假升麻 Aruncus sylvester

  • Scientific Name: Aruncus sylvester Kostel. ex Maxim.
  • Ref: Trudy Imp. S.-Peterburgsk. Bot. Sada 6:169. 1879
  • English Common Name: Asian goatsbeard
  • Chinese Common Name: 假升麻 jiǎ∙shēngmá, 棣棠升麻 dìtáng shēngmá
  • Japanese Common Name: ヤマブキショウマ [山吹升麻] yamabukishōma
  • Family: Rosaceae
  • Genus: Aruncus
  • Distribution: 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)].
  • Photo: 07/14/2008, Mt. Changbai, Jilin
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. (Flora of China)

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