Ptychostomum pendulum Hornsch.

Species

Bryophytes > Bryales > Bryaceae > Ptychostomum

Characteristics

Plants in dense or open turfs, green, red-green, or yellow-green. Stems 0.5-1(-1.5) cm, tufted, comose, innovations elongate and evenly foliate, often strongly radiculose. Leaves yellow-green to red-green, weakly to strongly contorted or shrunken when dry, ovate-lanceolate, concave, (0.4-)0.8-1.5(-2.5) mm, enlarged toward stem apex; base not decurrent; margins revolute to mid leaf, limbidium strong, in 2 or 3 rows; apex acuminate; costa long-excurrent, awn denticulate; proximal laminal cells 3-4:1, same width or narrower than more distal cells; medial and distal cells rhomboidal, 12-18 µm wide, 3-4:1, walls thin. Specialized asexual reproduction absent. Sexual condition synoicous. Seta 1-3 cm. Capsule brown, pyriform, symmetric, 2-3 mm, mouth red; operculum short-convex, apiculate; peristome reduced; exostome teeth yellow basally, hyaline distally, , lamellae indistinct, pores absent along mid line; endostome strongly adherent to exostome, basal membrane 1/3-1/2 exostome height, segments with ovate perforations, cilia reduced to nearly absent. Spores with size variable in same collections and capsules, (22-) 25-30(-36) µm, strongly papillose, pale brown.
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Foliage retention deciduous
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Identifiers

LSID 35144225
WFO ID wfo-0001171848
COL ID 5WSD6
BDTFX ID -
INPN ID 5710
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Synonyms

Bryum algovicum Ptychostomum pendulum Ptychostomum pulchellum Ptychostomum compactum