宜昌东俄芹Tongoloa dunnii (de Boiss.) Wolff
宜昌东俄芹Tongoloa dunnii (de Boiss.) Wolff
5. 宜昌东俄芹 图版55
Tongoloa dunnii (de Boiss.) Wolff in Engl. Pflanzenr. 90 (IV. 228): 317. 1927. ——Pimpinella dnnnii de Boiss. in Bull. Herb. Boiss. 3 (2): 841. 1903; Diels Fl. Tsin-ling-shah, 82. 1905.
多年生草本，高50-70厘米。根短，褐色。茎直立，有细条纹，疏生分枝。较下部的茎生叶柄长7-18厘米，基部扩大成膜质的叶鞘，叶鞘抱茎，长1.5-3厘米；叶片轮廓近阔三角形，2-3回羽状全裂或三出式2回羽状全裂，第一回羽片有短柄；末回裂片狭线形，长2-4.5厘米，宽1.5-3毫米，全缘，中脉1条，边缘增厚；序托叶为一回羽状分裂或成三出小叶，叶柄呈鞘状，边缘膜质。复伞形花序顶生或侧生，顶生的花序梗较粗壮，侧生的花序梗细弱；无总苞片和小总苞片；伞辐7-17，长3-6厘米小伞形花序有花10-25；萼齿呈卵形或阔卵形，直立；花瓣白色，长椭圆形以至长倒卵形，长1.2-2毫米，宽约1毫米，顶端无内折的小舌片；花丝与花瓣近等长或稍短，花药卵圆形；花柱在幼果时长于花柱基，向外反曲。分生果卵形以至圆心形，长约1.5毫米；主棱明显，果柄短而直。花期8月。
产湖北、四川。生长在山坡林下；海拔2000-3500米。模式标本采自湖北宜昌。
《Flora of China》 Vol. 14 (2005)
Tongoloa dunnii (H. de Boissieu) H. Wolff
宜昌东俄芹 yi chang dong e qin
Plants 50–70 cm. Taproot brown, short. Stem several-branched. Lower petioles 7–18 cm, sheaths oblong, 1.3–3 cm, membranous and clasping; blade broadly triangular, 2–3-pinnate; pinnae 4–5 pairs, short-petiolulate; ultimate segments elongate-linear, 2–4.5 cm × 1.5–3 mm, entire. Umbels 5–10 cm across; bracts and bracteoles absent; rays 7–17, 3–6 cm; umbellules 10–25-flowered. Calyx teeth minute, ovate or triangular-ovate. Petals long-elliptic to obovate, white or greenish, 1.2–2 × ca. 1 mm, apex obtuse-acute. Young fruit broad-ovoid to cordate, ca. 1.5 mm (mature fruit unknown). Fl. Jun.
Forests; 2000–4000 m. Hubei, Sichuan, SE Xizang.
This distinctive but poorly known species is recorded only from a few collections. It has reputed medicinal value (in Xizang).
别名：红花芹;太白三七;
科名：伞形科 Umbelliferae
属名：东俄芹属 Tongoloa
5. 宜昌东俄芹 图版55
Tongoloa dunnii (de Boiss.) Wolff in Engl. Pflanzenr. 90 (IV. 228): 317. 1927. ——Pimpinella dnnnii de Boiss. in Bull. Herb. Boiss. 3 (2): 841. 1903; Diels Fl. Tsin-ling-shah, 82. 1905.
多年生草本，高50-70厘米。根短，褐色。茎直立，有细条纹，疏生分枝。较下部的茎生叶柄长7-18厘米，基部扩大成膜质的叶鞘，叶鞘抱茎，长1.5-3厘米；叶片轮廓近阔三角形，2-3回羽状全裂或三出式2回羽状全裂，第一回羽片有短柄；末回裂片狭线形，长2-4.5厘米，宽1.5-3毫米，全缘，中脉1条，边缘增厚；序托叶为一回羽状分裂或成三出小叶，叶柄呈鞘状，边缘膜质。复伞形花序顶生或侧生，顶生的花序梗较粗壮，侧生的花序梗细弱；无总苞片和小总苞片；伞辐7-17，长3-6厘米小伞形花序有花10-25；萼齿呈卵形或阔卵形，直立；花瓣白色，长椭圆形以至长倒卵形，长1.2-2毫米，宽约1毫米，顶端无内折的小舌片；花丝与花瓣近等长或稍短，花药卵圆形；花柱在幼果时长于花柱基，向外反曲。分生果卵形以至圆心形，长约1.5毫米；主棱明显，果柄短而直。花期8月。
产湖北、四川。生长在山坡林下；海拔2000-3500米。模式标本采自湖北宜昌。
《Flora of China》 Vol. 14 (2005)
Tongoloa dunnii (H. de Boissieu) H. Wolff
宜昌东俄芹 yi chang dong e qin
Plants 50–70 cm. Taproot brown, short. Stem several-branched. Lower petioles 7–18 cm, sheaths oblong, 1.3–3 cm, membranous and clasping; blade broadly triangular, 2–3-pinnate; pinnae 4–5 pairs, short-petiolulate; ultimate segments elongate-linear, 2–4.5 cm × 1.5–3 mm, entire. Umbels 5–10 cm across; bracts and bracteoles absent; rays 7–17, 3–6 cm; umbellules 10–25-flowered. Calyx teeth minute, ovate or triangular-ovate. Petals long-elliptic to obovate, white or greenish, 1.2–2 × ca. 1 mm, apex obtuse-acute. Young fruit broad-ovoid to cordate, ca. 1.5 mm (mature fruit unknown). Fl. Jun.
Forests; 2000–4000 m. Hubei, Sichuan, SE Xizang.
This distinctive but poorly known species is recorded only from a few collections. It has reputed medicinal value (in Xizang).