Ptychostomum weigelii (Spreng.) J.R.Spence

Species

Bryophytes > Bryales > Bryaceae > Ptychostomum

Characteristics

Plants in loose low open turfs, green or rarely pinkish red. Stems 2-4(-6) cm, fertile stems comose, innovations evenly foliate. Leaves green, yellow-green, or rarely red or pink, distant, strongly contorted to shrunken when dry, ovate-lanceolate, flat, 1-3 mm, not much enlarged toward stem apex; base usually green, strongly and broadly decurrent, decurrencies almost reaching next more proximal leaf; margins revolute proximally, plane distally, limbidium weak, in 1 (or 2) rows; apex acute; costa not reaching apex to short-excurrent, awn slender; proximal laminal cells hexagonal to rectangular, 3-4:1; medial and distal cells 18-25(-30) µm wide, 2-3:1, walls thin. Specialized asexual reproduction absent. Sexual condition dioicous. Seta red-brown, 2-4 cm, slender, straight to somewhat flexuose. Capsule brown, turbinate to pyriform, symmetric, 3-4 mm, mouth yellow; operculum convex, 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 broadly perforate, cilia well developed, long, appendiculate. Spores (12-)14-18 µm, yellow or green.
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Identifiers

LSID 35216091
WFO ID wfo-0001213285
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pohlia weigelii Ptychostomum weigelii