Bryobrittonia longipes

Hedwig

Brittonia 30: 19. 1978,.

Basionym: Encalypta longipes Mitten J. Linn. Soc., Bot. 8: 29. 1864
Synonyms: Bryobrittonia pellucida R. S. Williams
Treatment appears in FNA Volume 27. Treatment on page 171.

Stems erect, 25 mm. Leaves 3–6.5 mm; laminal cells 10–25 µm, walls thin; basal-cells long-rectangular, 140 µm, walls weakly thickened, smooth; basal marginal cells weakly differentiated, longer than laminal cells. Seta 20–40 mm. Capsule ovoid-cylindric, 2–3 mm, ribbed, exothecial cells long-rectangular, walls weakly thickened; peristome teeth linear, 1 mm, papillose, erect when wet, somewhat recurved or twisted when dry; endostome almost as long as teeth. Operculum 2 mm. Calyptra campanulate, 4–8 mm, smooth. Spores 12–20 µm, papillose, brownish green.


Habitat: Calcareous soils along stream and river banks in Arctic and montane habitats

Distribution

V27 219-distribution-map.gif

Greenland, Alta., B.C., N.W.T., Nunavut, Yukon, Alaska, Europe (n Russia), c Asia

Discussion

Bryobrittonia longipes is similar to the larger, peristomate species of Encalypta (for example, E. procera) but differs in being dioicous and having laminal cells mammillose, distal leaf margins serrulate, and very long seta.

Selected References

None.

Lower Taxa

None.
... more about "Bryobrittonia longipes"
Mucronate (?) +  and Acute (?) +
Robert E. Magill +
Hedwig +
long-rectangular +
fringed +  and lacerate +
Encalypta longipes +
thin-walled +
small +
papillose +  and smooth +
campanulate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
long-exserted +
ovoid-cylindric +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
long-excurrent +
subpercurrent +
dioicous +, autoicous +  and sexual +
Greenland +, Alta. +, B.C. +, N.W.T. +, Nunavut +, Yukon +, Alaska +, Europe (n Russia) +  and c Asia +
long-rectangular +
distinct +
Calcareous soils along stream and river banks in Arctic and montane habitats +
rhombic;quadrate +
costate +  and twisted +
obovate +, elliptic +  and oblong +
0.3 cm3 mm <br />0.003 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
crenulate +  and plane +
dioicous +  and sexual +
conic-rostrate +
2 cm20 mm <br />0.02 m <br /> (?) +
c--shaped +
reduced to small +  and papillose +
recurved +  and erect +
papillose +
reddish-brown;black +
elongate +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
brownish green +
rounded +
25 cm250 mm <br />0.25 m <br /> (?) +
phaneroporous +
Bryobrittonia pellucida +
Bryobrittonia longipes +
Bryobrittonia +
species +
incrassate +
plant +  and gregarious +