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Laccosperma
''Laccosperma'' is a clustering genus of flowering plant in the palm family found in tropical Africa. Poorly studied and rarely cultivated, they are closely related to the ''Eremospatha'' genus and with it form a tribe in the ''Calameae'' characterized by dyads of hermaphrodite flowers.〔Uhl, Natalie W. and Dransfield, John (1987) ''Genera Palmarum - A classification of palms based on the work of Harold E. Moore''. Lawrence, Kansas: Allen Press. ISBN 0-935868-30-5 / ISBN 978-0-935868-30-2〕 The genus name combines the Greek words for "reservoir" and "seed".〔Riffle, Robert L. and Craft, Paul (2003) ''An Encyclopedia of Cultivated Palms''. Portland: Timber Press. ISBN 0-88192-558-6 / ISBN 978-0-88192-558-6〕 ==Description== The trunks are mostly medium to large, clustering, high climbing, and extensively armed with sharp spines. The pinnate leaves are usually large, with spiny petioles, rachises and leaf sheaths. The barbed, linear leaflets are regularly arranged along the rachis and usually hang pendent. The end of the rachis is modified for climbing, featuring double, recurved spines which hook onto forest vegetation. In some species the ocrea, a thin flange where the leaf meets the stem, is enlarged and harbors ants.〔〔(【引用サイトリンク】title=''Taxonomy, biology and ecology of rattan'' )〕 As hapaxanths, after a prolonged vegetative period, a brief flowering phase begins which results in the death of individual stems. They simultaneously produce multiple inflorescences at the top of the trunk, long, once or twice-branched spikes with bisexual flowers. The fruit is small and scaly and contains one seed.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Laccosperma」の詳細全文を読む
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