familyCyperaceae
genusCyperus
subgenusCyperus subg. Cyperus
speciesCyperus lupulinus
subspeciesCyperus lupulinus subsp. macilentus
Cyperus lupulinus subsp. macilentus
Trans. Wisconsin Acad. Sci. 62: 275. 1974.
IllustratedEndemic
Basionym: Cyperus filiculmis var. macilentus Fernald Rhodora 8: 128. 1906
Synonyms: Cyperus macilentus (Fernald) E. P. Bicknell
Revision as of 01:37, 30 July 2020 by imported>Volume Importer
Culms (3–) 10–30 (–40) cm × 0.4–0.8 mm. Leaves 5–20 cm × 0.8–2.7 mm. Inflorescences: spikes densely ovoid, 8–16 mm; rays 0 or 1–3, 1–4 cm; bracts 2–4, 4–15 cm. Spikelets 20–60, 3–7 × 2.5–3.5 mm; floral scales 3–7, 1.8–2.5 × 1.4–1.8 mm, margins clasping achene, apex mucronate, mucro 0.05–0.2 mm. Achenes 1.4–1.8 × 0.6–0.9 mm.
Phenology: Fruiting summer
Habitat: Various well-drained, open places
Elevation: 0–1000 m
Distribution
![V23 297-distribution-map.jpg](/w/images/5/55/V23_297-distribution-map.jpg)
N.B., N.S., Ont., Que., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Maine, Md., Mass., Mich., Minn., Nebr., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Vt., Va., W.Va., Wis.
Discussion
Selected References
None.
Lower Taxa
None.
"shortened" is not a number.
... more about "Cyperus lupulinus subsp. macilentus"
sessile +
clasping +
mature +
ellipsoid +
0.6mm;0.9mm +
basifixed +
apiculate +
mucronate +
cormose +
decurrent +
absent +
2;4 +
2;3 +
glabrous +
scabridulous +
trigonous +
0.4mm;0.8mm +
basal +
abundant +
3-5-ribbed +
distichous +
deciduous +
ovate-elliptic +
single +
bisexual +
pseudolateral +
pseudoumbel +
modified +
arranged +
basal +
absent +
fused +
spreading +
falling +
absent +
with (1-)3-6(-30) bristles and/or scales +
thin +
2-3(-4)-carpellate +
fused +
pistillate +
subtending +
Trans. Wisconsin Acad. Sci. +
1974 +
wingless +
deciduous +
falling +
conspicuous +
1mm;3.5mm +
singly +
unequal +
absent +
adventitious +
fibrous +
empty +
distichous +
0;76 +
fertile +
cylindric;compressed +
cylindric +
dense +
single +
ovoid +
spicate +
arranged +
falling +
oblong-lanceoloid;compressed +
2.5mm;3.5mm +
distinct +
papillate +
undivided +
2-3-fid +
1 cm10 mm <br />0.01 m <br /> (?) +
puncticulate +
Cyperus lupulinus subsp. macilentus +
Cyperus lupulinus +
subspecies +
free +
thin +
perennial +
hyaline +
5;100 +