Difference between revisions of "Carex striatula Michaux (Q279) "

Database of Vascular Plants of Canada

parent taxon

Carex sect. Laxiflorae (Kunth) Mackenzie in N. L. Britton et al.

1 reference

Database of Vascular Plants of Canada

taxon habit

herb

1 reference

Database of Vascular Plants of Canada

taxon habitat

dry to moist ravine slopes

1 reference

deciduous

1 reference

mixed deciduous-evergreen forests

1 reference

elevation

0–600 m

1 reference

special status

F

1 reference

E

1 reference

taxon description fragment

Culms densely tufted, central or lateral, ascending or slightly decumbent, 45–62 cm × 0.5–1 mm.

1 reference

d0_s0

Leaves: basal sheaths tan or light-brown;

1 reference

d0_s1

sheaths green, sometimes glaucous, 4–88 mm;

1 reference

d0_s2

blades green, sometimes glaucous, midrib and 2 lateral-veins developed, flat or slightly corrugate, 30–46 cm × 3–14 mm, blades of overwintering leaves smooth or, rarely, sparsely papillose abaxially.

1 reference

d0_s3

Inflorescences: peduncles of proximal spikes 0–5 cm, arising from proximal 1/3 of culms, 1.4–3.3 (–5.3) times as long as spikes they subtend;

1 reference

d0_s4

of terminal spikes 0.4–12 cm.

1 reference

d0_s5

Bracts 0.6–14 cm × 0.8–6 mm, bract blades of distal lateral spikes linear, narrower than spikes, widest bract blade of distalmost lateral spike 0.5–3.4 mm wide.

1 reference

d0_s6

Spikes 3 (–4) per culm;

1 reference

d0_s7

lateral spikes 22–62 × 3–5 mm;

1 reference

d0_s8

distal lateral spikes separate;

1 reference

d0_s9

terminal spike linear to linear-clavate, 22–32 (–36) × 2–3 mm.

1 reference

d0_s10

Pistillate scales 3.4–5 × 1.2–2.2 mm, apex aristate, apiculate, or acute.

1 reference

d0_s11

Staminate scales oblongovate, 3–5 × 1.2–2 mm, margins hyaline or, occasionally, light-brown, apex obtuse or acute.

1 reference

d0_s12

Anthers 3–3.2 mm.

1 reference

d0_s13

Perigynia 6–18 per spike, scattered to loosely overlapping, ratio of longer lateral spike length to perigynia number 1.9–3.4, ascending, finely, conspicuously (22–) 25–32-veined, elongate, (3.4–) 3.9–5.1 × 1.2–2 mm;

1 reference

d0_s14

beak straight or slightly curved, 0.6–1.7 mm.

1 reference

d0_s15

Achenes elongate-obovoid, 2.2–2.8 (–4.6) × 1–1.8 mm. 2n = 36, 40.

1 reference

d0_s16

morphology statement

tan

1 reference

d0_s1

light-brown

1 reference

d0_s1

green

1 reference

d0_s2

glaucous

sometimes

1 reference

d0_s2

4

88

1 reference

d0_s2

green

1 reference

d0_s3

glaucous

sometimes

1 reference

d0_s3

smooth

1 reference

d0_s3

,

1 reference

d0_s3

papillose

sparsely; abaxially

1 reference

d0_s3

leaf

duration

overwintering

1 reference

d0_s3

inflorescence peduncle

0

5

1 reference

d0_s4

inflorescence peduncle

arising

1 reference

d0_s4

inflorescence peduncle

1.4-3.3(-5.3) times as long as spikes

1 reference

d0_s4

inflorescence

0.4

12

1 reference

d0_s5

inflorescence peduncle bract

0.6

14

1 reference

d0_s6

inflorescence peduncle bract

0.8

6

1 reference

d0_s6

course

linear

1 reference

d0_s6

narrower

1 reference

d0_s6

0.5

3.4

1 reference

d0_s6

pistillate

1 reference

d0_s11

3.4

5

1 reference

d0_s11

1.2

2.2

1 reference

d0_s11

aristate

1 reference

d0_s11

apiculate

1 reference

d0_s11

acute

1 reference

d0_s11

apiculate

1 reference

d0_s11

acute

1 reference

d0_s11

staminate

1 reference

d0_s12

3

5

1 reference

d0_s12

1.2

2

1 reference

d0_s12

inflorescence palea margin

hyaline

1 reference

d0_s12

inflorescence palea margin

,

1 reference

d0_s12

inflorescence palea margin

light-brown

1 reference

d0_s12

obtuse

1 reference

d0_s12

acute

1 reference

d0_s12

inflorescence flower anther

3

3.2

1 reference

d0_s13

6

18

1 reference

d0_s14

scattered

loosely overlapping

1 reference

d0_s14

ascending

1 reference

d0_s14

(22-)25-32-veined

finely; conspicuously

1 reference

d0_s14

elongate

1 reference

d0_s14

atypical length

3.4

3.9

1 reference

d0_s14

3.9

5.1

1 reference

d0_s14

1.2

2

1 reference

d0_s14

1.9

3.4

1 reference

d0_s14

fruit beak

course

straight

1 reference

d0_s15

fruit beak

course

curved

slightly

1 reference

d0_s15

fruit beak

0.6

1.7

1 reference

d0_s15

chromosome

36

1 reference

d0_s16

chromosome

40

1 reference

d0_s16

tufted

densely

1 reference

d0_s0

position

central

1 reference

d0_s0

position

lateral

1 reference

d0_s0

ascending

1 reference

d0_s0

decumbent

slightly

1 reference

d0_s0

45

62

1 reference

d0_s0

0.5

1

1 reference

d0_s0

inflorescence flower petal venation midrib

2

1 reference

d0_s3

development

developed

1 reference

d0_s3

prominence

flat

1 reference

d0_s3

corrugate

slightly

1 reference

d0_s3

30

46

1 reference

d0_s3

3

14

1 reference

d0_s3

atypical quantity

3

4

1 reference

d0_s7

3

1 reference

d0_s7

22

62

1 reference

d0_s8

3

5

1 reference

d0_s8

separate

1 reference

d0_s9

linear

linear-clavate

1 reference

d0_s10

atypical length

32

36

1 reference

d0_s10

22

32

1 reference

d0_s10

2

3

1 reference

d0_s10

ratio

length

1 reference

d0_s14

elongate-obovoid

1 reference

d0_s16

atypical length

2.8

4.6

1 reference

d0_s16

2.2

2.8

1 reference

d0_s16

1

1.8

1 reference

d0_s16

GBIF taxon key

2722475

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference