- Scientific Name: Staphylea japonica (Thunb.) Mabb.
- Ref: Mabberley’s Pl.-Book, ed. 4:1102. 2017
- Synonyms:
- Euodia chaffanjoni H.Lév.
- Euscaphis chinensis Gagnep.
- E. fukienensis P.S.Hsu
- E. japonica (Thunb.) Kanitz
- E. japonica var. jianningensis Q.J.Wang
- E. japonica f. lanata (Masam.) K.Iwats. & H.Ohba
- E. japonica var. pubescens P.L.Chiu & G.R.Zhong
- E. japonica var. wupingensis B.P.Cai & Z.R.Chen
- E. konishii Hayata
- E. saponica Pax
- E. simplicifolia Siebold & Zucc.
- E. tonkinensis Gagnep.
- Hebokia japonica (Thunb.) Raf.
- Sapindus cavaleriei H.Lév.
- Sambucus japonica Thunb.
- Triceros japonica (Thunb.) Baill.
- English Common Name: Japanese bladdernut
- Chinese Common Name: 野鸦椿 yěyā∙chūn, 酒药花 jiǔyào∙huā
- Japanese Common Name: ゴンズイ [権萃] gonzui
- Family: Staphyleaceae
- Genus: Staphylea
- Distribution: Mountain valleys, open forests. Most provinces in China except NW regions, especially in areas S of the Chang Jiang to Hainan [Japan, Korea, Vietnam].
Small deciduous trees or shrubs, (2-)3-6(-8) m tall; bark grayish brown, striped. Twigs and buds dark purple. Branches glabrescent. Leaves with pale green rachis, (8-)12-32 cm; stipule linear, pilose, base broad, tapering to tip; leaflets 5-9, rarely 3-11, with unpleasant odor when crushed; petiolule 1-2 mm, glabrescent; leaflet blades elliptic to oblong-ovate or sometimes oblong-lanceolate, rarely ovate, 4-6(-9) × 2-3(-4) cm, papery, glabrous or pilose along veins, adaxially green, abaxially pale, main vein impressed adaxially and prominent abaxially, lateral veins 8-11, conspicuous on both surfaces, base broadly cuneate to rounded, margin sparsely serrulate with glandular teeth, apex acuminate. Inflorescence a terminal panicle, up to 21 cm. Flower small, yellowish white, 4-5 mm in diam.; pedicel ca. 2 mm. Sepals oval, ca. 2 mm, base united, margin ciliate, apex obtuse. Petals yellowish green, obovate, slightly longer than sepals. Stamens shorter than petals; anthers oval. Ovary ovoid; carpels 3, free or base slightly united. Follicle 1-2 cm, 1-3-locular; pericarp softly leathery, red-brown with irregular ribs. Seeds shining black, subglobose, ca. 5 mm in diam.; arils fleshy. Fl. Apr-Jun, fr. Aug-Nov. (Flora of China)
