psilophytales


Значение термина psilophytales в knolik


psilophytales - psilophytales
psilophytales - Order of extinct, palaeozoic Pteridophyta that flourished in the Devonian. Oldest land plants known, with very primitive organization. Small, rhizomatous plants with dichotomously branched aerial shoots a few mm. to about a cm. in diameter, leafless or with many small leaves, with simple protostelic, vascular system; bearing apical sporangia.

Рядом со словом psilophytales в knolik


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psilopsida

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