Dawsonia
Quick Summary
Dawsonia is a genus of large, tufted, erect mosses found in Australasia and the East Indies. These mosses are characterized by their dorsiventral capsule and a peristome that is subtended by numerous filamentous hairs. The genus Dawsonia is the type genus for the family Dawsoniaceae and is also sometimes included within the order Polytrichales. The order Dawsoniales is defined by these mosses and differs from Polytrichales primarily in the form of the capsule and the size of the gametophore.12
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bryophyteGeneral features…feet) in height (the moss Dawsonia) or, if reclining, reach lengths of more than 1 metre (3.3 feet; the moss Fontinalis). They are generally less than 3 to 6 cm (1.2 to 2.4 inches) tall, and reclining forms are usually less than 2 cm (0.8 inch) long. Some, however, are…
Read More…feet) in height (the moss Dawsonia) or, if reclining, reach lengths of more than 1 metre (3.3 feet; the moss Fontinalis). They are generally less than 3 to 6 cm (1.2 to 2.4 inches) tall, and reclining forms are usually less than 2 cm (0.8 inch) long. Some, however, are…
Read More- bryophyteAnnotated classification
…teeth and no membrane in Dawsonia); spores very small and released gradually through spaces between the teeth; spore layer forming a cylinder around central columella; gametophores erect, often with complex internal conducting system in stems and often leaves; leaves with numerous chlorophyllose elongate flaps on upper face; widely distributed throughout…
Read More…teeth and no membrane in Dawsonia); spores very small and released gradually through spaces between the teeth; spore layer forming a cylinder around central columella; gametophores erect, often with complex internal conducting system in stems and often leaves; leaves with numerous chlorophyllose elongate flaps on upper face; widely distributed throughout…
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