Internel structure of polytrichum rhizome
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Polytrichum is a genus of mosses — commonly called haircap moss or hair moss — which contains approximately 70 species that cover a cosmopolitan distribution. (Less common vernacular names include bird wheat and pigeon wheat.)[citation needed]
PolytrichumMale gametophytes of Polytrichum strictum bearing antheridia.Scientific classificationKingdom:PlantaeDivision:BryophytaClass:PolytrichopsidaSubclass:PolytrichidaeOrder:PolytrichalesFamily:PolytrichaceaeGenus:Polytrichum
Hedw.
The genus Polytrichum has a number of closely related sporophytic characters. The scientific name is derived from the Ancient Greek words polys, meaning "many", and thrix, meaning "hair". This name was used in ancient times to refer to plants with fine, hairlike parts, including mosses, but this application specifically refers to the hairy calyptras found on young sporophytes. There are two major sections of Polytrichum species. The first — section Polytrichum — has narrow, toothed, and relatively erect leaf margins. The other — section Juniperifolia — has broad, entire, and sharply inflexed leaf margins that enclose the lamellae on the upper leaf surface.[1][2]. Polytrichum reproduce by vegetative and sexual methods.
PolytrichumMale gametophytes of Polytrichum strictum bearing antheridia.Scientific classificationKingdom:PlantaeDivision:BryophytaClass:PolytrichopsidaSubclass:PolytrichidaeOrder:PolytrichalesFamily:PolytrichaceaeGenus:Polytrichum
Hedw.
The genus Polytrichum has a number of closely related sporophytic characters. The scientific name is derived from the Ancient Greek words polys, meaning "many", and thrix, meaning "hair". This name was used in ancient times to refer to plants with fine, hairlike parts, including mosses, but this application specifically refers to the hairy calyptras found on young sporophytes. There are two major sections of Polytrichum species. The first — section Polytrichum — has narrow, toothed, and relatively erect leaf margins. The other — section Juniperifolia — has broad, entire, and sharply inflexed leaf margins that enclose the lamellae on the upper leaf surface.[1][2]. Polytrichum reproduce by vegetative and sexual methods.
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