Encalypta vittiana

D. G. Horton

Bryologist 82: 369, figs. 1–10. 1979,.

Treatment appears in FNA Volume 27. Treatment on page 177. Mentioned on page 173, 178.

Stems 2–10 mm, central strand present, weakly differentiated, cells small. Leaves oblong to lingulate or narrowly spathulate, 1.5–2.5 mm, apices obtuse, apiculate, margins plane; costa excurrent, smooth, narrow, shorter than lamina; laminal cells 12–20 µm; basal-cells rectangular, 20–60 µm, smooth; basal marginal cells weakly differentiated, longer than laminal cells, in 3–5 rows. Specialized asexual reproduction absent. Seta 4–7 mm, smooth, reddish. Capsule emergent, inclined, cylindric, 1.5–2.5 mm, strongly ribbed, brownish yellow to red, exothecial cells linear, walls thickened; peristome double, rudiments of exostome present as short nubs, teeth dark red, lanceolate, 0.25 mm, papillose, incurved when wet, erect when dry; operculum 1 mm. Calyptra 2.5–5 mm, fringed at base, smooth. Spores 35–37 µm, warty, brown.


Habitat: Protected sites on calcareous soils or rock in mesic tundra

Discussion

Encalypta vittiana is similar to E. rhaptocarpa but is distinct in having dark red furrows on the capsule and a fringed calyptra. Encalypta rhaptocarpa has brown to brown-red capsules and erose calyptra bases. The two species overlap in their ranges.

Selected References

None.

Lower Taxa

None.
... more about "Encalypta vittiana"
Robert E. Magill +
D. G. Horton +
rectangular +
fringed +  and lacerate +
thin-walled +
small +
papillose +  and smooth +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
furrowed +  and smooth +
brownish yellow;red +
long-exserted +
cylindric +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
subpercurrent +
autoicous +  and sexual +
N.W.T. +, Yukon +  and Alaska. +
long-rectangular +
distinct +
Protected sites on calcareous soils or rock in mesic tundra +
rhombic;quadrate +
costate +  and twisted +
oblong +  and lingulate or narrowly spathulate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
conic-rostrate +
1 cm10 mm <br />0.01 m <br /> (?) +
c--shaped +
reduced to small +  and papillose +
frequently reduced;small +
elongate +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
rounded +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 1 cm10 mm <br />0.01 m <br /> (?) +
phaneroporous +
Encalypta vittiana +
Encalypta +
species +
erect +  and incurved +
papillose +
lanceolate +
0.25 cm2.5 mm <br />0.0025 m <br /> (?) +
incrassate +
plant +  and gregarious +
small +  and medium-sized +