Tmesipteris

plant genus

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In plant: Order Psilotales
…two living genera (Psilotum and Tmesipteris) and several species that are restricted to the subtropics. This unusual group of small herbaceous plants is characterized by a leafless and rootless body possessing a stem that exhibits a primitive dichotomous type of branching: it forks into equal halves. The photosynthetic function is…
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