Cryptomitrium Oreades
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''Cryptomitrium'' is a genus of complex
thalloid Thallus (: thalli), from Latinized Greek (), meaning "a green shoot" or "twig", is the vegetative tissue of some organisms in diverse groups such as algae, fungi, some liverworts, lichens, and the Myxogastria. A thallus usually names the entire ...
liverworts in the family
Aytoniaceae Aytoniaceae is a family of liverworts in the order Marchantiales Marchantiales is an order of thallose liverworts (also known as "complex thalloid liverworts") that includes species like '' Marchantia polymorpha'', a widespread plant often fo ...
. The genus name means “hidden turban” in reference to the inconspicuous sheath around the immature sporangium.


Description

Sporophyte A sporophyte () is one of the two alternation of generations, alternating multicellular organism, multicellular phases in the biological life cycle, life cycles of plants and algae. It is a diploid multicellular organism which produces asexual Spo ...
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 A sporangium (from Late Latin, ; : sporangia) is an enclosure in which spores are formed. It can be composed of a unicellular organism, single cell or can be multicellular organism, multicellular. Virtually all plants, fungus, fungi, and many ot ...
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

This genus includes the following species: *'' Cryptomitrium himalayense''
Kashyap The Kashyap Rajput or Kashyap are a caste in India. They are sometimes called the Koshyal or Kanshilya. History ''Kashyap'' is originally one of the eight primary gotras (clans) of the Brahmins, being derived from Kashyapa, the name of a ris ...
*'' Cryptomitrium oreades'' Perold *'' Cryptomitrium tenerum'' (
Hook. Sir William Jackson Hooker (6 July 178512 August 1865) was an English botanist and botanical illustrator, who became the first director of Kew when in 1841 it was recommended to be placed under state ownership as a botanic garden. At Kew he ...
)
Austin Austin refers to: Common meanings * Austin, Texas, United States, a city * Austin (given name), a list of people and fictional characters * Austin (surname), a list of people and fictional characters * Austin Motor Company, a British car manufac ...
ex Underw.


References

{{Taxonbar, from=Q17295670 Aytoniaceae Marchantiales genera Taxa named by Lucien Marcus Underwood Taxa described in 1884