Ptychostomum calophyllum (R.Br.) J.R.Spence

Species

Bryophytes > Bryales > Bryaceae > Ptychostomum

Characteristics

Plants in dense or open turfs, green, yellow-green, or brown. Stems 1-3 cm, fertile stems comose, innovations evenly foliate. Leaves yellow-green to yellow-brown, somewhat distant, weakly contorted to somewhat imbricate when dry, broadly ovate, concave or sometimes flat, 0.5-2.5(-3) mm, enlarged toward stem apex; base red near costa, green otherwise, not decurrent; margins usually plane, limbidium moderately strong, in (1-)2-3 rows; apex obtuse to broadly acute; costa not reaching apex to percurrent, apiculus sometimes present, short, blunt; proximal laminal cells long-rectangular, (3-)4-5:1; medial cells somewhat longer, walls incrassate; distal cells 12-25µm wide, 2-3:1, walls incrassate. Specialized asexual reproduction absent. Sexual condition autoicous. Seta red-brown, 2-4 cm, stout, straight to somewhat flexuose. Capsule yellow-brown, ovate, symmetric, 2-3 mm, mouth yellow to yellow-orange; ; operculum short-conic, apiculate; peristome reduced; exostome teeth red to red-brown or yellow-brown basally, hyaline distally, lamellae curved mid tooth, pores absent or rarely a few present at base of teeth; endostome not adherent to exostome, basal membrane less than 1/2 exostome height, segments with lanceolate to slitlike perforations, cilia absent or rudimentary. Spores with size often variable in same capsule, (28-)30-40 µm, yellow or brown.
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Foliage retention deciduous
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Cultivation

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Identifiers

LSID 35216070
WFO ID wfo-0001213264
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INPN ID 963828
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Wikipedia (FR)

Synonyms

Ptychostomum calophyllum