Difference between revisions of "Symphyotrichum pilosum (Willdenow) G. L. Nesom (Q2450) "

Flora Commons

accepted id

Symphyotrichum pilosum (Willdenow) G.L. Nesom

taxon name

Symphyotrichum pilosum

taxon authority

(Willdenow) G.L. Nesom

taxon rank

species

publication

FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.

taxon status

accepted

1 reference

taxon name

Symphyotrichum pilosum

1 reference

taxon authority

(Willdenow) G.L. Nesom

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

old field aster (English)

1 reference

white old field aster (English)

1 reference

white heath aster (English)

1 reference

hairy aster (English)

1 reference

hairy white old field aster (English)

1 reference

frostweed (English)

1 reference

awl aster (English)

1 reference

aster poilu (French)

1 reference

Oldfield or frost weed or white oldfield or hairy or hairy white oldfield aster (English)

1 reference

aster poilu (English)

1 reference

VasCan taxon numeric id

3574

1 reference

Symphyotrichum sect. Symphyotrichum

parent taxon

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3151755

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

distribution

CA-BC

B.C.

1 reference

CA-NB

N.B.

1 reference

CA-NS

N.S.

1 reference

CA-ON

Ont.

1 reference

CA-QC

Que.

1 reference

US-AL

Ala.

1 reference

US-AR

Ark.

1 reference

US-CT

Conn.

1 reference

US-DC

D.C.

1 reference

US-DE

Del.

1 reference

US-FL

Fla.

1 reference

US-GA

Ga.

1 reference

US-IL

Ill.

1 reference

US-IN

Ind.

1 reference

US-IA

Iowa

1 reference

US-KS

Kans.

1 reference

US-KY

Ky.

1 reference

US-ME

Maine

1 reference

US-MA

Mass.

1 reference

US-MD

Md.

1 reference

US-MI

Mich.

1 reference

US-MN

Minn.

1 reference

US-MS

Miss.

1 reference

US-MO

Mo.

1 reference

US-NC

N.C.

1 reference

US-NH

N.H.

1 reference

US-NJ

N.J.

1 reference

US-NY

N.Y.

1 reference

US-NE

Nebr.

1 reference

US-OH

Ohio

1 reference

US-OK

Okla.

1 reference

US-PA

Pa.

1 reference

US-RI

R.I.

1 reference

US-SC

S.C.

1 reference

US-SD

S.Dak.

1 reference

US-TN

Tenn.

1 reference

US-VA

Va.

1 reference

US-VT

Vt.

1 reference

US-WV

W.Va.

1 reference

US-WI

Wis.

1 reference

special status

E

1 reference

taxon description fragment

with stout, branched caudices, sometimes long-rhizomatous.

1 reference

d0_s1

Stems 1–5+, ascending to erect (straight, stout), glabrate to hirsuto-hispid or pilose, sometimes glabrous or hairy in lines (var. pringlei).

1 reference

d0_s2

Leaves thin, margins ciliate, apices acute to acuminate, mucronate, faces glabrous or ± hirsute (particularly on abaxial midveins);

1 reference

d0_s3

basal withering by flowering (new vernal rosettes developing at flowering), petiolate to subpetiolate (petioles winged, ciliate, bases sheathing), blades oblanceolate or obovate to spatulate, 10–60 × 5–15 mm, bases attenuate, margins sparsely crenate-serrate (mostly apically), apices obtuse to rounded;

1 reference

d0_s4

proximal cauline usually deciduous at flowering (often with axillary clusters of small leaves), petiolate or subpetiolate to subsessile (petioles narrowly to broadly winged, clasping), blades elliptic-oblanceolate or oblong to linear-lanceolate or oblanceolate, 40–102 × 5–25 mm, progressively reduced distally, bases attenuate to cuneate, ± clasping, margins entire to serrate, softly ciliate, apices attenuate, hyaline-spinulose;

1 reference

d0_s5

distal sessile, blades lance-oblong to linear-lanceolate to linear or linear-oblanceolate or linear-subulate, 10–100 × 1–8 mm, progressively reduced distally, branch leaves abruptly smaller, bases cuneate, margins entire or serrulate.

1 reference

d0_s6

Heads in open, leafy, often pyramidal, paniculiform arrays, branches divaricate or branches 10 cm or less ascending, often arched and secund, sometimes racemiform.

