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Cotyledon (genus)
''Cotyledon'' is a genus of succulent plants in the Crassulaceae family. Mostly from Southern Africa, they also occur throughout the drier parts of Africa as far north as the Arabian peninsula.
==Description==
Members of the genus are shrublets, generally succulent, with fleshily woody, brittle stems and persistent succulent leaves. The leaves are opposite. Leaf pairs generally are oriented at 90 degrees to their preceding and following pairs, as is common in the family Crassulaceae, but the leaf habit differs from say ''Tylecodon'' in which the leaves are borne in spirals and are deciduous.
The flowers are pendulous and tubular, borne at the tips of stout, rather long peduncles, mainly in short cymes. Calyx 5-partite, corolla 5-lobed. Petals united in a tube or urn that generally is longer than broad, their triangular tips more or less pointed and recurved, 10 stamens arising from corolla near base and projecting or nearly projecting from the corolla. Gynoecium comprises 5 carpels, nearly or quite free, each carpel tapering into a slender style with an obliquely capitate stigma. Each carpel contains many small (typically less than 1 milligramme when ripe) globular, brown seeds.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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