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Published In: Species Plantarum 2: 1007. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: A genus of c. 100 species; distributed in tropics and warm temperate regions. Represented in Pakistan by 2, cultivated species.


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Deciduous trees or shrubs. Leaves alternate, simple, entire or palmately lobed or digitately compound; stipules fugacious. Inflorescence an axillary or terminal panicle or raceme. Flowers unisexual and bisexual on the same plant (plants polygamous) or only unisexual (monoecious), terminal mostly pistillate and precocious, usually actinomorphic, pedicellate. Calyx tubular or campanulate, usually 4-5-lobed. Petals absent. Stamens 10-30, monadelphous into a short or long column. Carpels (3-) 4-5, syncarpous, becoming free in fruit; ovary usually sessile, locules as many as carpels, 2-many ovuled; style with 4-5-lobed or peltate stigma. Fruit an etaerio of stellately spreading, ventrally dehiscent, woody follicles. Seeds 1-many, oblong, brown or velvety black.

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1 Leaves simple, 5-7-lobed. Follicles not boat-shaped, 4-6 cm long Sterculia villosa
+ Leaves palmately 5-9-foliolate. Follicles boat-shaped, c. 10 cm long Sterculia foetida
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