1 reference

d0_s7

Peduncles 5–30 (–50) mm, progressively shorter distally, glabrous or densely hispid, bracts 7–25+, appressed to ascending, sometimes ± spreading, linear to subulate, glabrate, ciliate or not, mucronate to apiculate, ± grading into phyllaries.

1 reference

d0_s8

Involucres campanulate to cylindro-campanulate, (2.5–) 3.5–5.1 (–6.5) mm.

1 reference

d0_s9

Phyllaries in 4–6 series, appressed or slightly spreading, oblong-lanceolate (outer) to linear (innermost), unequal (rarely subequal), bases indurate 1/2–3/5, margins hyaline, scarious, erose, ± ciliolate distally, green zones lanceolate to lance-rhombic, apices acute or acuminate, involute, spinulose, faces glabrous or sparsely hirsutulous.

1 reference

d0_s10

Ray-florets (10–) 16–28 (–38);

1 reference

d0_s11

corollas usually white, rarely pinkish or bluish, laminae (4–) 5.4–7.5 (–11) × (0.4–) 0.8–1.3 (–1.7) mm.

1 reference

d0_s12

Disc-florets (13–) 17–39 (–67);

1 reference

d0_s13

corollas light yellow becoming reddish purple or brown, (2.5–) 3–4.1 (–5.5) mm, tubes much shorter than narrowly funnelform throats, lobes lanceolate, (0.4–) 0.6–0.8 (–1) mm.

1 reference

d0_s14

Cypselae whitish or gray, oblong-obovoid, sometimes ± compressed, 1–1.5 × 0.5–0.7 mm, 4–6-nerved, faces sparsely strigillose;

1 reference

d0_s15

pappi white, 3.5–4 mm.

