太白山黄耆Astragalus taipaishanensis Y. C. Ho
太白山黄耆Astragalus taipaishanensis Y. C. Ho
74. 太白山黄耆（植物研究室汇刊）图版39：8-16
Astragalus taipaishanensis Y. C. Ho et S. B. Ho in Bull. Bot. Lab. N. -E. For. Inst. 8 (8): 63. f. 6. 1980; 秦岭植物志 1 (3): 60. 445. 图46. 1981.
多年生草本。根粗壮，直伸，颈部常具数个分叉。茎直立或上升，高20-40厘米，有条棱，被白色柔毛。羽状复叶有11-19片小叶，长3-8厘米；叶柄长0.5-1.5厘米；托叶离生，近膜质，卵状披针形或披针形，长5-10毫米，先端尖，下面散生白色柔毛或近无毛；小叶长圆形或卵形，长5-20毫米，宽2-8毫米，先端钝或微凹，基部近圆形，上面绿色，近无毛，下面淡绿色，被白色伏贴柔毛，具短小叶柄。总状花序生7-10花，稍稀疏；总花梗通常较叶为短；苞片膜质，卵状披针形或披针形，长2-5毫米，背面被白色或混生黑色柔毛；花梗长2-5毫米，连同花序轴被黑色混生白色伏贴柔毛；花萼钟状，长5-6毫米，被黑毛混生白色伏贴柔毛，萼齿短，三角状披针形，长1-2毫米，毛较密；花冠紫红色，旗瓣倒卵形，长约12毫米，先端深凹，基部渐狭，翼瓣较旗瓣稍短，瓣片长圆形，基部具短耳，瓣柄长约6毫米，龙骨瓣长约9毫米，瓣片半卵形，具短耳及长约5毫米的瓣柄；子房假2室，披针形，无毛，具不明显的柄。荚果膨胀，卵形，先端具尖头，长10-12毫米，宽6-7毫米，无毛；种子4颗，肾形，暗褐色，长约2毫米。花期6-7月，果期7-9月。
产陕西太白山（模式标本产地）。生于海拔2000-3300米的山坡路旁及林下。
《Flora of China》 Vol. 10 (2010)
120. Astragalus taipaishanensis Y. C. Ho & S. B. Ho, Bull. Bot. Lab. N. E. Forest. Inst., Harbin. 1980(8): 63. 1980.
太白山黄耆 tai bai shan huang qi
Plants 20-40 cm tall, loosely hairy. Stems ascending to erect, with appressed to subappressed white hairs 0.3-0.8(-1) mm. Leaves 3-9 cm; stipules 5-10 mm, sparsely hairy to sub-glabrous, ciliate; petiole 0.5-1.5 cm, with rachis hairy like stem; leaflets in 5-9 pairs, oblong to narrowly ovate, 5-20 × 2-8 mm, abaxially especially at midrib loosely covered with subap-pressed white hairs 0.2-0.5 mm, adaxially glabrous or more rarely with scattered hairs only, apex obtuse to retuse. Racemes loosely 7-12-flowered; peduncle 5-7 cm, hairy like stem; bracts membranous, narrowly triangular, 2-5 mm, white and black hairy. Calyx 5-6 mm, loosely, toward teeth more densely, covered with subappressed, predominantly black hairs 0.5-0.8 mm; teeth narrowly triangular, all close together at dorsal side, 0.5-2 mm. Petals violet; standard obovate, 12-14 × ca. 6 mm; wings 10-13 mm; keel 9-11 mm. Legumes subsessile, ovoid to ellipsoid, 10-12 mm, 5-6 mm high and wide, keeled ventrally, grooved dorsally, acuminate, 2-locular; valves glabrous.● 2400-2900 m. Gansu, Shaanxi.
别名：太白山黄芪;
科名：豆科 Leguminosae
属名：黄耆属 Astragalus
74. 太白山黄耆（植物研究室汇刊）图版39：8-16
Astragalus taipaishanensis Y. C. Ho et S. B. Ho in Bull. Bot. Lab. N. -E. For. Inst. 8 (8): 63. f. 6. 1980; 秦岭植物志 1 (3): 60. 445. 图46. 1981.
多年生草本。根粗壮，直伸，颈部常具数个分叉。茎直立或上升，高20-40厘米，有条棱，被白色柔毛。羽状复叶有11-19片小叶，长3-8厘米；叶柄长0.5-1.5厘米；托叶离生，近膜质，卵状披针形或披针形，长5-10毫米，先端尖，下面散生白色柔毛或近无毛；小叶长圆形或卵形，长5-20毫米，宽2-8毫米，先端钝或微凹，基部近圆形，上面绿色，近无毛，下面淡绿色，被白色伏贴柔毛，具短小叶柄。总状花序生7-10花，稍稀疏；总花梗通常较叶为短；苞片膜质，卵状披针形或披针形，长2-5毫米，背面被白色或混生黑色柔毛；花梗长2-5毫米，连同花序轴被黑色混生白色伏贴柔毛；花萼钟状，长5-6毫米，被黑毛混生白色伏贴柔毛，萼齿短，三角状披针形，长1-2毫米，毛较密；花冠紫红色，旗瓣倒卵形，长约12毫米，先端深凹，基部渐狭，翼瓣较旗瓣稍短，瓣片长圆形，基部具短耳，瓣柄长约6毫米，龙骨瓣长约9毫米，瓣片半卵形，具短耳及长约5毫米的瓣柄；子房假2室，披针形，无毛，具不明显的柄。荚果膨胀，卵形，先端具尖头，长10-12毫米，宽6-7毫米，无毛；种子4颗，肾形，暗褐色，长约2毫米。花期6-7月，果期7-9月。
产陕西太白山（模式标本产地）。生于海拔2000-3300米的山坡路旁及林下。
《Flora of China》 Vol. 10 (2010)
120. Astragalus taipaishanensis Y. C. Ho & S. B. Ho, Bull. Bot. Lab. N. E. Forest. Inst., Harbin. 1980(8): 63. 1980.
太白山黄耆 tai bai shan huang qi
Plants 20-40 cm tall, loosely hairy. Stems ascending to erect, with appressed to subappressed white hairs 0.3-0.8(-1) mm. Leaves 3-9 cm; stipules 5-10 mm, sparsely hairy to sub-glabrous, ciliate; petiole 0.5-1.5 cm, with rachis hairy like stem; leaflets in 5-9 pairs, oblong to narrowly ovate, 5-20 × 2-8 mm, abaxially especially at midrib loosely covered with subap-pressed white hairs 0.2-0.5 mm, adaxially glabrous or more rarely with scattered hairs only, apex obtuse to retuse. Racemes loosely 7-12-flowered; peduncle 5-7 cm, hairy like stem; bracts membranous, narrowly triangular, 2-5 mm, white and black hairy. Calyx 5-6 mm, loosely, toward teeth more densely, covered with subappressed, predominantly black hairs 0.5-0.8 mm; teeth narrowly triangular, all close together at dorsal side, 0.5-2 mm. Petals violet; standard obovate, 12-14 × ca. 6 mm; wings 10-13 mm; keel 9-11 mm. Legumes subsessile, ovoid to ellipsoid, 10-12 mm, 5-6 mm high and wide, keeled ventrally, grooved dorsally, acuminate, 2-locular; valves glabrous.● 2400-2900 m. Gansu, Shaanxi.