Carex davisii Schweinitz &amp; Torrey (Q234)

occurrence status

excluded

1 reference

Database of Vascular Plants of Canada

publication

FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1023&flora_id=1

CA-ON

Ont.

1 reference

US-AR

Ark.

1 reference

US-CT

Conn.

1 reference

US-DE

Del.

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-MD

Md.

1 reference

US-MA

Mass.

1 reference

US-MI

Mich.

1 reference

US-MN

Minn.

1 reference

US-MO

Mo.

1 reference

US-NE

Nebr.

1 reference

US-NJ

N.J.

1 reference

US-NY

N.Y.

1 reference

US-OH

Ohio

1 reference

US-OK

Okla.

1 reference

US-PA

Pa.

1 reference

US-TN

Tenn.

1 reference

US-TX

Tex.

1 reference

US-VT

Vt.

1 reference

US-WV

W.Va.

1 reference

US-WI

Wis.

1 reference

Carex sect. Hymenochlaenae (Drejer) L. H. Bailey in J. M. Coulter

parent taxon

1 reference

Database of Vascular Plants of Canada

taxon habit

herb

1 reference

Database of Vascular Plants of Canada

taxon habitat

floodplain forests

1 reference

rich deciduous forests

1 reference

forest margins

1 reference

streams

1 reference

ditches

1 reference

wooded ravine slopes

1 reference

meadows

1 reference

fields

1 reference

thickets

1 reference

calcareous soils

1 reference

special status

F

1 reference

E

1 reference

taxon description fragment

Plants densely cespitose.

1 reference

d0_s0

Culms dark maroon at base;

1 reference

d0_s1

flowering-stems 30–100 cm, as long as leaves at maturity or a little shorter, 1.5–3 mm thick, glabrous or pubescent on angles.

1 reference

d0_s2

Leaves: basal sheaths maroon, bladeless, sheaths pubescent or rarely glabrous;

1 reference

d0_s3

blades flat, 3–8 mm wide, usually pubescent on abaxial surface at least near sheath, minutely scabrous on margins.

1 reference

d0_s5

Inflorescences: peduncles of proximal spikes slender, 10–25 mm, pubescent;

1 reference

d0_s6

peduncle of terminal spike 10–30 mm, pubescent;

1 reference

d0_s7

proximal bracts equaling or often exceeding inflorescences;

1 reference

d0_s8

sheaths 15–45 mm;

1 reference

d0_s9

blades 2–6 mm wide.

1 reference

d0_s10

Lateral spikes 2–4, 1 per node, well separated or distal 2 usually overlapping terminal spike, mostly erect when young but at least proximal spikes nodding at maturity, pistillate with 10–40 perigynia attached 1 mm apart distally and to 4 mm apart proximally, cylindric, 10–50 × 3.5–6 mm.

1 reference

d0_s11

Terminal spike gynecandrous, sessile or pedunculate, 15–35 × 2–6 mm.

1 reference

d0_s12

Pistillate scales pale hyaline with broad green midrib, elliptic or ovatelanceolate, body shorter than mature perigynia but extending into pubescent green awn 2.5–3 mm, often short-ciliate near apex.

1 reference

d0_s13

Perigynia green to olive-green, often red dotted, 2-ribbed with 9–12 almost equally prominent, evenly spaced veins extending from base to apex, slightly inflated around achene, ellipsoid-ovoid, 4.5–6 × 2–2.5 mm, membranous, base rounded, apex narrowing abruptly to minute beak, glabrous;

1 reference

d0_s14

beak bidentate, less than 0.5 mm.

1 reference

d0_s15

Achenes distinctly stipitate, 2.2–2.7 × 1–1.2 mm, stipe 1 mm.

