''Cryptomitrium'' is a genus of complex thalloid liverworts in the family Aytoniaceae. The genus name means “hidden turban” in reference to the inconspicuous sheath around the immature sporangium.

Description

Sporophyte A sporophyte () is the diploid multicellular stage in the life cycle of a plant or alga which produces asexual spores. This stage alternates with a multicellular haploid gametophyte phase. Life cycle The sporophyte develops from the zygote pr ...

bearing receptacles are unlobed on elongate, somewhat grooved stalks, which appear pale throughout or brownish purple near the base. The receptacle is a convex-expanded disc, thinning towards the margins. Mature sporangia are brown, nearly spherical with very short seta, three to seven per receptacle, each opening by a lid-like operculum. The sporangia mature in early spring.

Species

*'' Cryptomitrium himalayense'' Kashyap *'' Cryptomitrium oreades Perold *''

Cryptomitrium tenerum ''Cryptomitrium tenerum'' is a species of liverwort native to North America. It is the only representative of its genus on the continent. Description Like most other Marchantiales, it has a flat, dichotomously branched thallus, which in this s ...

'' (Hook.) Austin ex Underw.

References

{{Taxonbar, from=Q17295670 Aytoniaceae Marchantiales genera