Difference between revisions of "Schoenoplectus acutus (Muhlenberg ex Bigelow) Á. Löve &amp; D. Löve (Q3418) "

Flora Commons

accepted id

Schoenoplectus acutus (Muhlenberg ex Bigelow) Á. Löve & D. Löve

taxon name

Schoenoplectus acutus

taxon authority

(Muhlenberg ex Bigelow) Á. Löve & D. Löve

taxon rank

species

publication

FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.

taxon status

accepted

1 reference

taxon name

Schoenoplectus acutus

1 reference

taxon authority

(Muhlenberg ex Bigelow) Á. Löve & D. Löve

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

hard-stemmed bulrush (English)

1 reference

common tule (English)

1 reference

scirpe aigu (French)

1 reference

VasCan taxon numeric id

5305

1 reference

Schoenoplectus sect. Schoenoplectus

parent taxon

1 reference

taxon habit

herb

1 reference

GBIF taxon key

2710926

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

LC

1 reference

Global Biodiversity Information Facility

distribution

CA-AB

Alta.

1 reference

CA-BC

B.C.

1 reference

CA-MB

Man.

1 reference

CA-NB

N.B.

1 reference

CA-NS

N.S.

1 reference

CA-NT

N.W.T.

1 reference

CA-ON

Ont.

1 reference

CA-PE

P.E.I.

1 reference

CA-QC

Que.

1 reference

CA-SK

Sask.

1 reference

CA-YT

Yukon

1 reference

US-AK

Alaska

1 reference

US-AZ

Ariz.

1 reference

US-AR

Ark.

1 reference

US-CA

Calif.

1 reference

US-CO

Colo.

1 reference

US-CT

Conn.

1 reference

US-DE

Del.

1 reference

US-ID

Idaho

1 reference

US-IL

Ill.

1 reference

US-IN

Ind.

1 reference

US-IA

Iowa

1 reference

US-KS

Kans.

1 reference

US-KY

Ky.

1 reference

US-ME

Maine

1 reference

US-MA

Mass.

1 reference

US-MD

Md.

1 reference

US-MI

Mich.

1 reference

US-MN

Minn.

1 reference

US-MO

Mo.

1 reference

US-MT

Mont.

1 reference

US-NC

N.C.

1 reference

US-ND

N.Dak.

1 reference

US-NH

N.H.

1 reference

US-NJ

N.J.

1 reference

US-NM

N.Mex.

1 reference

US-NY

N.Y.

1 reference

US-NE

Nebr.

1 reference

US-NV

Nev.

1 reference

US-OH

Ohio

1 reference

US-OK

Okla.

1 reference

US-OR

Oreg.

1 reference

US-PA

Pa.

1 reference

US-RI

R.I.

1 reference

US-SD

S.Dak.

1 reference

US-TX

Tex.

1 reference

US-UT

Utah

1 reference

US-VA

Va.

1 reference

US-VT

Vt.

1 reference

US-WA

Wash.

1 reference

US-WI

Wis.

1 reference

US-WY

Wyo.

1 reference

Mexico

1 reference

possibly Eurasia

1 reference

e Pacific Islands

1 reference

special status

W2

1 reference

W1

1 reference

F

1 reference

taxon description fragment

Rhizomes 5–15 mm diam.

1 reference

d0_s0

Culms cylindric, 1–4 m × 2–10 mm.

1 reference

d0_s1

Leaves 3–4, all basal;

1 reference

d0_s2

sheaths often dark reddish proximally, front membranous-translucent and splitting, orifice adaxially deeply V-shaped;

1 reference

d0_s3

blades 1–2, C-shaped to dorsiventrally flat in cross-section, usually much shorter than sheath, distal blade 8–120 × 3–7 mm, margins often scabridulous.

1 reference

d0_s4

Inflorescences 2 (–3) times branched, open or compact, branches 6 (–18) cm;

1 reference

d0_s5

proximal bract usually erect, thickly C-shaped in cross-section, 1–9 cm, margins sometimes scabridulous.