1 reference

d0_s16

morphology statement

whole organism

growth form

cespitose

densely

1 reference

d0_s0

whole organism

growth form

plant

1 reference

d0_s0

stem

dark maroon

1 reference

d0_s1

inflorescence flowering-stem

30

100

1 reference

d0_s2

maturity

1 reference

d0_s2

shorter

1 reference

d0_s2

thick

1 reference

d0_s2

1.5

3

1 reference

d0_s2

maturity

1 reference

d0_s2

shorter

1 reference

d0_s2

thick

1 reference

d0_s2

glabrous

1 reference

d0_s2

pubescent

1 reference

d0_s2

maturity

1 reference

d0_s2

shorter

1 reference

d0_s2

thick

1 reference

d0_s2

maroon

1 reference

d0_s3

bladeless

1 reference

d0_s3

pubescent

1 reference

d0_s3

glabrous

rarely

1 reference

d0_s3

prominence

flat

1 reference

d0_s5

3

8

1 reference

d0_s5

pubescent

usually

1 reference

d0_s5

relief

scabrous

minutely

1 reference

d0_s5

slender

1 reference

d0_s6

10

25

1 reference

d0_s6

pubescent

1 reference

d0_s6

10

30

1 reference

d0_s7

pubescent

1 reference

d0_s7

inflorescence peduncle bract

variability

equaling

1 reference

d0_s8

inflorescence peduncle bract

variability

often exceeding inflorescences

1 reference

d0_s8

15

45

1 reference

d0_s9

2

6

1 reference

d0_s10

2

4

1 reference

d0_s11

1

1 reference

d0_s11

separated

well

1 reference

d0_s11

position

distal

1 reference

d0_s11

2

1 reference

d0_s11

orientation

erect

when young

1 reference

d0_s11

overlapping

usually

1 reference

d0_s11

position

proximal

at-least

1 reference

d0_s11

orientation

nodding

1 reference

d0_s11

pistillate

1 reference

d0_s11

1

1 reference

d0_s11

apart

distally

1 reference

d0_s11

0

4

1 reference

d0_s11

apart

proximally

1 reference

d0_s11

cylindric

1 reference

d0_s11

10

50

1 reference

d0_s11

3.5

6

1 reference

d0_s11

10

40

1 reference

d0_s11

fixation

attached

1 reference

d0_s11

reproduction

gynecandrous

1 reference

d0_s12

sessile

1 reference

d0_s12

pedunculate

1 reference

d0_s12

15

35

1 reference

d0_s12

2

6

1 reference

d0_s12

pistillate

1 reference

d0_s13

pale hyaline

1 reference

d0_s13

elliptic

1 reference

d0_s13

ovatelanceolate

1 reference

d0_s13

broad

1 reference

d0_s13

green

1 reference

d0_s13

general structure

shorter

1 reference

d0_s13

general structure

2.5

3

1 reference

d0_s13

general structure

short-ciliate

often

1 reference

d0_s13

mature

1 reference

d0_s13

inflorescence spikelet awn

pubescent

1 reference

d0_s13

inflorescence spikelet awn

green

1 reference

d0_s13

green

olive-green

1 reference

d0_s14

red dotted

often

1 reference

d0_s14

2-ribbed

1 reference

d0_s14

inflated

slightly

1 reference

d0_s14

ellipsoid-ovoid

1 reference

d0_s14

4.5

6

1 reference

d0_s14

2

2.5

1 reference

d0_s14

texture

membranous

1 reference

d0_s14

9

12

1 reference

d0_s14

prominence

prominent

almost equally

1 reference

d0_s14

spaced

evenly

1 reference

d0_s14

inflorescence phyllaries base

rounded

1 reference

d0_s14

inflorescence flower gynoecium pistil style apex

narrowing

1 reference

d0_s14

inflorescence flower gynoecium pistil style apex

glabrous

1 reference

d0_s14

fruit beak

minute

1 reference

d0_s14

fruit beak

bidentate

1 reference

d0_s15

fruit beak

0

0.5

1 reference

d0_s15

fruit

stipitate

distinctly

1 reference

d0_s16

fruit

2.2

2.7

1 reference

d0_s16

fruit

1

1.2

1 reference

d0_s16

leaf stalk

1

1 reference