Symphyotrichum prenanthoides (Muhlenberg ex Willdenow) G. L. Nesom (Q2423)
Revision as of 11:36, 23 June 2022 by WikibaseAdmin (talk | contribs) (Changed label, description and/or aliases in en, and other parts)
Symphyotrichum prenanthoides is a taxon with the rank species within the section Symphyotrichum sect. Symphyotrichum
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
Symphyotrichum prenanthoides (Muhlenberg ex Willdenow) G. L. Nesom
|
Symphyotrichum prenanthoides is a taxon with the rank species within the section Symphyotrichum sect. Symphyotrichum
|
Statements
taxon/id/Symphyotrichum prenanthoides (Muhlenberg ex Willdenow) G.L. Nesom
0 references
Symphyotrichum prenanthoides (Muhlenberg ex Willdenow) G.L. Nesom
Symphyotrichum prenanthoides
(Muhlenberg ex Willdenow) 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.
accepted
1 reference
CA-ON
1 reference
Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
CA-ON
1 reference
US-CT
1 reference
US-DE
1 reference
US-DC
1 reference
US-IL
1 reference
US-IN
1 reference
US-IA
1 reference
US-KY
1 reference
US-MD
1 reference
US-MA
1 reference
US-MI
1 reference
US-MN
1 reference
US-NJ
1 reference
US-NY
1 reference
US-NC
1 reference
US-OH
1 reference
US-PA
1 reference
US-VA
1 reference
US-WV
1 reference
US-WI
1 reference
100–1500 m
100 meter
1,500 meter
1 reference
Stems 1 (–3+), ascending to erect (usually flexuous, sometimes ± straight, sometimes stout, older often dark purple), glabrous proximally, moderately hirsute distally.
1 reference
Leaves thin, margins scabrous, apices mucronate, abaxial faces glabrous, midveins hispid to glabrate, adaxial scabrous;
1 reference
basal withering by flowering, petiolate (petioles slender or slightly winged, bases reddish, dilated, sheathing, ciliate), blades obovate to oblanceolate, 15–70 × 10–20 mm, bases attenuate, margins crenate-serrate, apices acute to obtuse;
1 reference
proximalmost cauline withering by flowering, proximal mostly persistent, petiolate to subpetiolate (petioles ± widely winged, bases dilated, strongly auriculate-clasping), blades ovate to lanceovate or elliptic-lanceolate to oblanceolate, 80–160 (–200) × 15–55 mm, progressively reduced distally, bases attenuate, margins sharply serrate (teeth mucronulate), apices acuminate to subcaudate;
1 reference
distal subpetiolate or sessile (petioles broadly winged, auriculate-clasping), blades oblanceolate to lanceolate, sometimes panduriform, 7–90 × 2–25 mm, progressively reduced distally, more sharply so on branches, bases attenuate (petiolate) or ± cuneate to auriculate-clasping and slightly constricted above auricles (panduriform), margins serrate or entire.
1 reference
Heads in broad, ± flat, corymbo-paniculiform arrays, branches often purplish, divaricate to ascending, slender.
1 reference
Peduncles (8–) 10–40 mm, sparsely to densely hispid, bracts lanceolate to linear-lanceolate, 3–12 mm, somewhat grading into phyllaries.
1 reference
Involucres campanulate, 5–6 mm.
1 reference
Phyllaries in 4–6 series, oblong-lanceolate or oblanceolate, slightly constricted near middle (outer) to linear-lanceolate or linear (inner), ± unequal (flexible), bases indurate 1/5–1/2, margins ± narrowly hyaline, scarious, erose, sometimes ciliolate distally, green zones lanceolate to linear-lanceolate (inner), often distally foliaceous, sometimes outer ± entirely so, apices spreading to ± squarrose, acute to acuminate, mucronulate, abaxial faces sparsely hirsutulous to glabrate or glabrous, adaxial glabrous or sparsely hirsutulous.
1 reference
Ray-florets 17–25 (–30);
1 reference
corollas usually lavender to blue, rarely white, laminae 7.5–12 (–15) × 1–2 mm.
1 reference
Disc-florets 39–50 (–65);
1 reference
corollas cream colored or light yellow becoming purple or brown, 3.5–5 mm, tubes ± equaling campanulate to funnelform throats (thinly puberulent), lobes triangular, 0.5–1 mm.
1 reference
Cypselae dull purple or stramineous with purple streaks or purplish-tinged, cylindro-oblanceoloid to obovoid, ± compressed, 2–3 (–3.5) mm, 4–6-nerved, faces sparsely to moderately strigillose;
1 reference
pappi sordid, 3.5–4.5 mm. 2n = 32.
1 reference
1 reference
1 reference
1 reference
1 reference
hirsute
moderately; distally
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
lanceovate or elliptic-lanceolate
1 reference
1 reference
1 reference
1 reference
reduced
progressively; distally
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
reduced
progressively; distally
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
sparsely hirsutulous
glabrate or glabrous
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
light yellow becoming purple or brown
becoming; becoming
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
cylindro-oblanceoloid
obovoid
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
strigillose
sparsely to moderately
1 reference
1 reference
1 reference