纤细东俄芹Tongoloa gracilis Wolff
纤细东俄芹Tongoloa gracilis Wolff
6．纤细东俄芹 图版56
Tongoloa gracilis Wolff in Notizbl. Bot. Gart. Berlin. 9: 279. 1925.
多年生草本，高30-75厘米。根细长呈圆锥形。茎直立，圆柱形，无毛，通常下部略带紫罗兰色，近中部有短分枝。较下部的叶片有长柄，柄细弱，基部有鞘；叶片近3出式3回羽状分裂，下面的羽片有短柄，末回裂片线形，长3-15毫米，宽约1毫米，边缘增厚；上部的茎生叶2-3回羽状分裂，末回裂片细小；序托叶的叶柄呈鞘状。复伞形花序顶生，花序梗长3-12厘米；无总苞片和小总苞片；伞辐5-11，长2.5-6厘米；小伞形花序有多数花，花柄纤细；萼齿细小，卵状三角形或近半圆形；花瓣白色、淡红色或白色稍带红色，倒卵圆形，基部狭窄，顶端有内折的小舌片；花柱基扁压，花柱向外反折。果实幼时阔卵形，长约2毫米。花期8-9月。
产四川、云南、甘肃、青海。生长在山坡路旁、林缘草地和草原地带；海拔2300-3900米。模式标本采自四川东俄洛。
《Flora of China》 Vol. 14 (2005)
Tongoloa gracilis H. Wolff
纤细东俄芹 xian xi dong e qin
Plants 25–75 cm. Taproot slender. Stem purplish, branched. Lower leaves long-petiolate, petioles slender, sheaths narrow-oblong; blade broadly ovate, 3–10 × 2–6 cm, 3-pinnate; lower pinnae short petiolulate; ultimate segments linear-lanceolate, 3–8(–10) × ca. 1 mm, pinnatifid. Umbels 3.5–10 cm across; peduncles 3–12 cm; bracts and bracteoles absent; rays 5–11, 2.5–6 cm; umbellules many-flowered. Calyx teeth minute, ovate-triangular or semi-orbicular. Petals obovate, white or pinkish, notched with incurved tips. Fruit oblong-ellipsoid, ca. 2 × 1.3 mm; ribs filiform. Fl. Aug–Sep, fr. Sep–Oct.
Forest margins, meadows; 2300–4500 m. Gansu, Qinghai, Shaanxi, Sichuan, Xizang, Yunnan [?Bhutan, NE India].
别名：细叶东俄芹;纤细东谷芹;东俄芹;
科名：伞形科 Umbelliferae
属名：东俄芹属 Tongoloa
6．纤细东俄芹 图版56
Tongoloa gracilis Wolff in Notizbl. Bot. Gart. Berlin. 9: 279. 1925.
多年生草本，高30-75厘米。根细长呈圆锥形。茎直立，圆柱形，无毛，通常下部略带紫罗兰色，近中部有短分枝。较下部的叶片有长柄，柄细弱，基部有鞘；叶片近3出式3回羽状分裂，下面的羽片有短柄，末回裂片线形，长3-15毫米，宽约1毫米，边缘增厚；上部的茎生叶2-3回羽状分裂，末回裂片细小；序托叶的叶柄呈鞘状。复伞形花序顶生，花序梗长3-12厘米；无总苞片和小总苞片；伞辐5-11，长2.5-6厘米；小伞形花序有多数花，花柄纤细；萼齿细小，卵状三角形或近半圆形；花瓣白色、淡红色或白色稍带红色，倒卵圆形，基部狭窄，顶端有内折的小舌片；花柱基扁压，花柱向外反折。果实幼时阔卵形，长约2毫米。花期8-9月。
产四川、云南、甘肃、青海。生长在山坡路旁、林缘草地和草原地带；海拔2300-3900米。模式标本采自四川东俄洛。
《Flora of China》 Vol. 14 (2005)
Tongoloa gracilis H. Wolff
纤细东俄芹 xian xi dong e qin
Plants 25–75 cm. Taproot slender. Stem purplish, branched. Lower leaves long-petiolate, petioles slender, sheaths narrow-oblong; blade broadly ovate, 3–10 × 2–6 cm, 3-pinnate; lower pinnae short petiolulate; ultimate segments linear-lanceolate, 3–8(–10) × ca. 1 mm, pinnatifid. Umbels 3.5–10 cm across; peduncles 3–12 cm; bracts and bracteoles absent; rays 5–11, 2.5–6 cm; umbellules many-flowered. Calyx teeth minute, ovate-triangular or semi-orbicular. Petals obovate, white or pinkish, notched with incurved tips. Fruit oblong-ellipsoid, ca. 2 × 1.3 mm; ribs filiform. Fl. Aug–Sep, fr. Sep–Oct.
Forest margins, meadows; 2300–4500 m. Gansu, Qinghai, Shaanxi, Sichuan, Xizang, Yunnan [?Bhutan, NE India].