The trunk of a palm or tree fern 棕櫚樹(shù)或樹(shù)蕨的樹(shù)干
Was giant tree fern living in the early pennsylvanian 325 million years ago 屬大型蕨木生長(zhǎng)于賓夕法尼亞紀(jì)早期約三億二千五百萬(wàn)年前。
It is an area of lush green meadows and groves of towering ancient trees , as well as rare plants such as dove trees and tree ferns :位于大足縣東南邊陲,為省級(jí)森林公園。林區(qū)濃蔭覆蓋,古木參天。
The variety of plant life found within the park include agathis , mountain ru , tree ferns , different species of orchids and begonia 公園氣候炎熱潮濕,雨量豐沛,使之成為一座巨大的天然熱帶植物園動(dòng)物園
They are classified into 6 ecological types : terrestrial ferns , tree ferns , epiphytic ferns , vine ferns , aquatic ferns and rock ferns according to their growth localities 蕨類(lèi)植物按生長(zhǎng)的地理位置可分為陸生蕨類(lèi)、樹(shù)蕨類(lèi)、附生蕨類(lèi)、藤本蕨類(lèi)、水生蕨類(lèi)、石生蕨類(lèi)。