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NZ Plants
Holomitrium perichaetiale
Dicranaceae
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Plants
L Jensen
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Shoot
L Jensen
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Shoot
L Jensen
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Leaves
L Jensen
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Shoot, starting to dry
L Jensen
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Shoot fully dried out
L Jensen
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Sporophyte plants with stalks (setae) bearing capsules
L Jensen
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Perichaetial bracts at base of setae
L Jensen
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Immature capsule with calyptra cover about to be shed
L Jensen
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When the calyptra is removed, the capsule lid (operculum) is often pulled off with it
L Jensen
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Operculum (left), capsule (middle) and lower portion of the calyptra (right)
L Jensen
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Operculum lid (left) removed from the tip of the capsule (right)
L Jensen
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Mature capsule, peristome in closed position
L Jensen
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Holomitrium perichaetiale is a robust moss with leaves tapering from a broad base into a long, narrow upper portion. When dry, these leaves are strongly curled. The capsule stalk (seta) is tightly sheathed by bracts (perichaetial bracts) that extend up for about one-third of the seta length. The capsule narrows above to a rather small mouth.
Widespread in New Zealand on bark or rock.
