Question

what are vascular cryptogams ​

Answer 1

Answer:

Vascular Cryptogam is an old botanical phrase, and it refers to those vascular plants that do not make seeds. Thus, cryptogam (literally hidden gametophyte) refers to the production of a separate, usually very small, archegoniate gametophyte. These are well represented in the fossil record. Kenrick and Crane (1997) report that individual spores of land plants (these could be mosses, hornworts or vascular plants) have been found in the Lower Silurian (see the Geological Time Scale), a phase in the evolution of land plants that they refer to as "Eotracheophytic

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