Eleocharis tuberculosa (Michaux) Roemer &amp; Schultes in J. J. Roemer et al. (Q3306)

Flora Commons

accepted id

Eleocharis tuberculosa (Michaux) Roemer & Schultes

taxon name

Eleocharis tuberculosa

taxon authority

(Michaux) Roemer & Schultes

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

Eleocharis tuberculosa

1 reference

taxon authority

(Michaux) Roemer & Schultes

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

éléocharide tuberculée (French)

1 reference

tubercled spikerush (English)

1 reference

long-tuberculed spikerush (English)

1 reference

cone-cup spikerush (English)

1 reference

one-cup spikerush (English)

1 reference

VasCan taxon numeric id

5261

1 reference

distribution

CA-NS

establishment of distribution

occurrence status

present

native

1 reference

publication

Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.

CA-NS

N.S.

1 reference

US-AL

Ala.

1 reference

US-AR

Ark.

1 reference

US-FL

Fla.

1 reference

US-GA

Ga.

1 reference

US-LA

La.

1 reference

US-MA

Mass.

1 reference

US-MS

Miss.

1 reference

US-NJ

N.J.

1 reference

US-NC

N.C.

1 reference

US-SC

S.C.

1 reference

US-TN

Tenn.

1 reference

US-TX

Tex.

1 reference

GBIF taxon key

2717360

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

taxon habitat

wet soil

1 reference

freshwater

1 reference

ponds

1 reference

lakeshores

1 reference

streams

1 reference

meadows

1 reference

pine woods

1 reference

grasslands

1 reference

disturbed places

1 reference

bogs

1 reference

elevation

0–500 m

1 reference

special status

F

1 reference

E

1 reference

taxon description fragment

Plants perennial, forming dense clumps, not stoloniferous.

1 reference

d0_s0

Rhizomes present or not, caudexlike, ascending, 1 mm thick;

1 reference

d0_s1

internodes and scales hidden by crowded culms, not evident.

1 reference

d0_s2

Culms elliptic or sometimes circular, with several rounded ridges and sulcate when dry, 15–75 cm × 0.3 (–1.5) mm, firm, minutely granular at 10X.

1 reference

d0_s3

Leaves: distal leaf-sheaths persistent;

1 reference

d0_s4

stramineous to green, often minutely red-spotted, papery to membranous, apex subacute to narrowly acute, often with toothlike callus.

1 reference

d0_s5

Spikelets: basal spikelets absent;

1 reference

d0_s6

never proliferous, ovoid, terete, 5–15 × 2.5–4 mm, apex acute;

1 reference

d0_s7

proximal scale empty, deciduous, clasping 1/2 of culm, similar to floral scales;

1 reference

d0_s8

subproximal scale often empty;

1 reference

d0_s9

floral scales spiraled, 10–30, 5–6 per mm of rachilla, pale orangebrown, midribs green, broadly ovate, 2.5–4 × 1.5–2.5 mm, central area and often flanks papery to cartilaginous (or membranous), midrib evident, apex broadly rounded to obtuse.

1 reference

d0_s10

Flowers: perianth bristles 5–6, bright brown, stout, slightly shorter than to equaling tubercle;

1 reference

d0_s11

spinules rarely absent, dense, variably from divaricate to antrorse, very short, and blunt to acute, to often much longer and retrorse, sharply acute;

1 reference

d0_s12

stamens 2–3;

1 reference

d0_s13

anthers 0.5–1 mm;

1 reference

d0_s14

styles 3-fid.

1 reference

d0_s15

Achenes medium brown, obovoid to obpyriform, compressed (often obscurely) trigonous, angles evident, 0.9–1.7 × 0.8–2 mm;

1 reference

d0_s16

apex often constricted proximal to tubercle, very coarsely cancellate at 10X, each face with 8–10 longitudinal rows of large depressions.

1 reference

d0_s17

Tubercles bone-white to pale orangebrown, often red-spotted, subpyramidal, cross-section planoconvex, 0.9–1.7 (–2.4) × 0.7–1.2–2 (–2.2) mm, at least as high and wide as achene, spongy, apex rounded, often with an abaxial acute projection.

