Aloina rigida var. rigida

Treatment appears in FNA Volume 27. Treatment on page 617.

Plants to 2.5 mm. Leaves short-lingulate to ligulate, 0.5–2.5 mm, margins entire to irregularly denticulate, differentiated at base, apex cucullate; costa subpercurrent to percurrent, filaments of 3–9 cells, cells cylindric to spheric; cells of leaf base 11–88 µm, medial and distal cells 9–40 µm, papillae none. Sexual condition dioicous. Seta 4.5–17 mm. Capsule urn ovoid-cylindric, 1.7–3.4 mm; operculum conical to subulate, long-rostrate, 1.2–1.9 mm; peristome 1200–1750 µm, strongly twisted. Spores 11–22 µm.


Phenology: Capsules mature Jun–Aug(-Oct).
Habitat: Rocks, banks, clay, sandy or gravelly soil in deserts, plains or conifer forests
Elevation: moderate to high elevations (1000-3000 m)

Distribution

V27 900-distribution-map.gif

Alta., B.C., N.B., N.S., Nunavut, Ont., Yukon, Colo., Ill., Iowa, Kans., Mont., Nebr., N.Mex., Tex., Mexico (Nuevo León), Mexico (Querétaro), Mexico (Zacatecas), South America, Europe, Asia, Africa

Discussion

The ovoid-cylindrical capsule with a long peristome and long-rostrate operculum as well as the differentiated basal leaf margins are the distinguishing features of var. rigida. Despite recent reports from California, this species has not been confirmed from that state.

Selected References

None.

Lower Taxa

None.

"um" is not declared as a valid unit of measurement for this property.

... more about "Aloina rigida var. rigida"
elongate +  and quadrate +
persistent +  and deciduous +
of 1-2 rows +  and differentiated +
long-excurrent +  and short-excurrent +
Claudio Delgadillo M. +
(Hedwig) Limpricht +
reniform +  and rounded +
papillose +  and smooth +
usually slightly wider +
rectangular +
differentiated +
auriculate +
Barbula rigida +
obovoid +
cucullate +
cleistocarpous +  and stegocarpous +
inclined +  and erect +
cylindric;ovoid-cylindric +
ovoid-cylindric +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.34 cm3.4 mm <br />0.0034 m <br />) +
monoicous +, dioicous +  and sexual +
flat to bulging +
3 (?) +  and 9 (?) +
cylindric +  and spheric +
tomentose +  and bare +
subpercurrent +
Alta. +, B.C. +, N.B. +, N.S. +, Nunavut +, Ont. +, Yukon +, Colo. +, Ill. +, Iowa +, Kans. +, Mont. +, Nebr. +, N.Mex. +, Tex. +, Mexico (Nuevo León) +, Mexico (Querétaro) +, Mexico (Zacatecas) +, South America +, Europe +, Asia +  and Africa +
moderate to high elevations (1000-3000 m) +
differentiated +
multicellular +
Rocks, banks, clay, sandy or gravelly soil in deserts, plains or conifer forests +
yellow +  and orange-red or red +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
concave;keeled;channeled;ovoid;lanceolate or lingulate +
short-lingulate +
reduced +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
dentate +  and entire +
entire +  and irregularly denticulate +
differentiated +
inclined +  and erect +
long-rostrate;conical;subulate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
photosynthetic +
compound +, simple +, hollow +  and solid +
dioicous +  and sexual +
flattened +  and 2-fid +
lateral +  and terminal +
lateral +  and terminal +
red +, orange +  and yellow +
consisting of 16 mostly 2 times cleft spiculose striate or papillose lanceolate teeth , , , , +  and rudimentary +
Capsules mature Jun–Aug(-Oct). +
Laubm. Deutschl. +
straight +
elongate +
0.45 cm4.5 mm <br />0.0045 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
2 +  and 1 +
spheric +
rounded-triangular +  and rounded-pentagonal +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Aloina rigida var. rigida +
Aloina rigida +
variety +
ovoid;cylindric +
yellow distally and red +, orange +, red +  and yellow +
dioicous +  and monoicous +
stemless +  and perigoniate +
occasionally smaller than the perichaetiate +