1 reference

d0_s16

morphology statement

stem caudex

fragility

stout

1 reference

d0_s1

stem caudex

branched

1 reference

d0_s1

stem caudex

long-rhizomatous

sometimes

1 reference

d0_s1

1

5

1 reference

d0_s2

ascending

erect

1 reference

d0_s2

glabrate

hirsuto-hispid or pilose

1 reference

d0_s2

glabrous

sometimes

1 reference

d0_s2

hairy

1 reference

d0_s2

thin

1 reference

d0_s3

ciliate

1 reference

d0_s3

acute

acuminate

1 reference

d0_s3

mucronate

1 reference

d0_s3

glabrous

1 reference

d0_s3

hirsute

more or less

1 reference

d0_s3

withering

1 reference

d0_s4

flowering

1 reference

d0_s4

petiolate

subpetiolate

1 reference

d0_s4

obovate

spatulate

1 reference

d0_s4

10

60

1 reference

d0_s4

5

15

1 reference

d0_s4

attenuate

1 reference

d0_s4

crenate-serrate

sparsely

1 reference

d0_s4

obtuse

rounded

1 reference

d0_s4

flowering

1 reference

d0_s4

petiolate

subpetiolate

1 reference

d0_s4

obovate

spatulate

1 reference

d0_s4

10

60

1 reference

d0_s4

5

15

1 reference

d0_s4

attenuate

1 reference

d0_s4

crenate-serrate

sparsely

1 reference

d0_s4

obtuse

rounded

1 reference

d0_s4

flowering

1 reference

d0_s4

petiolate

subpetiolate

1 reference

d0_s4

obovate

spatulate

1 reference

d0_s4

10

60

1 reference

d0_s4

5

15

1 reference

d0_s4

attenuate

1 reference

d0_s4

crenate-serrate

sparsely

1 reference

d0_s4

obtuse

rounded

1 reference

d0_s4

flowering

1 reference

d0_s4

petiolate

subpetiolate

1 reference

d0_s4

obovate

spatulate

1 reference

d0_s4

10

60

1 reference

d0_s4

5

15

1 reference

d0_s4

attenuate

1 reference

d0_s4

crenate-serrate

sparsely

1 reference

d0_s4

obtuse

rounded

1 reference

d0_s4

duration

deciduous

usually

1 reference

d0_s5

40

102

1 reference

d0_s5

5

25

1 reference

d0_s5

reduced

progressively; distally

1 reference

d0_s5

flowering

1 reference

d0_s5

subpetiolate

subsessile

1 reference

d0_s5

oblong

linear-lanceolate or oblanceolate

1 reference

d0_s5

attenuate

cuneate

1 reference

d0_s5

fixation

clasping

more or less

1 reference

d0_s5

entire to serrate

1 reference

d0_s5

ciliate

softly

1 reference

d0_s5

attenuate

1 reference

d0_s5

hyaline-spinulose

1 reference

d0_s5

sessile

1 reference

d0_s6

lance-oblong

linear-lanceolate

1 reference

d0_s6

10

100

1 reference

d0_s6

1

8

1 reference

d0_s6

reduced

progressively; distally

1 reference

d0_s6

smaller

abruptly

1 reference

d0_s6

cuneate

1 reference

d0_s6

entire

1 reference

d0_s6

serrulate

1 reference

d0_s6

arrangement

divaricate

1 reference

d0_s7

10

1 reference

d0_s7

ascending

less

1 reference

d0_s7

arched

often

1 reference

d0_s7

secund

1 reference

d0_s7

racemiform

sometimes

1 reference

d0_s7

30

50

1 reference

d0_s8

5

30

1 reference

d0_s8

height

shorter

progressively; distally

1 reference

d0_s8

glabrous

1 reference

d0_s8

hispid

densely

1 reference

d0_s8

7

25

1 reference

d0_s8

appressed

ascending

1 reference

d0_s8

spreading

sometimes more or less

1 reference

d0_s8

linear

subulate

1 reference

d0_s8

glabrate

1 reference

d0_s8

ciliate

1 reference

d0_s8

not

1 reference

d0_s8

mucronate

apiculate

1 reference

d0_s8

campanulate

cylindro-campanulate

1 reference

d0_s9

2.5

3.5

1 reference

d0_s9

5.1

6.5

1 reference

d0_s9

3.5

5.1

1 reference

d0_s9

texture

indurate

1 reference

d0_s10

1/2

3/5

1 reference

d0_s10

hyaline

1 reference

d0_s10

texture

scarious

1 reference

d0_s10

relief

erose

1 reference

d0_s10

ciliolate

more or less; distally

1 reference

d0_s10

acute

1 reference

d0_s10

acuminate

1 reference

d0_s10

vernation

involute

1 reference

d0_s10

spinulose

1 reference

d0_s10

glabrous

1 reference

d0_s10

hirsutulous

sparsely

1 reference

d0_s10

inflorescence flower ray-floret

10

16

1 reference

d0_s11

inflorescence flower ray-floret

28

38

1 reference

d0_s11

inflorescence flower ray-floret

16

28

1 reference

d0_s11

white

usually

1 reference

d0_s12

pinkish

rarely

1 reference

d0_s12

bluish

1 reference

d0_s12

atypical length

4

5.4

1 reference

d0_s12

atypical length

7.5

11

1 reference

d0_s12

5.4

7.5

1 reference

d0_s12

atypical width

0.4

0.8

1 reference

d0_s12

atypical width

1.3

1.7

1 reference

d0_s12

0.8

1.3

1 reference

d0_s12

light yellow becoming reddish purple or brown

becoming; becoming

1 reference

d0_s14

2.5

3

1 reference

d0_s14

4.1

5.5

1 reference

d0_s14

3

4.1

1 reference

d0_s14

inflorescence flower corolla tube

height

much shorter

1 reference

d0_s14

lanceolate

1 reference

d0_s14

0.4

0.6

1 reference

d0_s14

0.8

1

1 reference

d0_s14

0.6

0.8

1 reference

d0_s14

strigillose

sparsely

1 reference

d0_s15

fruit pappus

white

1 reference

d0_s16

fruit pappus

3.5

4

1 reference

d0_s16

open

1 reference

d0_s7

leafy

1 reference

d0_s7

pyramidal

often

1 reference

d0_s7

paniculiform

1 reference

d0_s7

inflorescence flower disc-floret

13

17

1 reference

d0_s13

inflorescence flower disc-floret

39

67

1 reference

d0_s13

inflorescence flower disc-floret

17

39

1 reference

d0_s13

whitish

1 reference

d0_s15

gray

1 reference

d0_s15

oblong-obovoid

1 reference

d0_s15

compressed

sometimes more or less

1 reference

d0_s15

1

1.5

1 reference

d0_s15

0.5

0.7

1 reference

d0_s15

4-6-nerved

1 reference