Ptychostomum lonchocaulon (Müll.Hal.) J.R.Spence

Species

Bryophytes > Bryales > Bryaceae > Ptychostomum

Characteristics

Plants in dense or open turfs, green or yellow-green. Stems 1-2(-3) cm, comose, innovations comose or somewhat elongate and evenly foliate; somewhat radiculose. Leaves green, twisted to contorted when dry, ovate-lanceolate, flat to weakly concave, (1-)2-3 mm, not much enlarged toward stem apex; base not decurrent; margins revolute to mid leaf or beyond, limbidium strong, in (2-)3-4(-6) rows, ; apex acuminate; costa long-excurrent, awn ± smooth; proximal laminal cells 3-4:1, same width or sometimes wider than more distal cells; medial and distal cells rhomboidal, (12-)14-20µm wide, 3-4:1, walls thin to firm, . Specialized asexual reproduction absent. Sexual condition polyoicous, mixed synoicous and with male-only gametangia. Seta 1-2(-3) cm. Capsule brown, elongate-pyriform, symmetric, 2-4 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 broadly ovate perforations, cilia long, appendiculate. Spores (12-) 14-18(-20) µm, finely papillose, pale brown-yellow or green.
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Cultivation

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Identifiers

LSID 35216077
WFO ID wfo-0001213271
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ptychostomum lonchocaulon