贝叶棕亚科
贝叶棕亚科(学名:)是棕榈科下的一个亚科。包括有乔木和灌木,单干或丛生。叶为扇形或近圆形、近心形,掌状分裂,少数种类不分裂或羽状分裂;裂片向内折叠,少数外向折叠。花两性、单性或杂性,雌雄异株;花在花序分枝节上单朵或2朵并生(合轴状分枝),花序外由苞片组成的佛焰苞所包围或部分包围,绝无3朵并生现象(即中间1朵雌花,两侧各1朵雄花);雄蕊多枚或6枚;心皮3枚,离生或各种合生。核果含种子1~3粒。
贝叶棕亚科 | |
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蒲葵 | |
科学分类 | |
界: | 植物界 Plantae |
演化支: | Tracheophyta |
演化支: | 被子植物 Angiosperms |
演化支: | 单子叶植物 Monocots |
演化支: | 鸭跖草类植物 Commelinids |
目: | 棕榈目 Arecales |
科: | 棕榈科 Arecaceae |
亚科: | 贝叶棕亚科 Coryphoideae Burnett, 1835 |
模式属 | |
贝叶棕属 Corypha L., 1753 | |
族 | |
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分类
在棕榈科之中,本亚科与槟榔亚科及蜡椰亚科的关系最为亲近。棕榈科各亚科的亲缘关系如下(节点有“*”标志的分支表示其自助法支持率介于50-80%之间,无标志者为80%以上)[1]:
棕榈科 Arecaceae |
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参考文献
- Arecales. In Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 [and more or less continuously updated since].
- Asmussen, C.B., Dransfield, J., Deickmann, V., Barford, A.S., Pintaud, J.-C. & Baker, W.J. (2006) A new subfamily classification of the palm family (Arecaceae): evidence from plastid DNA phylogeny. Botanical Journal of the Linnean Society, 151: 15–38. doi:10.1111/j.1095-8339.2006.00521.x PDF
- Dransfield, J., Uhl, N.W., Asmussen, C.B., Baker, W.J., Harley, M.M. & Lewis, C.E. (2005) A New Phylogenetic Classification of the Palm Family, Arecaceae. Kew Bulletin, 60 (4): 559-569. JSTOR Stable PDF
- Dransfield, J., Uhl, N.W., Asmussen, C.B., Baker, W.J., Harley, M.M., & Lewis, C.E. (2008) Genera palmarum: The Evolution and Classification of Palms. Kew Publishing: Royal Botanic Gardens, Kew.
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