Difference between revisions of "Eleocharis sect. Parvulae T. V. Egorova in An. A. Fedorov (Q3320) "

Flora Commons

accepted id

Eleocharis sect. Parvulae T.V. Egorova

taxon name

Eleocharis sect. Parvulae

T.V. Egorova

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 sect. Parvulae

1 reference

taxon authority

T.V. Egorova

1 reference

taxon rank

section

1 reference

taxon status

accepted

1 reference

VasCan taxon numeric id

2158

1 reference

Eleocharis subg. Eleocharis

parent taxon

1 reference

taxon habit

herb

1 reference

distribution

Temperate to tropical North America

1 reference

Central America

1 reference

South America

1 reference

West Indies

1 reference

Europe

1 reference

North Africa

1 reference

taxon description fragment

Plants perennial;

1 reference

d0_s0

rhizomes creeping, 0.1–0.2 mm thick, soft, internodes to 4 cm, scales not evident, often terminating in a 2–4 mm tuber with large, acute, terminal bud, or tubers among culm bases.

1 reference

d0_s1

Culms terete, 2–9 cm × 0.2–0.5 mm, soft, spongy.

1 reference

d0_s2

Leaves: distal leaf-sheaths often disintegrating, thinly membranous, apex rounded.

1 reference

d0_s3

Spikelets: basal spikelets absent;

1 reference

d0_s4

proximal scale empty, amplexicaulous;

1 reference

d0_s5

floral scales membranous.

1 reference

d0_s6

Flowers: anthers 0.6–1.2 mm;

1 reference

d0_s7

styles 3-fid, rarely some 2-fid.

1 reference

d0_s8

Achenes trigonous, rarely some biconvex.

1 reference

d0_s9

Tubercles often rudimentary, often narrower than achene summit or sunken in a depression in achene, color and texture either similar to achene summit and tubercle merging with achene, or different and clearly distinct from achene.

1 reference

d0_s10

morphology statement

whole organism

duration

perennial

1 reference

d0_s0

whole organism

growth form

plant

1 reference

d0_s0

stem internode

some measurement

0

4

1 reference

d0_s1

prominence

evident

not

1 reference

d0_s1

bud

size

large

1 reference

d0_s1

bud

acute

1 reference

d0_s1

leaf sheath

dehiscence

disintegrating

often

1 reference

d0_s3

leaf sheath

membranous

thinly

1 reference

d0_s3

inflorescence flower gynoecium pistil style apex

rounded

1 reference

d0_s3

inflorescence spikelet

presence

absent

1 reference

d0_s4

architecture

empty

1 reference

d0_s5

architecture

amplexicaulous

1 reference

d0_s5

membranous

1 reference

d0_s6

inflorescence flower anther

some measurement

0.6

1.2

1 reference

d0_s7

inflorescence flower gynoecium pistil style

3-fid

1 reference

d0_s8

inflorescence flower gynoecium pistil style

2-fid

rarely

1 reference

d0_s8

stem rhizome

growth form

orientation

creeping

1 reference

d0_s1

stem rhizome

thickness

0.1

0.2

1 reference

d0_s1

stem rhizome

pubescence

soft

1 reference

d0_s1

stem tuber

some measurement

2

4

1 reference

d0_s1

terete

1 reference

d0_s2

length

2

9

1 reference

d0_s2

width

0.2

0.5

1 reference

d0_s2

pubescence

soft

1 reference

d0_s2

spongy

1 reference

d0_s2

fruit achene

trigonous

1 reference

d0_s9

fruit achene

biconvex

rarely

1 reference

d0_s9

prominence

rudimentary

often

1 reference

d0_s10

width

often narrower

1 reference

d0_s10

prominence

sunken

1 reference

d0_s10

coloration

texture

either

1 reference

d0_s10

fusion

distinct

clearly

1 reference