Symphyotrichum subspicatum (Nees) G. L. Nesom (Q2495)

Flora Commons

accepted id

Symphyotrichum subspicatum (Nees) G.L. Nesom

taxon name

Symphyotrichum subspicatum

(Nees) G.L. Nesom

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 subspicatum

1 reference

taxon authority

(Nees) G.L. Nesom

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

aster de Douglas (French)

1 reference

Douglas' aster (English)

1 reference

Douglas’s aster (English)

1 reference

VasCan taxon numeric id

3588

1 reference

distribution

CA-BC

establishment of distribution

present

native

1 reference

Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.

CA-AB

establishment of distribution

present

native

1 reference

Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.

CA-NB

excluded

1 reference

CA-NS

excluded

1 reference

Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.

Newfoundland, CA

excluded

1 reference

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-YT

establishment of distribution

present

native

1 reference

Bennett, B., P.M. Catling, W.J. Cody & G.W. Argus. 2010. New records of vascular plants in the Yukon Territory VIII. Canadian Field Naturalist 124 (1): 1-27. http://canadianfieldnaturalist.ca/index.php/cfn/article/view/1025

CA-AB

Alta.

1 reference

CA-BC

B.C.

1 reference

US-AK

Alaska

1 reference

US-CA

Calif.

1 reference

US-ID

Idaho

1 reference

US-MT

Mont.

1 reference

US-OR

Oreg.

1 reference

US-WA

Wash.

1 reference

Symphyotrichum sect. Occidentales (Rydberg) G. L. Nesom

parent taxon

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3151704

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Jul–Sep.

1 reference

taxon habitat

marshes

1 reference

thickets

1 reference

weedy meadows

1 reference

disturbed habitats

1 reference

elevation

0–1000 m

1 reference

special status

E

1 reference

taxon description fragment

Stems 1–5+, ascending to erect, proximally glabrous, distally usually glabrous or sparsely puberulent, rarely densely hirsute.

1 reference

d0_s2

Leaves thin, margins entire or often serrate, apices acute, faces glabrous or sparsely puberulent;

1 reference

d0_s3

basal withering by flowering, petiolate to subpetiolate, blades oblanceolate to narrowly elliptic or linear, 50–150 × 3–25 mm, bases attenuate, margins entire or sometimes serrate, apices acute;

1 reference

d0_s4

proximalmost cauline withering by flowering, subpetiolate or sessile, blades obovate or oblanceolate to narrowly elliptic, rarely linear, 50–150 × 4–35 mm, bases attenuate or cuneate;

1 reference

d0_s5

distal sessile, blades 30–100 (–130) × 3–15 (–30) mm, bases cuneate, rounded or sometimes ± auriculate, margins sometimes serrate, scabrous.

1 reference

d0_s6

Heads in open, corymbiform, paniculiform, or racemiform arrays, branches 5–30 cm.

1 reference

d0_s7

Peduncles sparsely hairy, bracts 1–10, lance-oblong to linear, sometimes clasping, margins scabrous.

1 reference

d0_s8

Involucres campanulate, 5–8 (–10) mm.

1 reference

d0_s9

Phyllaries in 4–6 series, appressed or squarrose, oblong or narrowly oblanceolate or linear (outer) to linear (inner), unequal to subequal (outer shorter than or equal to inner, often less than 3 times as long as wide), bases outer indurate less than 1/2 (some foliaceous), inner scarious, margins entire, sometimes ciliate, green zones obovate to elliptic, apices acute to obtuse, faces usually glabrous, rarely sparsely puberulent.

1 reference

d0_s10

Ray-florets 15–45;

1 reference

d0_s11

corollas violet, laminae 10–16 (–20) × (1–) 1.5–2.5 mm.

1 reference

d0_s12

Disc-florets 50–75;

1 reference

d0_s13

corollas yellow becoming reddish, 4–7 mm, lobes triangular, 0.5–1 mm, glabrous.

1 reference

d0_s14

Cypselae brown or purplish, cylindric to obovoid, not compressed, 2–4 mm, 3–6-nerved, faces hairy;

1 reference

d0_s15

pappi whitish to tawny or reddish, 4.5–8 mm. 2n = 48, 64, 80, 96.

