Difference between revisions of "Cirsium canescens Nuttall (Q3024) "

Flora Commons

accepted id

Cirsium canescens Nuttall

Cirsium canescens

Nuttall

FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.

taxon status

accepted

1 reference

taxon name

Cirsium canescens

1 reference

taxon authority

Nuttall

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

chardon grisonnant (French)

1 reference

prairie thistle (English)

1 reference

platte thistle (English)

1 reference

Platte or prairie thistle (English)

1 reference

VasCan taxon numeric id

9806

1 reference

distribution

CA-SK

occurrence status

doubtful

1 reference

publication

Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf

US-CA

Calif.

1 reference

US-CO

Colo.

1 reference

US-MO

Mo.

1 reference

US-MT

Mont.

1 reference

US-NE

Nebr.

1 reference

US-NV

Nev.

1 reference

US-SD

S.Dak.

1 reference

US-WY

Wyo.

1 reference

parent taxon

Cirsium Miller

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3112906

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering spring–summer (May–Aug).

1 reference

taxon habitat

sandy

1 reference

gravelly soils

1 reference

short-grass prairie

1 reference

disturbed areas

1 reference

mountain meadows

1 reference

grassy slopes

1 reference

montane coniferous forests

1 reference

elevation

1100–3800 m

measurement range from

1,100 meter

measurement range to

3,800 meter

1 reference

special status

E

1 reference

taxon description fragment

taproots long.

1 reference

d0_s1

Stems usually 1, erect, ± densely gray-tomentose with fine, non-septate trichomes;

1 reference

d0_s2

branches 0 or few, usually above middle in distal 1/2, ascending.

1 reference

d0_s3

Leaves: blades oblong to elliptic or obovate, 10–25 (–40) × 2–6 (–12) cm, coarsely dentate or shallowly lobed to deeply pinnatifid, lobes well separated, triangular to linear or oblong, often revolute-margined, ascending to spreading, spinulose to spinose-dentate, main spines 2–3 (–10) mm, faces gray-tomentose, more densely abaxially, sometimes glabrate adaxially;

1 reference

d0_s4

basal usually present at flowering, winged-petiolate;

1 reference

d0_s5

principal cauline progressively reduced distally, bases decurrent as spiny wings 1–5 cm, sometimes with expanded auricles;

1 reference

d0_s6

distal cauline usually much reduced, less lobed.

1 reference

d0_s7

Heads 1–10+, terminal on branches or in distal axils, in openly corymbiform to racemiform arrays.

1 reference

d0_s8

Peduncles 0–10 cm.

1 reference

d0_s9

Involucres hemispheric to broadly campanulate, usually truncate or indented at base, 3–4 × 2.5–4 cm in first-formed heads, often smaller (1.5–2 cm) in later ones, loosely arachnoid on phyllary margins or glabrate.

1 reference

d0_s10

Phyllaries in 6–9 series, imbricate, ovatelanceolate (outer) to linear-lanceolate (inner), abaxial faces with prominent glutinous ridge;

1 reference

d0_s11

bodies of outer and middle appressed, acute, spines ascending to spreading, 2–4 (–8) mm;

1 reference

d0_s12

apices of inner expanded and flat, often twisted, scabrid-margined, and erose, spineless.

1 reference

d0_s13

Corollas dull white or lavender-tinged, 20–35 mm, tubes 10–17 mm, throats 6–11 mm, lobes 4–9 mm;

1 reference

d0_s14

style tips 5–8 mm.

1 reference

d0_s15

Cypselae light-brown, 5–7 mm, sometimes with darker streaks, apical collar very narrow, lighter colored;

1 reference

d0_s16

2n = 34, 36.

1 reference

d0_s18

morphology statement

stem

1

1 reference

d0_s2

stem

erect

1 reference

d0_s2

stem

gray-tomentose

more or less densely

1 reference

d0_s2

inflorescence branch

presence

absent

1 reference

d0_s3

inflorescence branch

few

1 reference

d0_s3

inflorescence branch

ascending

1 reference

d0_s3

oblong

elliptic or obovate

1 reference

d0_s4

atypical length

25

40

1 reference

d0_s4

10

25

1 reference

d0_s4

atypical width

6

12

1 reference

d0_s4

2

6

1 reference

d0_s4

shallowly lobed

deeply pinnatifid

1 reference

d0_s4

arrangement

separated

well

1 reference

d0_s4

triangular

linear or oblong

1 reference

d0_s4

revolute-margined

often

1 reference

d0_s4

ascending

spreading

1 reference

d0_s4

spinulose

spinose-dentate

1 reference

d0_s4

atypical some measurement

3

10

1 reference

d0_s4

2

3

1 reference

d0_s4

leaf face

gray-tomentose

1 reference

d0_s4

leaf face

glabrate

densely abaxially; abaxially; sometimes; adaxially

1 reference

d0_s4

presence

absent

usually

1 reference

d0_s5

winged-petiolate

1 reference

d0_s5

reduced

progressively; distally

1 reference

d0_s6

inflorescence phyllaries base

decurrent

1 reference

d0_s6

inflorescence flower petal auricle

expanded

1 reference

d0_s6

reduced

usually much

1 reference

d0_s7

lobed

less

1 reference

d0_s7

inflorescence peduncle

0

10

1 reference

d0_s9

hemispheric

broadly campanulate usually truncate or indented

1 reference

d0_s10

hemispheric

broadly campanulate usually truncate or indented

1 reference

d0_s10

3

4

1 reference

d0_s10

2.5

4

1 reference

d0_s10

smaller

often

1 reference

d0_s10

arachnoid

loosely

1 reference

d0_s10

glabrate

1 reference

d0_s10

inflorescence phyllary

arrangement

imbricate

1 reference

d0_s11

inflorescence phyllary

ovatelanceolate

linear-lanceolate

1 reference

d0_s11

ascending

spreading

1 reference

d0_s12

atypical some measurement

4

8

1 reference

d0_s12

2

4

1 reference

d0_s12

expanded

1 reference

d0_s13

prominence

flat

1 reference

d0_s13

twisted

often

1 reference

d0_s13

scabrid-margined

1 reference

d0_s13

relief

erose

1 reference

d0_s13

spineless

1 reference

d0_s13

dull

1 reference

d0_s14

white

1 reference

d0_s14

lavender-tinged

1 reference

d0_s14

20

35

1 reference

d0_s14

inflorescence flower corolla tube

10

17

1 reference

d0_s14

inflorescence flower perianth throat

6

11

1 reference

d0_s14

4

9

1 reference

d0_s14

inflorescence phyllary tip

5

8

1 reference

d0_s15

root collar

narrow

very

1 reference

d0_s16

root collar

lighter colored

1 reference

d0_s16

fruit pappus

18

30

1 reference

d0_s18

fruit pappus

height

usually noticeably shorter

1 reference

d0_s18

chromosome

34

1 reference

d0_s18

chromosome

36

1 reference

d0_s18

root taproot

long

1 reference

d0_s1

tissue epidermis armature trichome

fine

1 reference

d0_s2

tissue epidermis armature trichome

non-septate

1 reference

d0_s2

inflorescence flower petal venation midvein wing

spiny

1 reference

d0_s6

inflorescence flower petal venation midvein wing

1

5

1 reference

d0_s6

general structure head

1

10

1 reference

d0_s8

general structure head

position

structure subtype

terminal

1 reference

d0_s8

general structure bundle array

openly corymbiform

racemiform

1 reference

d0_s8

fruit cypsela

light-brown

1 reference

d0_s16

fruit cypsela

5

7

1 reference