Ptychomitrium subcrispatum Thér. & P.de La Varde

Species

Bryophytes > Grimmiales > Ptychomitriaceae > Ptychomitrium

Characteristics

Plants medium-sized, loosely caespitose,dark green; saxicolous or terricolous. Stems 25(-40) mm tall, irregularly branched. Leaves incurved or appressed, with crisped apexdry, erect-spreading wet; linear-lanceolate to ovate-or oblong-lanceolate, (2.5-)3.5-4.5(-5.0)mm long; acute to subcucullate; margins bi-stratose, upper lamina unistratose, frequentlywith bistratose patches. Costa percurrent, dorsaland ventral superficial cells smooth; in sectionbulging dorsally, guide cells 6, distinct, ventralstereid band 3 or 4 cells thick, ventral surfacecells large and thin-walled, becoming smallerand thickened distally, dorsal stereid band 4 or 5cells thick, dorsal surface cells small and thick-ened, not differentiated distally. Upper laminalcells rounded-quadrate, becoming transverselyrectangular towards margins, 8.0-11.5 µm, ±heterogeneous; basal cells short-rectangular to rectangular, thin-walled, yellowish. Seta variable, 1.0-3.5(-10.0) mm long, yellow to brown. Capsule short-cylindrical, 1.2-1.5 mm, brownish. Peristome teeth cleft and perforated, ornately papillose. Operculum rostrate. Calyptra mitrate, 1 mm long, long-beaked. Spores round, 14-16 µm, brownish, granulate.
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Plants dark green. Stems 10-40 mm long. Leaves incurved or appressed with crisped apex when dry, linear-lanceolate to ovate-or oblong-lanceolate, up to 5 mm long, unistratose with bistratose patches; apex acute to subcucullate; margins bistratose; costa percurrent. Upper laminal cells rounded-quadrate to transversely rectangular towards margins, basal cells rectangular. Capsule short-cylindrical, peristome teeth cleft and perforated.
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Mature height (meter) 0.03
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Environment

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Soil humidity 1-6
Soil texture 7-8
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Usage

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Cultivation

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Distribution

Ptychomitrium subcrispatum world distribution map, present in South Africa

Identifiers

LSID 35144189
WFO ID wfo-0001171817
COL ID 6WND8
BDTFX ID -
INPN ID 839633
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Glyphomitrium marginatum Ptychomitrium subcrispatum