Nkọwa: All Psilotaceae share a few characteristics. Ha bụ vascular osisi na ha enweghị epupụta, nwere kama obere outgrowths akpọ enations. The enations na-adịghị na-atụle ezi epupụta n'ihi na e nwere nanị a vascular ùkwù dị nnọọ n'okpuru ha, ma ọ bụghị n'ime, dị ka na epupụta. Psilotales nwekwara enweghị ezi mgbọrọgwụ. Ha na-anchored site rhizoids. Absorption na-aka site symbiotic fungi akpọ mycorrhizae. Ajụjụ: Gịnị leafless vascular osisi nwere enations?
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