Ptychostomum pseudotriquetrum (Hedw.) J.R.Spence & H.P.Ramsay

Species

Bryophytes > Bryales > Bryaceae > Ptychostomum

Characteristics

Plants in dense turfs, green, red-green, or yellow-green, older shoots becoming red-brown. Stems 2-4(-6) cm, tufted, weakly comose to evenly foliate, innovations elongate and evenly foliate; usually strongly radiculose well toward stem apices. Leaves green, red-green, or yellow-green, dull brown-red or brick red with age, somewhat twisted to contorted when dry, ovate, flat to weakly concave, (1-)2-3(-4) mm, not much enlarged toward stem apex; base strongly and narrowly decurrent; margins revolute to mid leaf or beyond, limbidium strong, in 2 or 3 rows; apex acute; costa short-excurrent, awn smooth; proximal laminal cells short-rectangular, 3:1, same width or somewhat wider than more distal cells; medial and distal cells rhomboidal, 14-22 µm wide, (2-)3:1, walls firm to often incrassate. Specialized asexual reproduction occasional, by leaf axil gemmae, brown. Sexual condition dioicous. Seta 1-3(-4) cm. Capsule brown, elongate-ovate, symmetric, 3-5 mm, mouth yellow; operculum conic, apiculate; peristome well developed; exostome teeth yellow basally, hyaline distally, lamellae usually straight mid tooth, pores absent along mid line; endostome not adherent to exostome, basal membrane high, 1/2 exostome height, segments with ovate perforations, cilia long, appendiculate. Spores 12-18 µm, finely papillose, pale yellow or green.
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Cultivation

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Identifiers

LSID 35216095
WFO ID wfo-0001213289
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INPN ID 770929
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Bryum austroaffine Bryum tasmanicum Ptychostomum pseudotriquetrum Bryum rubiginosum

Lower taxons

Ptychostomum pseudotriquetrum var. bimum