• Scientific Name: Rhodotypos scandens (Thunb.) Makino
• Ref: Bot. Mag. (Tokyo) 27:126. 1913
• Synonyms: Corchorus scandens Thunb., Kerria tetrapetala Siebold, Rhodotypos kerrioides Siebold & Zucc., Rhodotypos tetrapetalus Makino
• English Common Name: jetbead
• Chinese Common Name: 鸡麻 jīmá
• Japanese Common Name: シロヤマブキ [白山吹] shiroyamabuki
• Family: Rosaceae
• Genus: Rhodotypos
• Distribution: Forests on mountain slopes or in valleys; 100–800 m. Anhui, Gansu, Henan, Hubei, Jiangsu, Liaoning, Shaanxi, Shandong, Zhejiang [Japan, Korea].
• Photo: 04/27/2013

Shrubs 0.5–2(3) m tall. Branchlets green when young, later brown, glabrous. Stipules pilose; petiole 2–5 mm, pilose; leaf blade 4–11 × 3–6 cm, abaxially sericeous when young, sparsely pilose on veins when old, adaxially pilose when young, glabrescent later, base rounded to subcordate, apex acuminate. Flowers 3–5 cm in diam. Sepals ovate-elliptic, sparsely sericeous distally, apex acute; epicalyx segments linear, 1/5–1/4 as long as sepals. Petals obovate, 1/4–1/3 as long as sepals. Drupes 1–4, brownish black, obliquely ellipsoid, ca. 8 mm. Fl. Apr–May, fr. Jun–Sep. 2n = 18. (Flora of China)

04/05/2016, Zhejiang

04/05/2016, Zhejiang