Eleocharis tenuis (Willdenow) Schultes (Q3298)

d0_s1

Culms terete or usually with 4 or 5 (–6) angles, often sulcate;

1 reference

d0_s2

5–90 cm × 0.2–0.5 (–0.8) mm, firm to soft.

1 reference

d0_s3

Leaves: distal leaf-sheaths persistent, not splitting, proximally dark red (or yellowbrown), distally green or stramineous or red, membranous, apex often reddish, obtuse to acute, often callose, often with tooth to 0.2 (–0.9) mm.

1 reference

d0_s4

Spikelets ovoid, 3–6 × 1.5–2 mm, apex obtuse to acute;

1 reference

d0_s5

proximal scale amplexicaulous, apex entire;

1 reference

d0_s6

floral scales appressed in fruit, 20–60, 5–6 per mm of rachilla, medium to dark-brown, midrib region often paler, ovate, 1.5–2.5 × 1 mm, apex rounded (to acute), entire, rarely shallowly notched, carinate in distal part of spikelet.

1 reference

d0_s8

Flowers: perianth bristles absent or sometimes 1–3, stramineous to pale-brown, slender, to equaling achene, obscurely retrorsely spinulose;

1 reference

d0_s9

stamens 3;

1 reference

d0_s10

anthers brown, 0.8–1.8 mm;

1 reference

d0_s11

styles 3-fid.

1 reference

d0_s12

Achenes falling with or before scales, lemon yellow, dark yellow, medium brown, or green, obpyriform, trigonous, angles evident, sometimes prominent, 0.6–0.9 × 0.45–0.7 mm, finely to coarsely rugulose and usually alveolate (cancellate) at 10–20X, 6–10 (–14) sharp horizontal ridges in each vertical series.

1 reference

d0_s13

Tubercles brown, pyramidal and to as high as wide to greatly depressed-apiculate, often rudimentary, 0.05–0.3 × 0.25–0.4 mm.

1 reference

d0_s14

morphology statement

whole organism

perennial

1 reference

d0_s0

whole organism

growth form

mat-forming

1 reference

d0_s0

whole organism

growth form

plant

1 reference

d0_s0

stem internode

some measurement

2

10

1 reference

d0_s1

persistent

1 reference

d0_s1

decaying to fibers

1 reference

d0_s1

some measurement

5

10

1 reference

d0_s1

papery

finely coarsely fibrous

1 reference

d0_s1

papery

finely coarsely fibrous

1 reference

d0_s1

4

1 reference

d0_s2

atypical quantity

5

6

1 reference

d0_s2

5

1 reference

d0_s2

persistent

1 reference

d0_s4

dehiscence

splitting

not

1 reference

d0_s4

dark red

proximally

1 reference

d0_s4

green

distally

1 reference

d0_s4

stramineous

1 reference

d0_s4

red

1 reference

d0_s4

membranous

1 reference

d0_s4

reddish

often

1 reference

d0_s4

obtuse

acute

1 reference

d0_s4

pubescence

callose

often

1 reference

d0_s4

inflorescence spikelet

ovoid

1 reference

d0_s5

inflorescence spikelet

3

6

1 reference

d0_s5

inflorescence spikelet

1.5

2

1 reference

d0_s5

obtuse

acute

1 reference

d0_s5

amplexicaulous

1 reference

d0_s6

entire

1 reference

d0_s6

fixation

orientation

appressed

1 reference

d0_s8

size

medium

1 reference

d0_s8

dark-brown

1 reference

d0_s8

fruit

20

60

1 reference

d0_s8

fruit

5

6

1 reference

d0_s8

rounded

1 reference

d0_s8

entire

1 reference

d0_s8

notched

rarely shallowly

1 reference

d0_s8

carinate

1 reference

d0_s8

presence

absent

1 reference

d0_s9

sometimes

1 reference

d0_s9

1

3

1 reference

d0_s9

stramineous

pale-brown

1 reference

d0_s9

size

slender

1 reference

d0_s9

spinulose

obscurely retrorsely

1 reference

d0_s9

inflorescence flower stamen

3

1 reference

d0_s10

inflorescence flower anther

brown

1 reference

d0_s11

inflorescence flower anther

some measurement

0.8

1.8

1 reference

d0_s11

inflorescence flower gynoecium pistil style

3-fid

1 reference

d0_s12

lemon yellow

1 reference

d0_s13

dark yellow

1 reference

d0_s13

medium

1 reference

d0_s13

brown

1 reference

d0_s13

green

1 reference

d0_s13

obpyriform

1 reference

d0_s13

trigonous

1 reference

d0_s13

evident

1 reference

d0_s13

prominent

sometimes

1 reference

d0_s13

0.6

0.9

1 reference

d0_s13

0.45

0.7

1 reference

d0_s13

rugulose

coarsely

1 reference

d0_s13

lemon yellow

1 reference

d0_s13

dark yellow

1 reference

d0_s13

medium

1 reference

d0_s13

brown

1 reference

d0_s13

green

1 reference

d0_s13

obpyriform

1 reference

d0_s13

trigonous

1 reference

d0_s13

evident

1 reference

d0_s13

prominent

sometimes

1 reference

d0_s13

0.6

0.9

1 reference

d0_s13

0.45

0.7

1 reference

d0_s13

rugulose

coarsely

1 reference

d0_s13

lemon yellow

1 reference

d0_s13

dark yellow

1 reference

d0_s13

medium

1 reference

d0_s13

brown

1 reference

d0_s13

green

1 reference

d0_s13

obpyriform

1 reference

d0_s13

trigonous

1 reference

d0_s13

evident

1 reference

d0_s13

prominent

sometimes

1 reference

d0_s13

rugulose

coarsely

1 reference

d0_s13

alveolate

usually

1 reference

d0_s13

stem rhizome

evident

1 reference

d0_s1

stem rhizome

thickness

0.4

2

1 reference

d0_s1

stem rhizome

soft

hard

1 reference

d0_s1

tissue cortex

persistent

1 reference

d0_s1

terete

1 reference

d0_s3

usually

1 reference

d0_s3

sulcate

often

1 reference

d0_s3

5

90

1 reference

d0_s3

atypical width

0.5

0.8

1 reference

d0_s3

0.2

0.5

1 reference

d0_s3

firm

soft

1 reference

d0_s3

fruit achene

variability

equaling

1 reference

d0_s9

fruit achene

life cycle

falling

1 reference

d0_s13

brown

1 reference

d0_s14

pyramidal

1 reference

d0_s14

wide

1 reference

d0_s14

depressed-apiculate

greatly

1 reference

d0_s14

rudimentary

often

1 reference

d0_s14

0.05

0.3

1 reference

d0_s14

0.25

0.4

1 reference