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          華西棘豆 Oxytropis giraldii Ulbrich

          目前為止,中國西南野生生物種質資源庫共保藏該物種: 種子1份; DNA材料1份;

          • 科:豆科    Fabaceae
          • 屬:棘豆屬    Oxytropis
          • 種:華西棘豆   Oxytropis giraldii

          1志書描述

          53. Oxytropis giraldii Ulbrich, Bot. Jahrb. Syst. 36(Beibl. 82): 66. 1905. 華西棘豆 hua xi ji dou Oxytropis ningxiaensis C. W. Chang.Herbs, 20-45 cm tall, caulescent, arising from a multi&shy;headed caudex, subglabrous with sparse trichomes or with ap&shy;pressed dense yellow trichomes. Stems erect or ascending, with 2-4 or more apparent internodes. Stipules ovate-triangular, 6-8 × ca. 3 mm, with sparse trichomes, distinct. Leaves 5-10 cm, (11-)21-31-foliolate; petiole and rachis with spreading yellow trichomes or glabrous; leaflet blades ovate-lanceolate, elliptic, or oblong, 5-14 × (2-)3-5 mm, both surfaces with yellow long trichomes, base rounded, apex acute to obtuse. Racemes rather lax in both flower and fruit, many flowered; peduncle (3-)5-14 cm; bracts narrowly lanceolate, 3-7 mm, with sparse yellow tri&shy;chomes. Calyx campanulate, 7-8 mm, with spreading black tri&shy;chomes; lobes lanceolate, (2-)3-4 mm. Corolla blue to purple; standard 1-1.5 cm, lamina ovate and 8-10 mm wide, apex emarginate; wings 1-1.2(-1.4) cm, lamina elliptic, apex emar&shy;ginate; keel 0.9-1.2 cm, beak 1-1.5 mm. Legume stipitate; stipe ca. 5 mm; body brown, oblong, ellipsoid, or subglobose, (1.7-)2-2.5 × (0.7-)0.8-1 cm, inflated, membranous to sub&shy;leathery, 1-locular, with spreading sparse trichomes, septum 0.5(-0.8) mm wide, adaxial suture deeply grooved, beak very short to 3 mm. Fl. and fr. May-Aug.● Wastelands, forested valleys, grasslands on hillsides; 2100-3600 m. Gansu, Ningxia, Qinghai, Shaanxi, Sichuan.【引自:Flora of China】

          多年生草本,高達45厘米,近無毛,或疏被柔毛,至密被貼伏黃色粗毛。莖直立,從基部具極多分枝。羽狀復葉大,長5-10厘米;托葉卵狀三角形,長6-8毫米,寬3毫米,離生,疏被黃色柔毛;葉柄與葉軸通常被開展黃色短疏柔毛,或無毛;小葉21-31,卵狀披針形或橢圓形,長5 (8) -10 (-14) 毫米,寬3-5毫米,先端尖,基部圓形,兩面被黃色柔毛。多花組成密集頭形總狀花序;總花梗長5-14厘米;苞片狹披針形,長7毫米,疏被黃色柔毛;花長10-15毫米;花萼鐘狀,長7-8毫米,密被開展黑色長柔毛,萼齒披針形,狹而長,長3-4毫米;花冠藍色,旗瓣長12-15毫米,瓣片圓卵形,寬8-10毫米,先端微缺,基部下延,翼瓣長10-12毫米,瓣片半廣橢圓形,寬2-3毫米,先端微凹,耳長2毫米,瓣柄長5.5毫米,龍骨瓣長9-12毫米,寬3毫米,喙長1-1.5毫米;子房線形,被細剛毛,花柱無毛,具長柄,胚珠15-20。莢果近革質,長圓形或橢圓形,黃褐色,膨脹,長20-25毫米,寬8-10毫米,先端尖,喙極短,腹溝較深,被開展疏柔毛,腹隔膜寬0.5毫米,近1室;果梗長約5毫米。種子10-20顆?;ü?-8月。 【引自:中國植物志】

          2分布信息

          采集編號 國家 區縣 詳情
          Chensl1005 中國 青海 海南 同德 詳細

          3種子保藏信息

          采集編號 采集單位 項目 采集年份 重量(g) 詳情
          Chensl1005 中國科學院西北高原生物研究所 青藏高原 2010 詳細
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