Didymodon nicholsonii Culm.

Species

Bryophytes > Pottiales > Pottiaceae > Didymodon

Characteristics

Plants green to dark green, usually with a reddish cast. Stems to 2 cm, central strand present. Stem leaves appressed to weakly spreading when dry, spreading and not keeled when moist, monomorphic, long-ovate or occasionally ovate-lanceolate, rarely lanceolate, grooved adaxially along the costa, especially near leaf apex, to 3.5 mm, base scarcely differentiated to ovate or oblong in shape, margins narrowly recurved in proximal 3/4 of leaf, entire, apex acute to blunt, not fragile; costa percurrent or ending before the apex, not strongly spurred, not much widened or tapering, lacking an adaxial pad of cells, adaxial costal cells quadrate to short-rectangular, ca. 6 cells wide at mid leaf, guide cells in 1(-2) layers; basal laminal cells very weakly differentiated medially, walls thin to weakly thickened, quadrate to short-rectangular, not perforated; distal laminal cells 7-9 µm wide, 1:1, nearly smooth or papillae simple or 2-fid, 2-3 per lumen, lumens rounded-quadrate, walls thickened, weakly convex on both sides of lamina, 2-stratose in distal leaf half or occasionally only in patches or very rarely 1-stratose, cells of distal leaf margins 2-stratose or occasionally entire leaf 2-stratose distally. Specialized asexual reproduction absent. Seta ca. 1.2 cm. Capsule 1.5-2.1 mm; peristome teeth 32, linear, twisted 1/2 times to once, to 1000 µm. Spores 11-13 µm. Distal laminal KOH reaction light to dark red-brown, occasionally deep red-orange.
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Foliage retention deciduous
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Cultivation

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Identifiers

LSID 35132017
WFO ID wfo-0001164375
COL ID 35YVK
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INPN ID 434198
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Didymodon nicholsonii Didymodon vinealis var. nicholsonii