Cyperus lupulinus subsp. lupulinus

Endemic
Synonyms: Cyperus bushii Britton
Treatment appears in FNA Volume 23. Treatment on page 176.
Revision as of 00:37, 30 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

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

V23 296-distribution-map.jpg

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.

black +  and dark-brown +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
ellipsoid +
0.8mm;1.2mm +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
obtuse;entire;mucronate +
Gordon C. Tucker* +, Brian G. Marcks* +  and J. Richard Carter * +
(Sprengel) Marcks +
persistent +  and deciduous +
decurrent +
Scirpus lupulinus +
w--shaped +  and keeled +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
horizontal +  and reflexed +
6 cm60 mm <br />0.06 m <br /> (25 cm250 mm <br />0.25 m <br />) +
parallel +  and divergent +
terete +, rolled +  and plicate +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
10 cm100 mm <br />0.1 m <br /> (50 cm500 mm <br />0.5 m <br />) +
scabridulous +
trigonous +
0.4mm;1.7mm +
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. +  and Wis. +
0–1700 m +
off-white +  and light reddish-brown +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
ovate-elliptic +
0.2 cm2 mm <br />0.002 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
hypogynous +  and subtending +
biconvex +  and trigonous +
Well-drained, open roadsides, fields, prairies +
subumbellate +  and capitate +
spreading +  and erect +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
12 cm120 mm <br />0.12 m <br /> (?) +  and 40 cm400 mm <br />0.4 m <br /> (?) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
0.005 cm0.05 mm <br />5.0e-5 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
with (1-)3-6(-30) bristles and/or scales +
Fruiting summer +
2-3(-4)-carpellate +
antrorse +  and extrorse +
3 (?) +  and 1 (?) +
Trans. Wisconsin Acad. Sci. +
conspicuous +
unequal +
1 +  and 4 +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
beaded +  and knotted +
adventitious +
basal +  and proximal +
cylindric;compressed +
cylindric +
0.8 cm8 mm <br />0.008 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
15 +  and 40 +
oblong-lanceoloid;compressed +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
2-3-fid +
1 cm10 mm <br />0.01 m <br /> (?) +
Cyperus bushii +
Cyperus lupulinus subsp. lupulinus +
Cyperus lupulinus +
subspecies +
tuberous +, stoloniferous +  and rhizomatous +
herb +  and cespitose +