familyCyperaceae
genusEleocharis
subgenusEleocharis subg. Eleocharis
sectionEleocharis sect. Eleocharis
speciesEleocharis compressa
Eleocharis compressa var. acutisquamata
Novon 11: 249. 2001.
IllustratedEndemic
Basionym: Eleocharis acutisquamata Buckley Proc. Acad. Nat. Sci. Philadelphia 14: 10. 1863
Culms subterete to slightly compressed, to 2 times as wide as thick, (0.2–) 0.5–1 mm wide. Distal leaf-sheaths often with tooth, to 0.1 (–0.5) mm.
Phenology: Fruiting spring–summer.
Habitat: Seasonally wet seeps and depressions in calcareous grasslands, meadows, open oak woods, ditches, sometimes limestone, rarely saline marsh or lakeshores
Elevation: 10–2300 m
Distribution
B.C., Man., Sask., Colo., Ill., Iowa, Kans., Minn., Mo., Nebr., N.Mex., N.Dak., Okla., S.Dak., Tex.
Discussion
Some specimens herein included in E. compressa var. acutisquamata are intermediate with E. elliptica in their floral scales, including the single record from British Columbia. Eleocharis compressa var. acutisquamata probably occurs in Alberta; I have not seen specimens.
Selected References
None.
Lower Taxa
None.
"shortened" is not a number.
... more about "Eleocharis compressa var. acutisquamata"
falling +
terete;trigonous;biconvex +
0.4mm;2mm +
0.6mm;0.8mm +
yellow;orangebrown +
basifixed +
redbrown +
callose +
acute;acuminate +
colorless hyaline +
mostly longer than wide +
carinate +
persistent +
absent +
1;many +
2;3 +
internal +
persistent +
persistent +
amplexicaulous +
spongy;firm;hard +
0.5mm;1mm +
0-2 times as wide as thick +
not splitting +
disintegrating +
persistent +
basal +
abundant +
coarse +
spreading +
medium +
single +
bisexual +
6;20;60 +
Seasonally wet seeps and depressions in calcareous grasslands, meadows, open oak woods, ditches, sometimes limestone, rarely saline marsh or lakeshores +
Present +
pseudoumbel +
modified +
absent +
basal +
absent +
fused +
ovate +
flattened +
cancellate +
rugulose +
spinulose +
falling +
absent +
with (1-)3-6(-30) bristles and/or scales +
thin +
2-3(-4)-carpellate +
fused +
pistillate +
subtending +
stramineous;medium brown or red brown or blackish brown +
Novon +
2001 +
length +
absent +
evident +
caudex-like +
short to rather +
firm +
horizontal +
14;20 +
blunt +
adventitious +
fibrous +
empty +
arranged +
evident +
4;500 +
fertile +
2-keeled +
papery +
incomplete +
transverse +
vertical +
cylindric +
single +
ovoid +
2mm;4mm +
distinct +
papillate +
undivided +
Eleocharis compressa var. acutisquamata +
Eleocharis compressa +
variety +
free +
thin +
absent +
brown +
distinct +
0.15mm;0.3mm +
rudimentary +
stoloniferous +
perennial +
proliferating +
5;100 +