贵州省赤水县桫椤调查初报

国家一级重点保护植物桫椤,目前世界上少数国家尚存,国内除华南、西南地区及台湾等少数省份外亦不多见。其中贵州省赤水县桫椤不仅面积广,且数量多,生长旺。据不完全统计,全县35个乡中,有20个乡有分布,面积

An Investigation on Cyathen spinulosa in Chishui County of Guizhou Province

Cyathen spinulosa is a rare relic palaeophyte which is widely spreaded over Chishui county and grows well. The investigation shows that C. spinulosa is mainly distributed in nc(?)th slopes of valleys and moist environments under 500m above sea level. The community is dominated by Phanerophyte, the types of its leaf are mainly small-medium, coriaceus and simple leaves. The community consists of 23 species of bryophyte and pteridophyte, 82 species of seed plant belonging to 38 families and 67 genera. Three community types and the regeneration of C.spinulosa are discussed in the paper.