Ptychostomum cyclophyllum (Schwägr.) J.R.Spence

Species

Bryophytes > Bryales > Bryaceae > Ptychostomum

Characteristics

Plants in dense or open turfs, green or yellow-green. Stems0.5-3(-4) cm, fertile stems comose, innovations evenly foliate. Leaves green, somewhat distant, strongly contorted to shrunken when dry, broadly ovate to orbicular, flat or weakly concave, 0.5-3 mm, not much enlarged toward stem apex; base green, weakly decurrent; margins plane, limbidium strong, in 2 or 3 rows; apex broadly acute to obtuse; costa not reaching apex, rarely nearly percurrent, apiculus absent; proximal laminal cells long-rectangular, 3-5:1; medial and distal cells 18-24 µm wide, 2-3:1, walls thin. Specialized asexual reproduction rare, by leaf axil gemmae, brown, finely papillose. Sexual condition dioicous. Seta red or brown, 2-4(-5) cm, slender, straight to somewhat flexuose. Capsule yellow-brown to brown, obovate, symmetric, 2-4 mm, mouth yellow; operculum short-conic, weakly apiculate; peristome well developed; exostome teeth yellow basally, hyaline distally, lamellae straight, pores absent near base along mid line; endostome not adherent to exostome, basal membrane 1/2 exostome height, segments with ovate perforations, cilia long, appendiculate. Spores 14-16 µm, smooth or finely papillose, pale yellow.
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Cultivation

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Identifiers

LSID 35216073
WFO ID wfo-0001213267
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INPN ID 786472
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Synonyms

Ptychostomum cyclophyllum Mnium cyclophyllum