familyCyperaceae
genusCyperus
subgenusCyperus subg. Cyperus
speciesCyperus lupulinus
subspeciesCyperus lupulinus subsp. lupulinus
Cyperus lupulinus subsp. lupulinus
Culms 10–50 cm × 0.4–1.7 mm. Leaves 12–40 cm × 0.8–3.5 mm. Inflorescences: spikes loosely to densely ovoid, 8–16 mm; rays 0or 1–4, 1–6 cm; bracts 2–4, 6–25 cm. Spikelets 15–40 (–60), 6–22 × 3–4 mm; floral scales 5–22, 2.5–4 × 2–2.6 mm, margins not clasping achene. Achenes 1.7–2.2 × 0.8–1.2 mm.
Phenology: Fruiting summer
Habitat: Well-drained, open roadsides, fields, prairies
Elevation: 0–1700 m
Distribution
Ont., Ark., Colo., Conn., Del., Idaho, Ill., Ind., Kans., Ky., Mass., Mich., Minn., Mo., N.J., N.Y., N.C., Ohio, Oreg., Pa., R.I., Tenn., Tex., Vt., Va., W.Va., Wis.
Discussion
Selected References
None.
Lower Taxa
None.
"shortened" is not a number.
... more about "Cyperus lupulinus subsp. lupulinus"
sessile +
not clasping +
mature +
ellipsoid +
0.8mm;1.2mm +
basifixed +
apiculate +
obtuse;entire;mucronate +
cormose +
decurrent +
absent +
2;4 +
2;3 +
glabrous +
scabridulous +
trigonous +
0.4mm;1.7mm +
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 +
Endemic +
dense +
single +
ovoid +
spicate +
arranged +
falling +
oblong-lanceoloid;compressed +
3mm;4mm +
distinct +
papillate +
undivided +
2-3-fid +
1 cm10 mm <br />0.01 m <br /> (?) +
puncticulate +
Cyperus lupulinus subsp. lupulinus +
Cyperus lupulinus +
subspecies +
free +
thin +
perennial +
hyaline +
5;100 +