1 reference

d0_s18

morphology statement

whole organism

duration

perennial

1 reference

d0_s0

whole organism

stoloniferous

not

1 reference

d0_s0

whole organism

growth form

plant

1 reference

d0_s0

stem internode

hidden

1 reference

d0_s2

stem internode

evident

not

1 reference

d0_s2

hidden

1 reference

d0_s2

evident

not

1 reference

d0_s2

leaf sheath

duration

persistent

1 reference

d0_s4

leaf

stramineous

green

1 reference

d0_s5

leaf

red-spotted

often minutely

1 reference

d0_s5

leaf

texture

papery

membranous

1 reference

d0_s5

subacute

narrowly acute

1 reference

d0_s5

inflorescence spikelet lemma callus

toothlike

1 reference

d0_s5

presence

absent

1 reference

d0_s6

reproduction

proliferous

never

1 reference

d0_s7

ovoid

1 reference

d0_s7

terete

1 reference

d0_s7

5

15

1 reference

d0_s7

2.5

4

1 reference

d0_s7

acute

1 reference

d0_s7

empty

1 reference

d0_s8

duration

deciduous

1 reference

d0_s8

fixation

clasping

1 reference

d0_s8

1/2

1 reference

d0_s8

empty

often

1 reference

d0_s9

spiraled

1 reference

d0_s10

10

30

1 reference

d0_s10

5

6

1 reference

d0_s10

pale orangebrown

1 reference

d0_s10

broadly rounded

obtuse

1 reference

d0_s10

5

6

1 reference

d0_s11

bright brown

1 reference

d0_s11

fragility

stout

1 reference

d0_s11

height

slightly shorter

1 reference

d0_s11

inflorescence flower stamen

2

3

1 reference

d0_s13

inflorescence flower anther

some measurement

0.5

1

1 reference

d0_s14

inflorescence flower gynoecium pistil style

3-fid

1 reference

d0_s15

leaf angle

evident

1 reference

d0_s16

leaf angle

0.9

1.7

1 reference

d0_s16

leaf angle

0.8

2

1 reference

d0_s16

constricted

often

1 reference

d0_s17

position

proximal

1 reference

d0_s17

cancellate

very coarsely

1 reference

d0_s17

rounded

1 reference

d0_s18

general structure clump

density

dense

1 reference

d0_s0

presence

absent

1 reference

d0_s1

not

1 reference

d0_s1

caudex-like

1 reference

d0_s1

orientation

ascending

1 reference

d0_s1

thickness

1

1 reference

d0_s1

crowded

1 reference

d0_s2

elliptic

1 reference

d0_s3

circular

sometimes

1 reference

d0_s3

sulcate

when dry

1 reference

d0_s3

15

75

1 reference

d0_s3

atypical width

0.3

1.5

1 reference

d0_s3

0.3

1 reference

d0_s3

texture

firm

1 reference

d0_s3

pubescence

relief

texture

granular

minutely

1 reference

d0_s3

green

1 reference

d0_s10

ovate

broadly

1 reference

d0_s10

2.5

4

1 reference

d0_s10

1.5

2.5

1 reference

d0_s10

evident

1 reference

d0_s10

variability

equaling

1 reference

d0_s11

presence

absent

rarely

1 reference

d0_s12

density

dense

1 reference

d0_s12

height

short

from divaricate to antrorse; very

1 reference

d0_s12

blunt

acute

1 reference

d0_s12

longer

often much

1 reference

d0_s12

orientation

retrorse

1 reference

d0_s12

acute

sharply

1 reference

d0_s12

medium

1 reference

d0_s16

brown

1 reference

d0_s16

obovoid

obpyriform

1 reference

d0_s16

compressed

1 reference

d0_s16

trigonous

1 reference

d0_s16

bone-white

pale orangebrown

1 reference

d0_s18

red-spotted

often

1 reference

d0_s18

subpyramidal

1 reference

d0_s18

tissue epidermis armature projection

acute

1 reference