桫椤科

Composition of both spermatophyte and pteridophyte flora of a relict Alsophila spinulosa community in Wutongqiao Nature Reserve of Leshan region was discussed. It shows the proportion of Tropic and Cathaysia elements in both spermatophyte flora and pteridophyte flora was almost 2/3 of the total at the genus level, and even more at the family level. There was a distinct ancient endemism phenomenon in spermatophyte flora, owning to being 8 relict and remnant endemism genera in the total of 9. Furthermore, the proportion of Tropic and Cathaysia elements both at family and genus level in the pteridophyte flora were much greater.

选以乐山五通桥桫椤自然保护区-桫椤群落的种子植物区系与蕨类植物区系组成为研究对象，发现种子植物区系在属的水平上热带成分与古华夏成分占到近2/3，在科的水平上则更高；种子植物区系中有9个中国特有属，其中8个为残遗或原始类型的古特有属，表现出典型的古特有现象；而在蕨类植物区系中热带成分和华夏成分所占比重更大。

Tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae.

分布于温带澳大拉西亚的树蕨，叶二回羽状分裂或三回羽状分裂，囊群位于叶的边缘；在一些分类中归入桫椤科。

The classification of the Cyatheaceae in China.

中国桫椤科植物的分类。

The classification of the Cyatheaceae in China.

文章题目中国桫椤科植物的分类。

Type genus of the Cyatheaceae: tree ferns of the tropical rain forest to temperate woodlands.

桫椤科的模式属；热带雨林至温带森林的树蕨。

In some classification systems placed in family Cyatheaceae: ornamental tree ferns with coarse gracefully drooping fronds.

在一些分类中归入桫椤科；观赏树蕨，叶下垂，粗糙而优美。

The assemblage is characterized by the flourishing of Cyatheaceae, Cheirolepidiaceae and by the appearance of number of parent plants of Callialasporites, suggesting that the Upper Xietan Formation would have been formed in a warm and quite dry environment.

这个组合以桫椤科、掌鳞杉科植物的繁盛，和出现大量Callialasporites母体植物为特点，暗示泄滩组上部形成于炎热而干旱的气候环境。

Any of numerous usually tropical ferns having a woody trunklike stem or caudex and crown of large fronds; especially Australia and New Zealand; chiefly of the families Cyatheaceae and Marattiaceae but some from Polypodiaceae.

茎或大复叶的花冠如树干的一种热带蕨类；尤其常见于澳洲和新西兰；主要属于桫椤科和观音座莲舅科，也有部分属于水龙骨科。

Island east, south, 3 free hill are folded on the west emerald green, 85 divisions a variety of 2700 protophyte are lush and green, not only have lofty and forceful tree, also have the bush that hangs down in clusters thriftily, among them not only have the Suo Luo that from dinosaur times shedding hands down such bizarre flowers and trees, still growing up to now the keep on the earth comes down the oldest plant, so-called " earthly plant old longlived person " Long Xieshu, the everywhere of tropical vegetation landscape such as parasitism, bowstring is visible.

岛东。南。西三面漫山叠翠，85科2700多种原生植物郁郁葱葱，不但有高大挺拔的乔木，也有繁茂葳蕤的灌木，其中不但有从恐龙时代流传下来的桫椤这样的奇异花木，还生长着迄今为止地球上留存下来最古老的植物，号称&地球植物老寿星&的龙血树，寄生。绞杀等热带植物景观随处可见。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。