familyCyperaceae
genusEleocharis
subgenusEleocharis subg. Eleocharis
sectionEleocharis sect. Eleogenus
speciesEleocharis flavescens
Eleocharis flavescens var. flavescens
Common names: Pale spikerush
Illustrated
Synonyms: Eleocharis flavescens var. thermalis Eleocharis thermalis
Culms to 42 cm. Floral scales brown to stramineous. Flowers: perianth bristles vestigial to slightly exceeding achene, rarely longer. Achenes redbrown to dark-brown when ripe, 0.4–0.8 (–1.1) × 0.3–0.6 mm, apex rarely highly constricted proximal to tubercle. Tubercles 0.2–0.5 × 0.2–0.4 mm. 2n = 30.
Phenology: Fruiting mid spring–winter.
Habitat: Brackish creeks, canal banks, dune depressions, hammocks, hot springs, irrigation ditches, maritime mud flats, salt marshes
Elevation: 0–300(–1600) m
Distribution
Ala., Ariz., Ark., Calif., Fla., Ga., Idaho, La., Miss., Mont., N.C., S.C., Tex., Utah, Va., Wyo., West Indies, South America
Discussion
Selected References
None.
Lower Taxa
None.
"shortened" is not a number.
... more about "Eleocharis flavescens var. flavescens"
reticulate +
prominent +
obovoid;trigonous;biconvex +
0.3mm;0.6mm +
keeled +
basifixed +
proximal +
acute;acuminate +
persistent +
absent +
1;many +
2;3 +
internal +
Pale spikerush +
terete +
spongy +
0.3mm;0.6mm +
membranous-translucent +
disintegrating +
persistent +
wrinkled +
inflated +
basal +
abundant +
elliptic +
membranous +
single +
bisexual +
Brackish creeks, canal banks, dune depressions, hammocks, hot springs, irrigation ditches, maritime mud flats, salt marshes +
Present +
pseudoumbel +
modified +
absent +
basal +
absent +
fused +
flattened +
vestigial +
falling +
absent +
with (1-)3-6(-30) bristles and/or scales +
thin +
2-3(-4)-carpellate +
fused +
pistillate +
subtending +
not amplexicaulous +
stramineous;medium brown or red brown or blackish brown +
Symb. Antill. +
1903 +
creeping +
caudex-like +
adventitious +
fibrous +
empty +
arranged +
4;500 +
fertile +
2-keeled +
incomplete +
transverse +
cylindric +
Illustrated +
single +
ellipsoid +
1mm;3.5mm +
dense +
distinct +
papillate +
undivided +
Eleocharis flavescens var. flavescens +
Eleocharis flavescens +
variety +
free +
thin +
absent +
whitish;stramineous or green +
distinct +
0.2mm;0.5mm +
compressed +
5;100 +