan, Xizang, Yunnan [India, Japan (Ryukyu Islands), Myanmar, Sri Lanka].

1 Leaf blade oblanceolate to oblong, 5-15 mm wide, base narrow, apex acuminate; legume rhombic.   37a var. linifolia
+ Leaf blade linear to linear-oblong, 3-4 mm wide, base rounded, apex obtuse; legume rhombic to ovoid   37b var. stenophylla

Lower Taxa


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