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Cryptomitrium

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Genus of plants

Cryptomitrium
Cryptomitrium tenerum sporangiophore
Scientific classification Edit this classification
Kingdom: Plantae
Division: Marchantiophyta
Class: Marchantiopsida
Order: Marchantiales
Family: Aytoniaceae
Genus: Cryptomitrium
Austin ex Underw.

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 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

References

  1. ^ Schofield, W.B. (2002). Field Guide to Liverwort Genera of Pacific North America. San Francisco: Global Forest Society. pp. 92–93.
Taxon identifiers
Cryptomitrium
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