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Achene architecture
stipitate +
Achene coloration
brown +
Achene condition or size
contracted +
Achene length
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
Achene shape
ellipsoid +
Achene width
0.3mm;0.4mm +
Anther fixation
basifixed +
Anther some measurement
0.5 cm5 mm <br />0.005 m <br /> (?) +
Apex course
straight +
Apex pubescence
glabrous +
Apex relief
scabridulous +
Apex shape
tapering;acute;excurved;mucronate;acute +
Author
Gordon C. Tucker* +, Brian G. Marcks* +  and J. Richard Carter * +
Authority
Torrey & Hooker +
Base duration
persistent +  and deciduous +
Base shape
decurrent +
Blade presence
absent +
Blade prominence or shape
flat +
Blade shape
w--shaped +  and keeled +
Bract architecture
glumaceous +  and foliaceous +
Bract arrangement
2-ranked +  and arranged +
Bract atypical length
12 cm120 mm <br />0.12 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Bract atypical width
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Bract length
3 cm30 mm <br />0.03 m <br /> (12 cm120 mm <br />0.12 m <br />) +
Bract orientation
erect +  and ascending +
Bract quantity
3;6 +
Bract shape
flat +  and v-shaped +
Bract width
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Branch atypical quantity
3 (4) +
Branch quantity
2;3 +
Bristle atypical quantity
6;30 +
Bristle quantity
3;6 +
Cauline leaf architecture or shape
folded +
Cauline leaf arrangement
parallel +  and divergent +
Cauline leaf arrangement or course or shape
linear +
Cauline leaf orientation
Ascending (?) +
Cauline leaf prominence or shape
flat +
Cauline leaf shape
terete +, rolled +  and plicate +
Culm architecture or arrangement or growth form
not +  and solitary +
Culm atypical length
30 cm300 mm <br />0.3 m <br /> (45 cm450 mm <br />0.45 m <br />) +
Culm length
20 cm200 mm <br />0.2 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Culm position or shape
distal +
Culm pubescence
glabrous +
Culm quantity
1/2 (?) +
Culm relief
scabridulous +
Culm shape
trigonous +
Culm width
0.4mm;1.2mm +
Distal scale architecture
empty +
Distribution
Ala. +, Ariz. +, Ark. +, Calif. +, Colo. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, N.H. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, Pa. (?) +, S.Dak. +, Tenn. +, Tex. +, Utah +, Va. +, Wash. +, Wyo. +, Mexico (Coahuila) +  and Mexico (Tamaulipas) +
Elevation
0–1500 m +
Embryo position
basal +
Endosperm quantity
abundant +
Floral scale architecture or shape
1-ribbed +
Floral scale arrangement
distichous +
Floral scale atypical quantity
20 (35) +
Floral scale coloration
greenish brown +, light-brown +, light reddish-brown +, yellowish green +  and yellowish +
Floral scale duration
deciduous +
Floral scale length
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Floral scale quantity
8 (20) +
Floral scale shape
ovatelanceolate +  and 2-keeled +
Floral scale width
0.1 cm1 mm <br />0.001 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
Flower position
hypogynous +  and subtending +
Flower quantity
single +
Flower reproduction
bisexual +
Fruits achene shape
biconvex +  and trigonous +
Habitat
Wet, often sandy shores and damp, disturbed soils +
Head architecture
digitate +, glomerulate +  and umbellate +
Head arrangement
cluster +
Head diameter
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Head shape
hemispheric +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Inflorescence architecture
subumbellate +  and capitate +
Inflorescence position
pseudolateral +
Inflorescence position or structure subtype
terminal +
Inflorescences panicle architecture
pseudoumbel +
Inflorescences panicle development
modified +
Involucral-bract architecture or shape
leaflike +
Involucral-bract arrangement
arranged +
Involucral-bract orientation
spreading +  and erect +
Involucral-bract quantity
1;22 +
Leaf arrangement
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
Leaf atypical length
12 cm120 mm <br />0.12 m <br /> (16 cm160 mm <br />0.16 m <br />) +
Leaf atypical quantity
6 (8) +
Leaf atypical width
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Leaf length
8 cm80 mm <br />0.08 m <br /> (?) +  and 12 cm120 mm <br />0.12 m <br /> (?) +
Leaf position
basal +
Leaf quantity
2 (6) +
Leaf shape
flat +  and v--shaped +
Leaf width
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Ligule presence
absent +
Locule quantity
1 +
Margin fusion
fused +
Number of lower taxa
0 +
Perianth life cycle
falling +
Perianth presence
absent +
Perianth quantity
with (1-)3-6(-30) bristles and/or scales +
Pericarp width
thin +
Phenology
Fruiting summer–fall (Jul–Oct). +
Pistil architecture
2-3(-4)-carpellate +
Pistil fusion
fused +
Pistil quantity
1 +
Prickle orientation
antrorse +  and extrorse +
Prophyll architecture
pistillate +
Prophyll atypical quantity
0 (3) +
Prophyll position
subtending +
Prophyll quantity
3 (?) +  and 1 (?) +
Publication title
Ann. Lyceum Nat. Hist. New York +
Publication year
1836 +
Rachillum architecture
wingless +
Rachillum duration
persistent +
Ray arrangement
singly +
Ray atypical quantity
3 (5) +
Ray length
unequal +
Ray quantity
1 +  and 3 +
Ray some measurement
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Reference
None +
Root derivation
adventitious +
Root texture
fibrous +
Scale architecture
empty +
Scale arrangement
distichous +
Scale atypical quantity
6 (30) +
Scale position
basal +  and proximal +
Scale quantity
0;76 +
Scale reproduction
fertile +
Scale shape
cylindric;compressed +
Seed quantity
1 +
Sheath shape
cylindric +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V23/V23 233.xml +
Special status
Illustrated +
Spike quantity
single +
Spikelet architecture
spicate +
Spikelet architecture or arrangement or growth form
solitary +
Spikelet arrangement
arranged +
Spikelet atypical quantity
50 (75) +
Spikelet length
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Spikelet quantity
25 +  and 50 +
Spikelet shape
compressed;ovoid +
Spikelet width
2mm;3mm +
Stamen atypical quantity
1 (3) +
Stamen fusion
distinct +
Stamen quantity
1 +
Stem architecture
septate +, hollow +  and solid +
Stem shape
compressed +, terete +  and trigonous +
Stigma quantity
3 +
Stigma relief
papillate +
Stigma some measurement
0.5 cm5 mm <br />0.005 m <br /> (?) +
Stipe some measurement
0.1 cm1 mm <br />0.001 m <br /> (?) +
Style architecture or shape
undivided +
Style arrangement or course or shape
linear +
Style base duration
persistent +
Style shape
2-3-fid +
Style some measurement
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
Surface relief
papillose +
Synonyms
Cyperus acuminatus var. cyrtolepis +, Cyperus cyrtolepis +, Cyperus cyrtolepis var. denticarinatus +  and Cyperus rufescens var. denticarinatus +
Taxon family
Cyperaceae +
Taxon name
Cyperus acuminatus +
Taxon parent
Cyperus subg. Pycnostachys +
Taxon rank
species +
Testa fusion
free +
Testa width
thin +
Volume
Volume 23 +
Whole organism architecture
tuberous +, stoloniferous +  and rhizomatous +
Whole organism duration
annual +
Whole organism growth form
herb +  and cespitose +
Wing coloration
hyaline +
X chromosome quantity
5;100 +