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FOC | Family List | FOC Vol. 11 | Staphyleaceae

2. Staphylea Linnaeus, Sp. Pl. 1: 270. 1753.

省沽油属 sheng gu you shu

Small trees or shrubs, deciduous. Leaves odd-pinnate, usually with 3 or 5 leaflets; stipules caducous; leaflet blades oblong to elliptic, glabrous or sometimes slightly pubescent, margin serrate to serrulate. Inflorescence a panicle or a raceme, usually terminal. Flower bisexual. Sepals 5, of equal size, imbricate. Petals 5, as long as sepals or slightly longer, white, yellow, or pinkish. Stamens 5, inserted at base of petals; filaments glabrous or slightly pubescent. Disk small, inconspicuous. Ovary 2- or 3-locular; styles 2 or 3, free or united; stigma capitate; ovules several per locule. Capsule inflated, bladderlike, with membranous fruit wall, dehiscing at tip of each carpel. Seeds shining yellow to brown.

About 13 species: Asia, Europe, North America; six species (five endemic) in China.

1 Petiolule of terminal leaflet up to 1 cm; capsule flat, 2-lobed.   1 S. bumalda
+ Petiolule of terminal leaflet more than 1 cm; capsule inflated, usually 3(or 4)-lobed   (2)
2 (1) Petiolule of lateral leaflets 7-14 mm.   6 S. yuanjiangensis
+ Petiolule of lateral leaflets only 1-3 mm, or leaflets nearly sessile   (3)
3 (2) Filaments glabrous; capsule campanulate, base rounded.   5 S. campanulata
+ Filaments ± pubescent; capsule cylindric-obovoid, base acute   (4)
4 (3) Inflorescence a broad corymb; leaflet blades subcoriaceous.   2 S. holocarpa
+ Inflorescence a raceme; leaflet blades membranous or papery   (5)
5 (4) Leaflet blades membranous, glabrous, margin glandular toothed.   3 S. shweliensis
+ Leaflet blades papery, pilose along lower portion of midvein on adaxial surface.   4 S. forrestii

Lower Taxa


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