1 reference

d0_s6

Spikelets 3–190, solitary or in clusters of 2–8, never all solitary;

1 reference

d0_s7

scales reddish to orangebrown to straw-colored, often variable on same scale, usually wholly or partly straw-colored and prominently lineolate-spotted at 10X, scale or midrib often green when young, ovate, 3–4 × 2–3 mm, sparsely to often densely reddish or straw-colored spinulose-papillose distally or on most of surface, margins ciliate, hairs long, contorted, flanks veinless, apex acute to obtuse, notch 0.3–0.5 mm deep, awn on at least some scales in spikelet usually strongly contorted, 0.5–2 mm (often broken off).

1 reference

d0_s8

Flowers: perianth members (4–) 6 (–8), brown, bristlelike, equaling achene body or sometimes much shorter, rarely rudimentary, spinulose;

1 reference

d0_s9

anthers 2 mm;

1 reference

d0_s10

styles 2 (–3) -fid.

1 reference

d0_s11

Achenes dark graybrown, planoconvex or rarely weakly trigonous, obovoid, (1.5–) 2–3  1.2–1.7 mm;

1 reference

d0_s12

beak 0.2–0.4 mm.

1 reference

d0_s13

morphology statement

diameter

5

15

1 reference

d0_s0

cylindric

1 reference

d0_s1

1

4

1 reference

d0_s1

width

2

10

1 reference

d0_s1

leaf

3

4

1 reference

d0_s2

leaf sheath

dark reddish

proximally

1 reference

d0_s3

1

2

1 reference

d0_s4

c-shaped

dorsiventrally flat

1 reference

d0_s4

height

usually much shorter

1 reference

d0_s4

8

120

1 reference

d0_s4

width

3

7

1 reference

d0_s4

inflorescence palea margin

relief

scabridulous

often

1 reference

d0_s4

inflorescence

2(-3) times branched open or compact branches

1 reference

d0_s5

inflorescence

2(-3) times branched open or compact branches

1 reference

d0_s5

inflorescence

2(-3) times branched open or compact branches

1 reference

d0_s5

inflorescence peduncle bract

orientation

erect

usually

1 reference

d0_s6

inflorescence peduncle bract

c--shaped

thickly

1 reference

d0_s6

inflorescence peduncle bract

1

9

1 reference

d0_s6

inflorescence palea margin

relief

scabridulous

sometimes

1 reference

d0_s6

3

190

1 reference

d0_s7

growth form

solitary

1 reference

d0_s7

growth form

in clusters

1 reference

d0_s7

growth form

solitary

never

1 reference

d0_s7

reddish

orangebrown

1 reference

d0_s8

variability

variable

often

1 reference

d0_s8

straw-colored and prominently lineolate-spotted

usually wholly; wholly; partly

1 reference

d0_s8

ovate

1 reference

d0_s8

3

4

1 reference

d0_s8

width

2

3

1 reference

d0_s8

sparsely

often densely reddish or straw-colored

1 reference

d0_s8

relief

spinulose-papillose

sparsely to often densely; distally

1 reference

d0_s8

inflorescence flower petal venation

green

when young

1 reference

d0_s8

inflorescence palea margin

pubescence

ciliate

1 reference

d0_s8

tissue armature

long

1 reference

d0_s8

tissue armature

contorted

1 reference

d0_s8

inflorescence flower gynoecium pistil style apex

acute

obtuse

1 reference

d0_s8

inflorescence spikelet awn

0.5

2

1 reference

d0_s8

contorted

usually strongly

1 reference

d0_s8

variability

equaling

1 reference

d0_s9

height

shorter

sometimes much

1 reference

d0_s9

prominence

rudimentary

rarely

1 reference

d0_s9

spinulose

1 reference

d0_s9

inflorescence flower anther

2

1 reference

d0_s10

inflorescence flower gynoecium pistil style

2(-3)-fid

1 reference

d0_s11

dark

1 reference

d0_s12

planoconvex

1 reference

d0_s12

trigonous

rarely weakly

1 reference

d0_s12

obovoid

1 reference

d0_s12

atypical quantity

1.5

2

1 reference

d0_s12

2

3

1 reference

d0_s12

1.2

1.7

1 reference

d0_s12

fruit beak

0.2

0.4

1 reference