Difference between revisions of "Cirsium pitcheri (Torrey ex Eaton) Torrey &amp; A. Gray (Q3020) "

taxon name

Cirsium pitcheri

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taxon authority

(Torrey ex Eaton) Torrey & A. Gray

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taxon rank

species

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taxon status

accepted

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common name

chardon de Pitcher (French)

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Pitcher's thistle (English)

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dune thistle (English)

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sanddune thistle (English)

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Dune or sand-dune thistle (English)

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VasCan taxon numeric id

3000

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distribution

CA-ON

establishment of distribution

occurrence status

present

native

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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-ON

Ont.

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US-IL

Ill.

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US-IN

Ind.

1 reference

US-MI

Mich.

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US-WI

Wis.

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parent taxon

Cirsium Miller

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taxon habit

herb

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GBIF taxon key

3113668

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering spring–summer (May–Sep).

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taxon habitat

sand dunes

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beaches

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elevation

180–200 m

measurement range from

180 meter

measurement range to

200 meter

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special status

E

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taxon description fragment

taproots long.

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d0_s1

Stems 1 or few, erect, densely gray-tomentose;

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d0_s2

branches 0 to several, ascending to spreading.

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d0_s3

Leaves: blades elliptic to obovate, 10–30 × 8–14 cm, deeply divided nearly to midveins, lobes ascending to spreading, linear, remote, margins revolute, entire or minutely spinulose, main spines 1–2 mm, faces gray-tomentose, more densely so abaxially;

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d0_s4

basal present or withered at flowering, petiolate;

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d0_s5

principal cauline well distributed, bases decurrent as linear-lobed to spiny wings 1–3 cm;

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d0_s6

distal cauline well developed.

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d0_s7

Heads 1–20+ in corymbiform arrays.

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d0_s8

Peduncles 0–5 cm.

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d0_s9

Involucres ovoid to campanulate, 2–3 × 2–3 cm, loosely arachnoid on phyllary margins or glabrate.

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d0_s10

Phyllaries in 6–8 series, imbricate, ovatelanceolate (outer) to linear-lanceolate (inner), abaxial faces with narrow glutinous ridge;

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d0_s11

outer and middle appressed, acute, spines ascending to spreading, slender, 1–2 (–3) mm;

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d0_s12

apices of inner often flexuous, flattened, spineless, scabrid.

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d0_s13

Corollas dull white or pinkish-tinged (rarely rich purple), 20–30 mm, tubes 8.5–15 mm, throats 4.5–10 mm, lobes 3–8 mm;

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d0_s14

style tips 3.5–5.5 mm.

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d0_s15

Cypselae light-brown, sometimes with darker streaks, 6–7.5 mm, apical collars lighter colored, very narrow;

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d0_s16

2n = 34.

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d0_s18

morphology statement

1

1 reference

d0_s2

few

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d0_s2

erect

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d0_s2

gray-tomentose

densely

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d0_s2

inflorescence branch

presence

absent

1 reference

d0_s3

inflorescence branch

several

1 reference

d0_s3

inflorescence branch

ascending

spreading

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d0_s3

elliptic

obovate

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d0_s4

10

30

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d0_s4

width

8

14

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d0_s4

divided

deeply

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d0_s4

ascending

spreading

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d0_s4

course

linear

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d0_s4

density

remote

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d0_s4

inflorescence palea margin

vernation

revolute

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d0_s4

inflorescence palea margin

entire

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d0_s4

inflorescence palea margin

spinulose

minutely

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d0_s4

1

2

1 reference

d0_s4

leaf face

gray-tomentose

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d0_s4

presence

absent

1 reference

d0_s5

life cycle

withered

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d0_s5

petiolate

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d0_s5

distributed

well

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d0_s6

inflorescence phyllaries base

decurrent

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d0_s6

development

developed

well

1 reference

d0_s7

inflorescence peduncle

0

5

1 reference

d0_s9

ovoid

campanulate

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d0_s10

2

3

1 reference

d0_s10

width

2

3

1 reference

d0_s10

arachnoid

loosely

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d0_s10

glabrate

1 reference

d0_s10

inflorescence phyllary

imbricate

1 reference

d0_s11

inflorescence phyllary

ovatelanceolate

linear-lanceolate

1 reference

d0_s11

leaf face

position

outer

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d0_s12

ascending

spreading

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d0_s12

slender

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d0_s12

atypical some measurement

2

3

1 reference

d0_s12

1

2

1 reference

d0_s12

inflorescence flower gynoecium pistil style apex

flattened

1 reference

d0_s13

inflorescence flower gynoecium pistil style apex

spineless

1 reference

d0_s13

inflorescence flower gynoecium pistil style apex

relief

scabrid

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d0_s13

dull

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d0_s14

white

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d0_s14

pinkish-tinged

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d0_s14

20

30

1 reference

d0_s14

inflorescence flower corolla tube

8.5

15

1 reference

d0_s14

inflorescence flower perianth throat

4.5

10

1 reference

d0_s14

3

8

1 reference

d0_s14

inflorescence phyllary tip

3.5

5.5

1 reference

d0_s15

root collar

lighter colored

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d0_s16

root collar

width

narrow

very

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d0_s16

fruit pappus

15

30

1 reference

d0_s18

fruit pappus

height

usually noticeably shorter

1 reference

d0_s18

chromosome

34

1 reference

d0_s18

root taproot

long

1 reference

d0_s1

inflorescence flower petal venation midvein wing

linear-lobed

spiny

1 reference

d0_s6

inflorescence flower petal venation midvein wing

1

3

1 reference

d0_s6

general structure head

1

20

1 reference

d0_s8

general structure bundle array

corymbiform

1 reference

d0_s8

fruit cypsela

light-brown

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d0_s16

fruit cypsela

6

7.5

1 reference