蕨类植物虽然不像生长在沙漠中的其它植物那样抗旱,但也有一些很耐旱的种类,卷柏就是其中的一种。 卷柏(Selaginella tamarisci-na),为卷柏科,卷柏属的一种矮小的草本植物。高5—20厘米,直立茎,顶端丛生小枝,小枝扇形或2—3回羽生,密生许多小鳞片,很像裸子植物柏科植物的叶。卷柏靠孢子繁殖,孢子叶卵状三角形,有龙骨状突起,孢 Although ferns are not as drought-resistant as other plants that grow in the desert, there are some very drought-tolerant species, one of which is Selaginella. Selaginella tamarisci-na is a dwarf herbaceous species of Selaginella and Selaginella. 5-20 cm tall, erect stems, apically fasciculate, branchlets fanny or 2-3-pinnate, many small scales densely resembling leaves of gymnospermoids of gymnosperms. Seabuckthorn breeding by spores, oval triangle spores, keel-like protrusions, spores