Definition of Order Psilotales
1. Noun. Lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots.
Generic synonyms: Plant Order
Group relationships: Class Psilopsida, Class Psilotatae, Psilopsida, Psilotatae
Member holonyms: Family Psilotaceae, Psilotaceae
Order Psilotales Pictures
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