Brachymenium dicranoides (Hornsch.) A.Jaeger

Species

Bryophytes > Bryales > Bryaceae > Brachymenium

Characteristics

Plants small, forming turfs, yellowish green to brownish green; terricolous or occasionally saxicolous. Stem 2-4(-7) mm long, sparsely radiculose below; in section cortical cells in 2-3 rows. Leaves small, ± concave, appressed to erect dry, erect-spreading wet; ovate to ovate-lanceolate or elliptical, (0.3-)0.5-0.8(-1.0) mm long; apex acute to acuminate, frequently cuspidate; margins generally plane, entire. Costa short-to long-excurrent, yellow to yellow-brown or brown, awn smooth, 0.1-0.3 mm long; in section bulging dorsally, ventral cells in single layer, large, thin-walled, dorsal stereid band 2-4 cells thick, dorsal surface cells smaller than ventral cells, incrassate. Upper laminal cells mostly 3-5: 1, rhomboidal to oblong-rhomboidal, (20-)25-40(-65) µm long, (5-)8-10(-13) µm wide, occasionally incrassate; marginal cells frequently rectangular, not forming distinct border; basal cells weakly differentiated, quadrate to rectangular. Propagulae infrequent, bud-like, axillary. Perichaetial leaves ovate-lanceolate to lanceolate, costa excurrent. Seta 4-15 mm long, red-yellow, reddish brown or yellow-brown; capsule suberect to horizontal, cylindrical-pyriform to pyriform, (0.6-)0.8-1.6 mm long, yellowish brown or reddish brown, mouth small, neck wrinkled dry; exothecial cells irregular to subrectangular, incrassate, smaller at mouth, transversely rectangular; peristome teeth linear, 250-400 µm long, hyaline above, yellow to yellow-brown below, finely papillose, endostome fragile, basal membrane 1/2 height of teeth, segments linear, narrowly perforated, just shorter than teeth, cilia absent; operculum conical; spores round, 10-15 µm, yellow-brown with age, weakly papillose.
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Distribution

Brachymenium dicranoides world distribution map, present in South Africa

Identifiers

LSID 35113954
WFO ID wfo-0001154741
COL ID MX6Y
BDTFX ID -
INPN ID 846829
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Brachymenium dicranoides Bryum dicranoides Bryum liliputanum Bryum neesii