Taraxacum palustre (Lyons) Symons (Q3177)

taxon name

Taraxacum palustre

1 reference

taxon authority

(Lyons) Symons

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taxon rank

species

1 reference

taxon status

accepted

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common name

pissenlit palustre (French)

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pissenlit des marais (French)

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marsh dandelion (English)

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Marsh dandelion (English)

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pissenlit palustre (English)

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VasCan taxon numeric id

3616

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distribution

CA-ON

establishment of distribution

occurrence status

present

introduced

1 reference

publication

Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/

CA-QC

establishment of distribution

occurrence status

present

introduced

1 reference

publication

Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.

Newfoundland, CA

occurrence status

excluded

1 reference

publication

Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm

CA-ON

Ont.

1 reference

CA-QC

Que.

1 reference

US-MI

Mich.

1 reference

US-NY

N.Y.

1 reference

Europe

1 reference

Taraxacum sect. Palustria

parent taxon

1 reference

taxon habit

herb

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GBIF taxon key

5394278

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering early spring.

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taxon habitat

wet ditches

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roadsides

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waste grounds

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temperate climates

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elevation

10–100 m

measurement range from

10 meter

measurement range to

100 meter

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special status

I

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taxon description fragment

Plants 5–6.5 (–10 in fruit) cm;

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d0_s0

taproots seldom branched.

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d0_s1

Stems 1–5+, decumbent to ascending, purple, (rarely exceeding foliage before fruiting), sparsely villous or glabrate to ± densely villous distally.

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d0_s2

Leaves 10+, horizontal to ± erect;

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d0_s3

petioles often purplish (midveins also), ± narrowly winged;

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d0_s4

blades oblanceolate to linear-oblanceolate, 2.5–9 × 0.2–1.1 cm, bases attenuate to long-cuneate, margins usually toothed, sometimes pinnately, shallowly lobed, lobes fewer than 10 per side, remote, (and teeth) straight to retrorse, narrow, deltate to narrowly triangular, often acuminate, apices obtuse to acute, faces glabrous or sparsely villous (particularly along midveins).

1 reference

d0_s5

Calyculi 10–15, appressed to spreading, pale to dark purplish green, ovate to elliptic bracklets in 2 series, 6–8.5 × 2–5 mm, margins ± purplish, widely scarious, apices acuminate to caudate, hornless.

1 reference

d0_s6

Involucres green to grayish green, campanulate, 12–16 mm.

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d0_s7

Phyllaries 14–16 in 2 series, lanceolate to lance-linear, 1.5–2.5 mm wide, margins scarious to narrowly scarious in proximal 1/2, apices long-acuminate, erose-scarious, hornless.

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d0_s8

Florets ca. 50;

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d0_s9

corollas yellow, outer abaxially gray-striped, 13–14 × 1.4–2.2 mm.

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d0_s10

Cypselae straw-colored to olivaceous, bodies narrowly obovoid, 2.8–4 mm, cones terete, 0.8–1 mm, beaks slender, 7–9 mm, ribs ca. 6, sharp, faces slightly muricate in distal 1/3;

1 reference

d0_s11

pappi white to cream, 4.5–6.5 mm. 2n = 24, 32, 40 (reported for complex in Europe).

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d0_s12

morphology statement

whole organism

5

6.5

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d0_s0

whole organism

growth form

plant

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d0_s0

root

architecture

branched

seldom

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d0_s1

1

5

1 reference

d0_s2

decumbent

ascending

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d0_s2

density

purple

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d0_s2

pubescence

glabrate

more or less densely villous

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d0_s2

leaf

10

?

1 reference

d0_s3

leaf

horizontal

more or less erect

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d0_s3

leaf petiole

purplish

often

1 reference

d0_s4

leaf petiole

architecture

winged

more or less narrowly

1 reference

d0_s4

leaf blade

oblanceolate

linear-oblanceolate

1 reference

d0_s5

leaf blade

length

2.5

9

1 reference

d0_s5

leaf blade

0.2

1.1

1 reference

d0_s5

inflorescence phyllaries base

attenuate

long-cuneate

1 reference

d0_s5

toothed

usually

1 reference

d0_s5

lobed

sometimes pinnately; pinnately; shallowly

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d0_s5

0

10

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d0_s5

arrangement

density

remote

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d0_s5

course

straight

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d0_s5

retrorse

1 reference

d0_s5

size

narrow

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d0_s5

deltate

narrowly triangular

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d0_s5

acuminate

often

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d0_s5

obtuse

acute

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d0_s5

leaf face

pubescence

glabrous

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d0_s5

leaf face

pubescence

villous

sparsely

1 reference

d0_s5

10

15

1 reference

d0_s6

appressed

spreading

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d0_s6

pale

dark purplish

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d0_s6

green

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d0_s6

ovate

elliptic

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d0_s6

length

6

8.5

1 reference

d0_s6

2

5

1 reference

d0_s6

purplish

more or less

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d0_s6

texture

scarious

widely

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d0_s6

acuminate

caudate

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d0_s6

hornless

1 reference

d0_s6

inflorescence involucre

green

grayish green

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d0_s7

inflorescence involucre

campanulate

1 reference

d0_s7

inflorescence involucre

12

16

1 reference

d0_s7

inflorescence phyllary

14

16

1 reference

d0_s8

inflorescence phyllary

lanceolate

lance-linear

1 reference

d0_s8

inflorescence phyllary

1.5

2.5

1 reference

d0_s8

texture

scarious

narrowly scarious

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d0_s8

long-acuminate

1 reference

d0_s8

texture

erose-scarious

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d0_s8

hornless

1 reference

d0_s8

inflorescence flower floret

50

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d0_s9

yellow

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d0_s10

position

outer

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d0_s10

gray-striped

abaxially

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d0_s10

length

13

14

1 reference

d0_s10

1.4

2.2

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d0_s10

fruit

straw-colored

olivaceous

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d0_s11

general structure

obovoid

narrowly

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d0_s11

general structure

2.8

4

1 reference

d0_s11

cone

terete

1 reference

d0_s11

cone

0.8

1

1 reference

d0_s11

fruit beak

size

slender

1 reference

d0_s11

fruit beak

7

9

1 reference

d0_s11

leaf rib

6

1 reference

d0_s11

leaf rib

sharp

1 reference

d0_s11

leaf face

relief

muricate

slightly

1 reference

d0_s11

fruit pappus

white

cream

1 reference

d0_s12

fruit pappus

4.5

6.5

1 reference

d0_s12

chromosome

24

1 reference

d0_s12

chromosome

32

1 reference

d0_s12

chromosome

40

1 reference