Symphyotrichum hendersonii (Fernald) G. L. Nesom (Q2497)

Flora Commons

accepted id

Symphyotrichum hendersonii (Fernald) G.L. Nesom

taxon name

Symphyotrichum hendersonii

(Fernald) 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 hendersonii

1 reference

taxon authority

(Fernald) G.L. Nesom

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

common name

Henderson’s aster (English)

1 reference

aster de Henderson (French)

1 reference

Henderson’s aster (English)

1 reference

VasCan taxon numeric id

32318

1 reference

distribution

CA-BC

establishment of distribution

occurrence status

present

native

1 reference

publication

University of British Columbia Herbarium (UBC), Vancouver, BC. Specimen. http://www.beatymuseum.ubc.ca/herbarium/index.html

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

3151676

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

phenology

Flowering Jul–Aug.

1 reference

taxon habitat

meadows

1 reference

stream banks

1 reference

forest openings

1 reference

elevation

1000–1500+ m

measurement range from

1,000 meter

measurement range to

1,500 meter

1 reference

special status

E

1 reference

taxon description fragment

Stems 1–5+, ascending to erect, glabrous or puberulent, especially distally.

1 reference

d0_s2

Leaves thin, margins entire, apices acute, faces glabrous or scabridulous;

1 reference

d0_s3

basal persistent or withering by flowering, petiolate, blades oblanceolate, 50–150 × 10–20 mm, bases attenuate or cuneate;

1 reference

d0_s4

proximal cauline sessile, blades elliptic to oblanceolate, 80–200 × 10–25 mm, bases cuneate, auriculate;

1 reference

d0_s5

distal sessile, 40–80 × 7–20 mm, reduced distally.

1 reference

d0_s6

Heads in paniculiform arrays, branches numerous, 10–45 cm.

1 reference

d0_s7

Peduncles sparsely to densely hairy, bracts 3–10, acute, lanceolate to linear, bases auriculate.

1 reference

d0_s8

Involucres campanulate, 5–10 mm.

1 reference

d0_s9

Phyllaries in 4–5 series, narrowly oblong or linear (outer) to linear (inner), unequal, bases scarious, margins entire, sometimes proximally ciliate, green zones linear, apices acute, faces glabrous.

1 reference

d0_s10

Ray-florets 25–45;

1 reference

d0_s11

corollas violet, laminae 9–15 × 1–2.5 mm.

1 reference

d0_s12

Disc-florets (50–) 70–80;

1 reference

d0_s13

corollas yellow, 5–6 mm, lobes triangular, 0.5–0.8 mm.

1 reference

d0_s14

Cypselae brown, cylindric to obovoid, not compressed, 3–3.5 mm, 3–4-nerved, faces hairy;

1 reference

d0_s15

pappi white, 4.5–5 mm. 2n = 16, 32.

1 reference

d0_s16

morphology statement

1

5

1 reference

d0_s2

orientation

ascending

erect

1 reference

d0_s2

glabrous

1 reference

d0_s2

puberulent

1 reference

d0_s2

thin

1 reference

d0_s3

inflorescence palea margin

entire

1 reference

d0_s3

inflorescence flower gynoecium pistil style apex

acute

1 reference

d0_s3

glabrous

1 reference

d0_s3

relief

scabridulous

1 reference

d0_s3

duration

persistent

1 reference

d0_s4

life cycle

withering

1 reference

d0_s4

life cycle

flowering

1 reference

d0_s4

petiolate

1 reference

d0_s4

oblanceolate

1 reference

d0_s4

50

150

1 reference

d0_s4

10

20

1 reference

d0_s4

attenuate

1 reference

d0_s4

cuneate

1 reference

d0_s4

life cycle

flowering

1 reference

d0_s4

petiolate

1 reference

d0_s4

oblanceolate

1 reference

d0_s4

50

150

1 reference

d0_s4

10

20

1 reference

d0_s4

attenuate

1 reference

d0_s4

cuneate

1 reference

d0_s4

sessile

1 reference

d0_s5

elliptic

oblanceolate

1 reference

d0_s5

80

200

1 reference

d0_s5

10

25

1 reference

d0_s5

cuneate

1 reference

d0_s5

auriculate

1 reference

d0_s5

sessile

1 reference

d0_s6

40

80

1 reference

d0_s6

7

20

1 reference

d0_s6

size

reduced

distally

1 reference

d0_s6

inflorescence branch

numerous

1 reference

d0_s7

inflorescence branch

10

45

1 reference

d0_s7

inflorescence peduncle

hairy

sparsely to densely

1 reference

d0_s8

inflorescence peduncle bract

3

10

1 reference

d0_s8

inflorescence peduncle bract

acute

1 reference

d0_s8

inflorescence peduncle bract

lanceolate

linear

1 reference

d0_s8

auriculate

1 reference

d0_s8

inflorescence involucre

campanulate

1 reference

d0_s9

inflorescence involucre

5

10

1 reference

d0_s9

texture

scarious

1 reference

d0_s10

inflorescence palea margin

entire

1 reference

d0_s10

inflorescence palea margin

ciliate

sometimes proximally

1 reference

d0_s10

inflorescence flower gynoecium pistil style apex

acute

1 reference

d0_s10

glabrous

1 reference

d0_s10

inflorescence flower ray-floret

25

45

1 reference

d0_s11

inflorescence flower corolla

violet

1 reference

d0_s12

inflorescence flower ray lamina

9

15

1 reference

d0_s12

inflorescence flower ray lamina

1

2.5

1 reference

d0_s12

inflorescence flower corolla

yellow

1 reference

d0_s14

inflorescence flower corolla

5

6

1 reference

d0_s14

inflorescence flower corolla lobe

triangular

1 reference

d0_s14

inflorescence flower corolla lobe

0.5

0.8

1 reference

d0_s14

hairy

1 reference

d0_s15

fruit pappus

white

1 reference

d0_s16

fruit pappus

4.5

5

1 reference

d0_s16

chromosome

16

1 reference

d0_s16

chromosome

32

1 reference

d0_s16

general structure bundle array

paniculiform

1 reference

d0_s7

inflorescence flower disc-floret

atypical quantity

50

70

1 reference

d0_s13

inflorescence flower disc-floret

70

80

1 reference

d0_s13

brown

1 reference

d0_s15

cylindric

obovoid

1 reference

d0_s15

compressed

not

1 reference

d0_s15

3

3.5

1 reference

d0_s15

3-4-nerved

1 reference