Cycas taiwaniana

名称状态:被SP2000收录,状态为:Cycas taiwaniana为接受名
科属名称:Cycadaceae(苏铁科)  苏铁属
中文名:闽粤苏铁
形态描述:树干圆柱形,高1-3.5米,径20-35厘米,有残存的叶柄。羽状叶长达180厘米,宽20-40厘米,条状矩圆形,先端钝,基部渐狭,叶柄长15-40厘米,横切面卵圆形,两侧有刺,刺长2-5毫米,羽状裂片90-144对,条形,薄革质,斜上伸展,中部的羽状裂片与叶轴成60度的角度,通常直或中上部微弯,长18-25厘米,宽7-12毫米,上部渐窄,先端有渐尖的刺状长尖头(基部的羽状裂片有微急尖的长尖头),基部惭窄,下侧较上侧稍宽,下延生长,边缘全缘,稍增厚不反卷,两面中脉隆起或微隆起,通常上面的隆起更显著,上面绿色,有光泽,下面淡绿色,无毛。雄球花近圆柱形或长椭圆形,长约50厘米,径9-10厘米,梗长约5厘米,小孢子叶近楔形,长2.5-4厘米,宽1.5-1.8厘米,横切面宽三角形,顶端近截形,有刺状尖头,两角、锐尖,下部渐窄,下面及顶部密生暗黄色或锈色绒毛,上面光滑,花药2-4个聚生;大孢子叶密生黄褐色或锈色绒毛,成熟后逐渐脱落,长17-25厘米,下部柄状,长10-15厘米,横切面近菱形,柄的中上部两侧着生4-6枚胚珠,成熟时下部光滑无毛,胚珠栗褐色,光滑无毛,宽倒卵圆形或圆球形,顶端具一短尖头,上部的顶片斜方状圆形或宽卵圆形,宽7-8厘米,边缘蓖齿状分裂,裂片钻形,有刺状尖头,通常上部光滑无毛,顶生的裂片稍长大,具锯齿或呈钻形再分裂。种子椭圆形或矩圆形,稀卵圆形,稍扁,熟时红褐色,长3-4.5厘米,径1.5-3厘米,顶端微凹,外面有不规则的皱纹,中种皮木质,两侧常具两条稀一条明显的棱脊,向上逐渐消失,顶端有微小的尖头。
国内分布:贵州、湖南、福建、广东、广西
全球观测记录分布(数据来自GBIF):
                    
序号标题卷册作者年份页码数据源
1福建植物志,v1268 BHL中国
2中国植物志,v7BHL中国
3The Journal of the Linnean Society. Botany.v.26 (1889-1902)1889-90560 BHL全球
4Bulletin of the British Museum (Natural History). 13245 BHL全球
5Descriptive catalogue of the Formosan fungi / by Kaneyoshi Sawoda.252 BHL全球
6Catalogue of scientific papers, 1800-1900. Compiled by the Royal Society of London. London, C.J. Clay and Sons, 1867-1902 [etc.]1482 BHL全球
7The Journal of the College of Science, Imperial University of Tokyo, Japan = Tokyo Teikoku Daigaku kiyo. Rika.v. 22 (1906)1906404 BHL全球
8Materials for a flora of Formosa : supplementary notes to the Enumeratio plantarum Formosanarum and Flora montana Formosae / by B. Hayata.1911]308 BHL全球
9Index plantarum Japonicarum, sive, Enumeratio plantarum omnium ex insulis Kurile, Yezo, Nippon, Sikoku, Kiusiu, Liukiu, et Formosa hucusque cognitarum systematice et alphabetice disposita adjectis synonymis selectis, nominibus Ja auctore J. Matsumura.v.2 pt.1BHL全球
10Catalogue of scientific papers (1800-1900) Comp. by the Royal society of London.1482 BHL全球
11Catalogue of scientific papers, 1800-1900.1482 BHL全球
12The Gardeners' chronicle : a weekly illustrated journal of horticulture and allied subjects. ser.3 v.52 191226 BHL全球
131997 IUCN red list of threatened plants199730 BHL全球
14Checklist of CITES Species1998269 BHL全球
15Checklist of CITES Species1998270 BHL全球
16Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora2003269 BHL全球
17Checklist of CITES Species1998308 BHL全球
18Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora2001278 BHL全球
19World Plant Conservation Bibliography1990618 BHL全球
20American fern journal.v.75-76 (1985-1986)198513 BHL全球