Holomitrium cylindraceum var. cucullatum (Besch.) Wijk & Margad.

Variety

Bryophytes > Dicranales > Dicranaceae > Holomitrium > Holomitrium cylindraceum

Characteristics

Plants of medium size, in loose tufts, dark green to light green above; saxicolous or corticolous. Stems erect, 10-20 mm tall, frequently branched, tomentose below; in section round, central strand present, small, inner cortical cells of medium size, in 5-6 rows, outer cortical cells in single row, small, incrassate, yellow-brown. Leaves circinate above erect base dry, squarrose above base wet, keeled; acuminate above an obovate base, 2.5-4.0 mm long; apex acute, cucullate, mucronate; margins erect, entire. Costa short-excurrent; in section guide cells 2, large, ventral substereid band 1 cell thick (absent in distal section), ventral surface cells slightly larger, incrassate, dorsal stereid band 2 cells thick, dorsal surface cells larger, incrassate. Upper laminal cells quadrate to rounded, or some short-rectangular, extending down margins of upper base, mammillose ventrally; juxtacostal cells papillose dorsally; basal cells oblong, becoming longer near costa, longitudinal walls irregularly incrassate to weakly nodose, pitted; alar cells enlarged, weakly thickened, yellowish. Perichaetia terminal, leaves long convolute, oblong, abruptly short-acuminate, 8-10 mm long; leaf cells oblong throughout. Seta 10-13 mm long, yellow; capsule erect, urn cylindrical to ovate-cylindrical, 3.0-3.5 mm long, yellowish; peristome yellowish red, teeth irregularly perforated or cleft to base, finely ornate-papillose; operculum rostrate; calyptra cucullate; spores round, 14-17 µm, granulate.
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Foliage retention deciduous
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Mature height (meter) 0.01 - 0.02
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Soil texture 7-8
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Cultivation

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Distribution

Holomitrium cylindraceum var. cucullatum world distribution map, present in South Africa

Identifiers

LSID 35182070
WFO ID wfo-0001194265
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INPN ID 823531
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Holomitrium vaginatum f. cucullatum Holomitrium flagellare Holomitrium cylindraceum var. cucullatum