1994
DOI: 10.15298/arctoa.03.01
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False columella and spore release in Tetraplodon angustatus (Hedw.) Bruch et Schimp. in B. S. G. and T. mnioides (Hedw.) Bruch et Schimp. in B. S. G. (Musci: Splachnaceae)

Abstract: The capsule development of Tetraplodon angustatus and T. mnioides was studied by placing emphasis on spore releasing mechanism. The same developmental pattern is observed in both species. Inside the capsule with multi-layered archesporium, a false columella (the axial tissue cylinder below the true columella) begins to develop. This structure consists of small cells. When the capsule matures and opens, the true columella degenerates while the false columella develops further by cell elongation. Spores are push… Show more

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