Pleuridium papillosum Magill

Species

Bryophytes > Dicranales > Ditrichaceae > Pleuridium

Characteristics

Plants minute, gregarious, yellowish green; terricolous. Stems very short, to 0.5 mm long, simple; in section round, central strand present, cortical cells large, in 3 rows, outer row reddish. Leaves spreading; lower leaves small, ovate-acute, 0.5-1.0 mm; upper and subperichaetial leaves oblong-acuminate, 1.0-1.8 mm long; apex reflected above clasping base; margins plane, crenulate above shoulders. Costa percurrent; in proximal section flattened, consisting of 5-6 substereid cells in 2-3 rows; in distal section rounded, of 8-10 substereid cells in 3 rows. Laminal cells rectangular in subula, papillose; elongate-hexagonal to rectangular at shoulders, increasing in size toward leaf base; in section gradually decreasing in size toward margin. Perigonia not seen. Perichaetia terminal; leaves falcate-secund, linear-subulate, convolute, 2.2-3.0 mm long. Seta 0.5-0.6 mm long, yellow, arcuate in opposite direction to perichaetial leaves; capsule cleistocarpic, laterally exserted; urn ovoid, short-rostrate, 0.8 mm long, reddish yellow; exothecial cells quadrate proximally and distally, median cells rectangular; stomata present around capsule base; calyptra cucullate, small, covering upper capsule only, long-beaked, 0.5 mm long; spores round, 35-38 µm, spinose.
Life form perennial
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Foliage retention deciduous
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Environment

Light -
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Soil texture 1-2
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Usage

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Edible -
Therapeutic use -
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Cultivation

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Distribution

Pleuridium papillosum world distribution map, present in South Africa

Identifiers

LSID 35100180
WFO ID wfo-0001146659
COL ID 77PXD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pleuridium papillosum