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Haplomitriopsida

Haplomitriopsida
Sistematika
Carstvo:Plantae
Divizija:Marchantiophyta
Razred:Haplomitriopsida
Stotler & Crand.-Stotl.
Baze podataka

Haplomitriopsida, razred jetrenjarki (Marchantiophyta). Sastoji se od dva reda i 32 priznatih vrsta. Predstavnika ima po svim kontinentima, osim Afrike.[1] Ime je došlo po rodu Haplomitrium po kojem je imenovana i poorodica Haplomitriaceae.

Fosilni rod Gessella datira iz ranog perma[2]

Opis

U razredu Haplomitriopsida biljke su akrokarpne, a gametofit lisnat. Općenito, stabljike su sposobne lučiti obilne količine sluzi, koja se ispušta iz epidermalnih stanica.[3]

Gametangiji su tipično smješteni u pazušcima listova ili režnjića. Međutim, vrijedno je napomenuti da se arhegonije i anteridije obično ne razlikuju od okolnog tkiva gametofita.[3]

Sporofiti, koji su relativno veliki, općenito se otvaraju duž četiri linije dehiscencije.[3]

Redovi

  1. Ordo Calobryales
  2. Ordo Treubiales

Izvori

  1. ↑ GBIF Pristupljeno 19. prosinca 2023.
  2. ↑ HAPLOMITRIACEAE Dedecek
  3. ↑ a b c Introduction to Bryophytes Pristupljeno 19. prosinca 2023.

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