地角儿苗Oxytropis bicolor Bunge
地角儿苗Oxytropis bicolor Bunge
132. 地角儿苗（救荒本草）二色棘豆（中国主要植物图说·豆科），鸡咀咀（陕西绥德），猫爪花（河北磁县），地丁（陕西延安），人头草（中国主要植物图说·豆科）
Oxytropis bicolor Bunge in Mem. Acad. Sci. St. Petersb. 2: 91. 1833 et id. op. cit. ser. 7. 22 (1): 150. 1874; E. Pet. -Stib. in Acta Hort. Gothob. 12: 80. 1937; 中国主要植物图说·豆科429. 图423. 1955; 中国高等植物图鉴3: 414. 图2591. 1972; 内蒙古植物志3: 234. 图版119. 图1-5. 1977; 秦岭植物志1 (3): 64. 1981——O. uratensis Franch. in Nouv. Arch. Mus. Paris. ser. 2. 5: 243. 1883.——O. angustifolia Ulbr. in Bot. Jahrb. 36 (Beibl. 82): 67. 1905.
《Flora of China》 Vol. 10 (2010)
Oxytropis bicolor Bunge Mém. Acad. Imp. Sci. St.-Péters-bourg Divers Savans. 2: 91. 1835.
地角儿苗 di jiao er miao
Oxytropis angustifolia Ulbrich; O. bicolor f. luteola (C. W. Chang) X. Y. Zhu & H. Ohashi; O. bicolor var. luteola C. W. Chang.
Herbs, 5-20 cm tall, acaulescent, from a simple or multi-headed caudex, with appressed yellowish or glandular tri-chomes. Stipules narrowly triangular, ca. 1.8 × 0.3 cm, mem-branous, villous, basally connate. Leaves 3-20 cm; rachis with glands; leaflets at least some verticillate, in 3-10 whorls per leaf or with blades arranged on opposite sides of rachis; leaflet blades linear, ovate, or triangular, 3-25 × 1-5 mm. Racemes dense to lax, (7-)10-25-flowered; peduncle 4-20 cm, mostly shorter than leaves, rather densely whitish villous; bracts tri-angular, 3-10 × 1-3 mm, whitish villous. Calyx cylindric, (10-)12-17 × 2-4 mm, with whitish and blackish trichomes; lobes subulate to triangular, (2-)3.5-7 × ca. 0.5 mm. Corolla bluish purple, purple, dark purple, reddish purple, pink, red, blue, purplish yellow, or pale yellow; standard 1.4-2.3 cm, lamina elliptic, apex emarginate; wings (1.2-)1.4-1.6(-2) cm, lamina obliquely obovate, apex emarginate to rounded; keel 1-1.4(-1.6) cm, beak (1.5-)2-2.5 mm. Legume sessile, ovoid-oblong, 1.7-2.4 × 0.4-0.5 cm, inflated, leathery, villous, septum ca. 1.5 mm wide. Fl. Apr-Jul, fr. Jun-Aug.
Hillsides, weedy slopes, scrub, field margins, grasslands, grass-land margins, dry places, riverbanks, Salix scrub, roadsides, sandy places, floodplains, loess areas, S-facing slopes at base of hills, gravelly slopes and sandy sites in alpine areas; 400-2700 m. Gansu, Hebei, Henan, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi [Mongolia].
别名：二角棘豆;老婆脚指甲;人头草;阿拉格-奥日图哲;二色棘豆;猫爪花;鸡咀咀;红花棘豆;地丁;
科名：豆科 Leguminosae
属名：棘豆属 Oxytropis
132. 地角儿苗（救荒本草）二色棘豆（中国主要植物图说·豆科），鸡咀咀（陕西绥德），猫爪花（河北磁县），地丁（陕西延安），人头草（中国主要植物图说·豆科）
Oxytropis bicolor Bunge in Mem. Acad. Sci. St. Petersb. 2: 91. 1833 et id. op. cit. ser. 7. 22 (1): 150. 1874; E. Pet. -Stib. in Acta Hort. Gothob. 12: 80. 1937; 中国主要植物图说·豆科429. 图423. 1955; 中国高等植物图鉴3: 414. 图2591. 1972; 内蒙古植物志3: 234. 图版119. 图1-5. 1977; 秦岭植物志1 (3): 64. 1981——O. uratensis Franch. in Nouv. Arch. Mus. Paris. ser. 2. 5: 243. 1883.——O. angustifolia Ulbr. in Bot. Jahrb. 36 (Beibl. 82): 67. 1905.
《Flora of China》 Vol. 10 (2010)
Oxytropis bicolor Bunge Mém. Acad. Imp. Sci. St.-Péters-bourg Divers Savans. 2: 91. 1835.
地角儿苗 di jiao er miao
Oxytropis angustifolia Ulbrich; O. bicolor f. luteola (C. W. Chang) X. Y. Zhu & H. Ohashi; O. bicolor var. luteola C. W. Chang.
Herbs, 5-20 cm tall, acaulescent, from a simple or multi-headed caudex, with appressed yellowish or glandular tri-chomes. Stipules narrowly triangular, ca. 1.8 × 0.3 cm, mem-branous, villous, basally connate. Leaves 3-20 cm; rachis with glands; leaflets at least some verticillate, in 3-10 whorls per leaf or with blades arranged on opposite sides of rachis; leaflet blades linear, ovate, or triangular, 3-25 × 1-5 mm. Racemes dense to lax, (7-)10-25-flowered; peduncle 4-20 cm, mostly shorter than leaves, rather densely whitish villous; bracts tri-angular, 3-10 × 1-3 mm, whitish villous. Calyx cylindric, (10-)12-17 × 2-4 mm, with whitish and blackish trichomes; lobes subulate to triangular, (2-)3.5-7 × ca. 0.5 mm. Corolla bluish purple, purple, dark purple, reddish purple, pink, red, blue, purplish yellow, or pale yellow; standard 1.4-2.3 cm, lamina elliptic, apex emarginate; wings (1.2-)1.4-1.6(-2) cm, lamina obliquely obovate, apex emarginate to rounded; keel 1-1.4(-1.6) cm, beak (1.5-)2-2.5 mm. Legume sessile, ovoid-oblong, 1.7-2.4 × 0.4-0.5 cm, inflated, leathery, villous, septum ca. 1.5 mm wide. Fl. Apr-Jul, fr. Jun-Aug.
Hillsides, weedy slopes, scrub, field margins, grasslands, grass-land margins, dry places, riverbanks, Salix scrub, roadsides, sandy places, floodplains, loess areas, S-facing slopes at base of hills, gravelly slopes and sandy sites in alpine areas; 400-2700 m. Gansu, Hebei, Henan, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi [Mongolia].