Fissidens usambaricus Broth.

Species

Bryophytes > Fissidentales > Fissidentaceae > Fissidens

Characteristics

Plants small, scattered, light green; terricolous. Stems 2-3 mm high, simple; in section elliptical, central strand absent, cortical cells lax, in 2-3 rows. Leaves distant, little altered dry; spathulate to ungulate, 1.2-1.4 mm long; apex obtuse; margins entire, very weakly bordered by smaller, narrower cells; costa absent. Vaginant laminae very narrow, extending of leaf length, termination of one blade marginal to submarginal; dorsal lamina gradually tapering proximally, broadly attached to stem, occasionally minutely decurrent. Laminal cells hexagonal to sub-hexagonal, 20-37 µm wide, lax; marginal cells narrower, short-rectangular; basal cells of vaginant laminae elongate-rectangular to rectangular, lax. Dioicous. Perichaetia terminal; leaves slightly larger, spathulate. Seta 2-3 mm long, yellowish; capsule ± erect, urn short-elliptical, 0.4-0.6 mm long, yellowish; exothecial cells quadrate, corners strongly thickened; peristome teeth deeply cleft, red-brown; operculum rostrate, 0.4 mm long; calyptra small, just covering operculum; spores round, 10-12 µm, weakly papillose.
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Distribution

Fissidens usambaricus world distribution map, present in South Africa

Identifiers

LSID 35159643
WFO ID wfo-0001181921
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Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Fissidens usambaricus Fissidens chevalieri