Question

Define cryptograms. Name the plant groups that comes under cryptograms. ​

Answer 1

Answer:

Cryptograms is subkingdom of kingdom plantae which don't produce external flowers or seeds.Thus,they are considered to bear hidden reproductive organs.The common mean of reproduction in cryptogram is by Spores.

Explanation:

The subkingdom cryptogram is further divided into three divisions:

1)Thallophyta

Example - algae,fungi and lichens.

2)Bryophyta

Example -Riccia,Marchantia,Anthoceros,Funaria.

3)Pteridophyta

Example - Oncelea,Marsilea,Polypodium,Equisetum.

Answer 2

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Cryptograms are plants with hidden (inconspicuous) reproductive organs.

External flowers or seeds are absent and they have naked embryos called spores. The thallophytes, the bryophytes, and the pteridophytes are collectively called cryptograms.