Ptychostomum pallens (Sw.) J.R.Spence

Species

Bryophytes > Bryales > Bryaceae > Ptychostomum

Characteristics

Plants in dense or open turfs, pale pink, red, or rarely dull green. Stems 1-4(-6) cm, fertile stems comose, innovations evenly foliate. Leaves pink, red, or rarely green, crowded, contorted to shrunken when dry, ovate to broadly ovate-lanceolate, flat or weakly concave, 1-3.5(-4) mm, often gradually enlarged toward stem apex; base pink or green, somewhat to strongly and narrowly decurrent; margins revolute proximally, plane distally, limbidium strong, in 2 or 3 rows; apex acuminate; costa percurrent to short-excurrent, awn stout; proximal laminal cells short-rectangular, 2-3(-4):1; medial and distal cells 17-24 µm wide, 2-3:1, walls thin, . Specialized asexual reproduction rare, by leaf axil gemmae, brown-red to green, finely papillose. Sexual condition dioicous. Seta red-brown, 2-4(-6) cm, stout, straight to somewhat flexuose. Capsule yellow-brown, elongate-pyriform to clavate, somewhat curved, (3-)4-5 mm, mouth yellow-brown; ; operculum conic, apiculate; peristome usually 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 appendiculate to nodose, occasionally short. Spores 16-20(-22) µm, yellow to green.
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Identifiers

LSID 35216082
WFO ID wfo-0001213276
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INPN ID 786468
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ptychostomum pallens Mnium pallens