1 reference

d0_s16

morphology statement

1

5

1 reference

d0_s2

orientation

ascending

erect

1 reference

d0_s2

glabrous

proximally

1 reference

d0_s2

glabrous

distally usually

1 reference

d0_s2

puberulent

sparsely

1 reference

d0_s2

hirsute

rarely densely

1 reference

d0_s2

thin

1 reference

d0_s3

entire

1 reference

d0_s3

serrate

often

1 reference

d0_s3

acute

1 reference

d0_s3

glabrous

1 reference

d0_s3

puberulent

sparsely

1 reference

d0_s3

withering

1 reference

d0_s4

flowering

1 reference

d0_s4

petiolate

subpetiolate

1 reference

d0_s4

oblanceolate to narrowly

1 reference

d0_s4

elliptic

narrowly

1 reference

d0_s4

attenuate

1 reference

d0_s4

entire

1 reference

d0_s4

course

linear

1 reference

d0_s4

50

150

1 reference

d0_s4

3

25

1 reference

d0_s4

attenuate

1 reference

d0_s4

entire

1 reference

d0_s4

course

linear

1 reference

d0_s4

50

150

1 reference

d0_s4

3

25

1 reference

d0_s4

attenuate

1 reference

d0_s4

entire

1 reference

d0_s4

serrate

sometimes

1 reference

d0_s4

acute

1 reference

d0_s4

withering

1 reference

d0_s5

flowering

1 reference

d0_s5

subpetiolate

1 reference

d0_s5

sessile

1 reference

d0_s5

obovate

1 reference

d0_s5

oblanceolate

1 reference

d0_s5

elliptic

narrowly

1 reference

d0_s5

course

linear

rarely

1 reference

d0_s5

50

150

1 reference

d0_s5

4

35

1 reference

d0_s5

attenuate

1 reference

d0_s5

cuneate

1 reference

d0_s5

sessile

1 reference

d0_s6

atypical length

100

130

1 reference

d0_s6

30

100

1 reference

d0_s6

atypical width

15

30

1 reference

d0_s6

3

15

1 reference

d0_s6

cuneate

1 reference

d0_s6

rounded

1 reference

d0_s6

auriculate

sometimes more or less

1 reference

d0_s6

serrate

sometimes

1 reference

d0_s6

relief

scabrous

1 reference

d0_s6

inflorescence branch

5

30

1 reference

d0_s7

inflorescence peduncle

hairy

sparsely

1 reference

d0_s8

inflorescence peduncle bract

1

10

1 reference

d0_s8

inflorescence peduncle bract

lance-oblong

linear

1 reference

d0_s8

inflorescence peduncle bract

fixation

clasping

sometimes

1 reference

d0_s8

relief

scabrous

1 reference

d0_s8

inflorescence involucre

campanulate

1 reference

d0_s9

inflorescence involucre

atypical some measurement

8

10

1 reference

d0_s9

inflorescence involucre

5

8

1 reference

d0_s9

position

outer

1 reference

d0_s10

texture

indurate

1 reference

d0_s10

0

1/2

1 reference

d0_s10

position

inner

1 reference

d0_s10

texture

scarious

1 reference

d0_s10

entire

1 reference

d0_s10

ciliate

sometimes

1 reference

d0_s10

acute

obtuse

1 reference

d0_s10

glabrous

usually

1 reference

d0_s10

puberulent

rarely sparsely

1 reference

d0_s10

inflorescence flower ray-floret

15

45

1 reference

d0_s11

inflorescence flower corolla

violet

1 reference

d0_s12

atypical length

16

20

1 reference

d0_s12

10

16

1 reference

d0_s12

atypical width

1

1.5

1 reference

d0_s12

1.5

2.5

1 reference

d0_s12

inflorescence flower corolla

yellow becoming reddish

becoming

1 reference

d0_s14

inflorescence flower corolla

4

7

1 reference

d0_s14

inflorescence flower corolla lobe

triangular

1 reference

d0_s14

inflorescence flower corolla lobe

0.5

1

1 reference

d0_s14

inflorescence flower corolla lobe

glabrous

1 reference

d0_s14

hairy

1 reference

d0_s15

fruit pappus

whitish

tawny or reddish

1 reference

d0_s16

fruit pappus

4.5

8

1 reference

d0_s16

48

1 reference

d0_s16

64

1 reference

d0_s16

80

1 reference

d0_s16

96

1 reference

d0_s16

open

1 reference

d0_s7

corymbiform

1 reference

d0_s7

paniculiform

1 reference

d0_s7

racemiform

1 reference

d0_s7

inflorescence flower disc-floret

50

75

1 reference

d0_s13

brown

1 reference

d0_s15

purplish

1 reference

d0_s15

cylindric

obovoid

1 reference

d0_s15

compressed

not

1 reference

d0_s15

2

4

1 reference

d0_s15

3-6-nerved

1 reference