Fissidens plumosus Hornsch.

Species

Bryophytes > Fissidentales > Fissidentaceae > Fissidens

Characteristics

Plants large, in small groups; terricolous or saxicolous. Stems 5-7 mm long, un-branched; in section elliptical, central strand present, inner cortical cells in 2-3 rows, large, incrassate, outer cells in 2-3 rows, stereids. Leaves crowded, recurved to secund wet or dry; linear, (2-)3-5 mm long; apex acute; margins elimbate, smooth below, crenulate to serrate above; costa percurrent to mucronate. Vaginant laminae half of leaf length, termination of one blade marginal to submarginal; dorsal lamina tapering proximally, generally not reaching stem, if so, decurrent by single row of cells. Upper laminal cells rounded, mixture of large (12-20 µm long) and small (7-10 µm long) cells, quadrate to short-rectangular, strongly incrassate, weakly mammillose to smooth; cells of vaginant laminae similar but becoming smaller toward margin. Dioicous. Perichaetia terminal; leaves undifferentiated. Seta 8-9 mm long, yellow-brown, bent upward from prostrate stem; capsule horizontal, urn oval, 1 mm long, reddish yellow; exothecial cells rectangular, incrassate; peristome teeth cleft to middle, reddish yellow; operculum conic-rostrate, to 0.5 mm long; spores round, 12-13 µm, spiculate.
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Distribution

Fissidens plumosus world distribution map, present in South Africa

Identifiers

LSID 35155341
WFO ID wfo-0001179011
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INPN ID 823511
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Synonyms

Fissidens boryanus Fissidens plumosus