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