假升麻 Aruncus sylvester

中文名(Chinese Name):假升麻
学名(Scientific Name):Aruncus sylvester Kostel.
英文名(English Common Name):
别名(Chinese Common Name):棣棠升麻
异名(Synonym):Aruncus dioicus var. vulgaris (Maxim.) Hara  Aruncus sylvester var. tenuifolius Nakai ex H. Hara  Spiraea aruncus L.  Aruncus dioicus var. triternatus (Wall. ex Maxim.) H. Hara  Aruncus kamtschaticus (Maxim.) Rydb.  Aruncus kamtschaticus var. tomentosus (Koidz.) Miyabe et Tatew.  Ulmaria aruncus Hill  Astilbe aruncus (L.) Trevir.  Aruncus asiaticus Pojark.  Aruncus dioicus var. kamtschaticus (Maxim.) H. Hara  Aruncus dioicus var. tenuifolius (Nakai ex H. Hara) H. Hara  Aruncus sylvester var. tomentosus Koidz.  Aruncus sylvester var. triternatus Wall. ex Maxim.  Aruncus sylvester var. vulgaris Maxim.  Aruncus tomentosus (Koidz.) Koidz.  Aruncus sylvester var. kamtschaticus Maxim.  Ulmaria arunca (L.) Hill
科属Family & Genus):蔷薇科(Rosaceae)假升麻属
形态特征Description):多年生草本,基部木质化,高达1-3米;茎圆柱形,无毛,带暗紫色。大型羽状复叶,通常二回稀三回,总叶柄无毛;小叶片3-9,菱状卵形、卵状披针形或长椭圆形,长5-13厘米,宽2-8厘米,先端渐尖,稀尾尖,基部宽楔形,稀圆形,边缘有不规则的尖锐重锯齿,近于无毛或沿叶边具疏生柔毛;小叶柄长4-10毫米或近于无柄;不具托叶。大型穗状圆锥花序,长10-40厘米,直径7-17厘米,外被柔毛与稀疏星状毛,逐渐脱落,果期较少;花梗长约2毫米;苞片线状披针形,微被柔毛;花直径2-4毫米;萼筒杯状,微具毛;萼片三角形,先端急尖,全缘,近于无毛;花瓣倒卵形,先端圆钝,白色;雄花具雄蕊20,着生在萼筒边缘,花丝比花瓣长约1倍,有退化雌蕊;花盘盘状,边缘有10个圆形突起;雌花心皮3-4,稀5-8,花柱顶生,微倾斜于背部,雄蕊短于花瓣。蓇葖果并立,无毛,果梗下垂;萼片宿存,开展稀直立。花期6月,果期8-9月。
分布Distribution):产东北、河南、甘肃、陕西、湖南、江西、安徽、浙江、四川、云南、广西、西藏。生海拔1800-3500米山沟、山坡杂木林下。也分布于俄罗斯西伯利亚、日本、朝鲜等地。
用途Use):
引自中国植物志英文版FOC Vol. 9 Page 74      
Aruncus sylvester Kosteletzky ex Maximowicz, Trudy Imp. S.-Peterburgsk. Bot. Sada. 6: 169. 1879.
假升麻 jia sheng ma| Rosaceae  | Aruncus
Spiraea aruncus Linnaeus, Sp. Pl. 1: 490. 1753; Aruncus asiaticus Pojarkova; A. dioicus (Walter) Fernald var. kamtschaticus (Maximowicz) H. Hara; A. dioicus var. tenuifolius (Nakai ex H. Hara) H. Hara; A. dioicus var. triternatus (Wallich ex Maximowicz) H. Hara; A. dioicus var. vulgaris (Maximowicz) H. Hara; A. kamtschaticus (Maximowicz) Rydberg; A. kamtschaticus var. tomentosus (Koidzumi) Miyabe & Tatewaki; A. sylvester var. kamtschaticus Maximowicz; A. sylvester var. tenuifolius Nakai ex H. Hara; A. sylvester var. tomentosus Koidzumi; A. sylvester var. triternatus Wallich ex Maximowicz; A. sylvester var. vulgaris Maximowicz; A. tomentosus (Koidzumi) Koidzumi; Astilbe aruncus (Linnaeus) Treviranus; Ulmaria aruncus (Linnaeus) Hill.
Plants to 3 m tall, woody at base. Stems dark purplish, glabrous. Leaves 2- or 3-pinnate; petiolules 4–10 mm; leaflets rhombic-ovate, ovate-lanceolate, or long elliptic, 5–13 × 2–8 cm, subglabrous on both surfaces, base cuneate, margin irregularly toothed, apex acuminate to long acuminate. Panicle lax, 10–40 × 7–17 cm; peduncle and pedicels glabrescent in fruit; bracts and bracteoles sparsely pubescent. Flowers 2–4 in diam.; pedicel ca. 2 mm. Hypanthium slightly pubescent. Sepals spreading or erect in fruit. Male flowers with filaments ca. 2 × as long as petals. Fl. Jun, fr. Aug–Sep.
Mixed forests on montane slopes, valleys; 1800--3500 m. Anhui, Gansu, Guangxi, Heilongjiang, Henan, Hunan, Jiangxi, Jilin, Liaoning, Shaanxi, Sichuan, Xizang, Yunnan [Bhutan, NW India (Himachal Pradesh), Japan, Korea, Mongolia, Nepal, Russia, Sikkim; SW Asia, Europe, ?NW North America (Alaska)].
 假升麻 Aruncus sylvester

假升麻 Aruncus sylvester

假升麻 Aruncus sylvester
(责任编辑:徐晔春)

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