Difference between revisions of "Symphyotrichum parviceps (E. S. Burgess) G. L. Nesom (Q2468) "

Flora Commons

accepted id

Symphyotrichum parviceps (E.S. Burgess) G.L. Nesom

taxon name

Symphyotrichum parviceps

taxon authority

(E.S. Burgess) 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 parviceps

1 reference

taxon authority

(E.S. Burgess) G.L. Nesom

1 reference

taxon rank

species

1 reference

taxon status

accepted

1 reference

VasCan taxon numeric id

28810

1 reference

distribution

CA-ON

occurrence status

excluded

1 reference

publication

Semple, J.C., S.B. Heard & L. Brouillet. 2002. Cultivated and Native Asters of Ontario (Compositae: Astereae). University of Waterloo Biology Series 41.

CA-NS

occurrence status

excluded

1 reference

publication

E.C. Smith Herbarium (ACAD), Acadia University, NS. Specimen. http://herbarium.acadiau.ca/

US-AR

Ark.

1 reference

US-IL

Ill.

1 reference

US-IA

Iowa

1 reference

US-KS

Kans.

1 reference

US-MO

Mo.

1 reference

US-OK

Okla.

1 reference

Symphyotrichum sect. Symphyotrichum

parent taxon

1 reference

taxon habit

herb

1 reference

GBIF taxon key

3151440

1 reference

Global Biodiversity Information Facility

IUCN Redlist Category

NE

1 reference

Global Biodiversity Information Facility

common name

Smallhead or small white aster (English)

1 reference

phenology

Flowering Aug–Oct.

1 reference

taxon habitat

open

1 reference

dry

1 reference

sandy

1 reference

loamy soils

1 reference

open woods

1 reference

barrens

1 reference

prairies

1 reference

fields

1 reference

roadsides

1 reference

old cemeteries

1 reference

elevation

200–400 m

measurement range from

200 meter

measurement range to

400 meter

1 reference

special status

F

1 reference

E

1 reference

taxon description fragment

long-rhizomatous or with short, branched caudices.

1 reference

d0_s1

Stems 1–3+, ascending to erect (straight, slender, reddish), sparsely to densely pilosulous to hirtellous, proximally glabrescent.

1 reference

d0_s2

Leaves thin, margins strigoso-ciliate to scabrous, apices mucronulate, abaxial faces glabrate to sparsely pilose and midveins ± pilose to glabrate, adaxial glabrous or glabrate to pilosulous or hirsutulous;

1 reference

d0_s3

basal withering by flowering, subpetiolate, blades oblanceolate to narrowly oblanceolate or spatulate, 10–40 × 3–7 mm, bases cuneate, sheathing, margins sparsely serrate apically, apices obtuse, mucronate, faces sparsely pilose;

1 reference

d0_s4

proximal cauline usually withering by flowering, sessile or subsessile (often with axillary clusters of small leaves), blades oblanceolate to lanceolate, 40–80 × 2–5 mm, bases cuneate, margins entire or serrulate apically;

1 reference

d0_s5

distal sessile, blades linear to subulate, 4–100 × 1–6 mm, reduced distally, bases cuneate, margins entire to weakly serrulate, faces glabrate or glabrous.

1 reference

d0_s6

Heads in narrow or wide, pyramidal, paniculiform arrays, branches ascending or arching, secondary branches (10 cm or less) secund and erect, densely leafy, heads crowded, sparsely to moderately pilose.

1 reference

d0_s7

Peduncles 3–20 (–40) mm, glabrate or glabrous, bracts 3–6+, appressed or ascending, linear to subulate, 2–4 mm, scabrous, aristate, glabrous, grading into phyllaries.

1 reference

d0_s8

Involucres cylindric to cylindro-campanulate, (2.7–) 3.1–4.1 (–4.9) × ± 3 mm.

1 reference

d0_s9

Phyllaries in 3–5 series, appressed, subulate (outermost) to oblong-lanceolate to linear-lanceolate (inner) or linear (innermost), unequal, bases indurate 1/2–3/4, margins scarious, erose, hyaline, sparsely ciliolate or not, green zones lanceolate, apices slightly spreading, often purplish, often involute, acute to acuminate or cuspidate, sometimes aristate, faces usually glabrous, sometimes glabrate.

1 reference

d0_s10

Ray-florets (9–) 11–17 (–23);

1 reference

d0_s11

corollas usually white, seldom pink, laminae (3.7–) 5–5.5 (–7.3) × 0.6–1.3 mm.

1 reference

d0_s12

Disc-florets 5–16 (–28);

1 reference