Symphyotrichum greatae

(Parish) G. L. Nesom

Phytologia 77: 283. 1995.

Common names: Greata’s aster
EndemicConservation concern
Basionym: Aster greatae Parish Bull. S. Calif. Acad. Sci. 1: 15, fig. 2. 1902
Treatment appears in FNA Volume 20. Treatment on page 532. Mentioned on page 476.

Perennials 50–150 (–200) cm, colonial; long-rhizomatous. Stems 1–5, ascending to erect, sparsely hispid distally. Leaves thin, margins entire to serrate, apices acute, faces scabrous; basal withering by flowering, petiolate, blades elliptic to obovate 30–300 × 15–50 mm, attenuate, margins entire to serrate, apices acute, faces rough-hispidulous; proximalmost cauline sometimes withering by flowering, sessile, blades elliptic to obovate, 100–200 × 20–50 mm, bases rounded to ± clasping, sometimes auriculate, apices acute; distal sessile, blades 20–150 × 10–40 mm, bases cuneate, usually auriculate, apices acute. Heads in paniculiform arrays, branches 10–30 cm. Peduncles sparsely hairy, bracts lanceolate to linear. Involucres campanulate, 5–8 mm. Phyllaries in 4–6 series, narrowly oblong (outer) to linear (inner), unequal to subequal, bases scarious, margins scarious, entire, green zones lanceolate to narrowly elliptic, apices acute, faces glabrate or puberulent. Ray-florets 15–40; corollas violet, laminae 8–15 × 1–2 mm. Disc-florets 35–60+; corollas yellow, 3.5–4 mm, lobes triangular, 0.5–0.8 mm. Cypselae brown, cylindric to obovoid, not compressed, 2.5–3.5 mm, 3–4-nerved, faces hairy; pappi white, 3.5–4 mm. 2n = 16.


Phenology: Flowering Aug.
Habitat: Damp places in chaparral canyons
Elevation: 500–1500 m

Discussion

Of conservation concern.

Symphyotrichum greatae is known from the south slopes of the San Gabriel Mountains.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

... more about "Symphyotrichum greatae"
not tailed +, rounded +  and obtuse +
sessile +  and petiolate +
distinct +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
rough-hispidulous +
entire to serrate +
subequal +
scarious +
20mm +  and 50mm +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +
indeterminate +  and determinate +
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
(Parish) G. L. Nesom +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
auriculate +, cuneate +, acute +, rounded +, elliptic +  and obovate +
scarious +
20mm;50mm +
Aster greatae +
sessile +  and petiolate +
2 cm20 mm <br />0.02 m <br /> (15 cm150 mm <br />0.15 m <br />) +
rough-hispidulous +
acute;auriculate;rounded;elliptic;obovate +
10mm;40mm +
rugulose +  and muricate +
lanceolate +  and linear +
barbellulate +  and barbellate +
sessile +  and petiolate +
Greata’s aster +
not 2-lipped +  and actinomorphic +
yellow +  and violet +
at maturity , more or less ampliate , tubes usually shorter +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
strigillose +  and glabrous +
not compressed +, cylindric +  and obovoid +
fertile +  and bisexual +
fertile +  and bisexual +
500–1500 m +
3 cm30 mm <br />0.03 m <br /> (30 cm300 mm <br />0.3 m <br />) +
hairy +, puberulent +, glabrate +  and rough-hispidulous +
acute;attenuate;elliptic;obovate +
entire to serrate +
1.5 cm15 mm <br />0.015 m <br /> (5 cm50 mm <br />0.05 m <br />) +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Damp places in chaparral canyons +
disciform +  and radiate +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
campanulate +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
2 (?) +  and 5 (?) +
sessile +  and petiolate +
cauline +  and basal +
decurrent +
triangular +
not +  and hyaline +
30mm;300mm +
rough-hispidulous +
acute +, attenuate +, elliptic +  and obovate +
15mm +  and 50mm +
2-carpellate +
persistent +
25 +  and 40 +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering Aug. +
narrowly oblong +  and linear +
unequal +  and subequal +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
flat;slightly convex +
exalbuminous +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.1mm;0.2mm +
Endemic +  and Conservation concern +
branched +  and simple +
ascending +  and erect +
1 +  and 5 +
appendaged +  and truncate +
papillate +  and smooth +
Aster sect. Heterastrum +  and Aster subg. Symphyotrichum +
Symphyotrichum greatae +
Symphyotrichum sect. Occidentales +
species +
funnelform-campanulate +  and cylindric +
at maturity , more or less ampliate , tubes usually shorter +
ampliate +
150 cm1,500 mm <br />1.5 m <br /> (200 cm2,000 mm <br />2 m <br />) +
50 cm500 mm <br />0.5 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
tree +, shrub +  and subshrub +
lanceolate +  and narrowly elliptic +