Fissidens ventricosus Lesq.

Fissidens moss (en)

Species

Bryophytes > Fissidentales > Fissidentaceae > Fissidens

Characteristics

Plants to 25 × 3.5 mm. Stem unbranched and branched; axillary hyaline nodules absent; central strand weak. Leaves as many as 35 pairs, lanceolate to oblong-lingulate, acute to obtuse-apiculate; to 5 × 0.9 mm; dorsal lamina narrowed proximally, ending at insertion, not decurrent; vaginant laminae 1/2-2/3 leaf length, equal; margin ± entire, limbate on all laminae, limbidium reaching apex or ending a few cells before apex and a few cells above insertion of dorsal lamina, limbidial cells 3-to 6-stratose; costa ± percurrent, bryoides-type; laminal cells 1-stratose, or variably 2-stratose, smooth, slightly bulging, firm-walled, irregularly quadrate to hexagonal, 8-13 µm, ± twice as deep as wide. Sexual condition probably rhizautoicous; perigonia not seen; perichaetia on elongate stems. Sporophytes 1-2 per perichaetium. Seta stout, to 3 mm, geniculate. Capsule theca emergent, erect, radially symmetric, to 1.2 mm; peristome bryoides-type; operculum 0.4 mm. Calyptra not seen. Spores 23-40 µm.
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Identifiers

LSID 35159653
WFO ID wfo-0001181928
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Fissidens ventricosus