Tag: botany

The heart-shaped prothallus is the characteristic feature of ferns and mainly belong to Polypodiaceae. They show polarity and dorsoventrally. The prothallus contains both the antheridia and archegonia which are embedded in the prothallus. Since it forms the male and female gametes the prothallus -is considered as the gametophyte.

Pteridophytes are cryptogamae, they are Non-flowering plants whereas phanerogams are flowering plants and are further classified as monocots and Dicots.

Araucaria imbricata is widely known by the common name Monkey's puzzle tree, a gymnosperm native to Chile.

Adiantum -Maiden Hair fern ( because of shining,smooth and blackish hair like petioles ).

Equisetum is characterized by its distinct jointed, ribbed, and green stems, which are capable of photosynthesis.

Lycopodium is a genus of club mosses that are homosporous, meaning they produce only one type of spore.

Lycopodium leaves are small, simple, and lack a ligule, making them eligulate. Ligulate leaves are characteristic of Selaginella.

In the life cycle of pteridophytes, the sporophyte is diploid and produces spores through meiosis within the sporangia.

Circinate vernation is characteristic feature of division filicophyta  (e.g.,Dryopteris) while Selaginella include in division lycophyta.