Erigeron pringlei

A. Gray

Proc. Amer. Acad. Arts 17: 210. 1882.

Common names: Pringle’s fleabane
Treatment appears in FNA Volume 20. Treatment on page 309. Mentioned on page 262, 264, 272.

Perennials, 4–16 cm; taprooted, caudex branches relatively thick, short, retaining old leaf-bases. Stems erect, sparsely to moderately strigose, eglandular. Leaves basal (persistent) and cauline; basal blades obovate-spatulate, (10–) 20–60 × 4–10 mm, margins apically 3-lobed to pinnatifid (lobes 2–3 (–5) pairs), faces sparsely strigose, eglandular; cauline blades narrowly oblanceolate, gradually reduced distally, margins entire. Heads 1 (–3). Involucres 3.5–4.5 × 5–6 mm. Phyllaries in 3–4 series (purplish), glabrous or sparsely strigose, minutely glandular. Ray-florets 20–35; corollas white to pinkish, sometimes with abaxial lilac midstripe, 6–8 mm, laminae reflexing. Disc corollas 2.5–3.5 mm. Cypselae 1.2–1.6 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae or lanceolate scales, inner (persistent) of 11–16 bristles.


Phenology: Flowering May–Aug(–Sep).
Habitat: Ledges and crevices, usually shaded
Elevation: 1500–2800 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
... more about "Erigeron pringlei"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +, corymbiform +  and loose +
indeterminate +  and determinate +
Guy L. Nesom +
A. Gray +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
obovate-spatulate +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
decurrent +
linear;lanceolate oblanceolate or spatulate +
rugulose +  and muricate +
Pringle’s fleabane +
not 2-lipped +  and actinomorphic +
white +  and pinkish +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
fertile +  and bisexual +
1500–2800 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Ledges and crevices, usually shaded +
disciform +  and discoid +
in loose , corymbiform or paniculiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
turbinate;hemispheric +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
petiolate +  and sessile +
cauline +  and basal +
erect;spreading +
deltate +
apically 3-lobed +  and pinnatifid +
Not (?) +  and Scarious (?) +
2-carpellate +
Flowering May–Aug(–Sep). +
3-nerved +  and 1-nerved +
strigose +  and glabrous +
narrowly elliptic +  and linear-lanceolate +
Proc. Amer. Acad. Arts +
bearing subulate enations +, hairy +  and bristly +
lanceolate +
exalbuminous +
prostrate +  and decumbent +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron pringlei +
Erigeron +
species +
inflated +  and tubular +
90 cm900 mm <br />0.9 m <br /> (100 cm1,000 mm <br />1 m <br />) +
4 cm40 mm <br />0.04 m <br /> (16 cm160 mm <br />0.16 m <br />) +
tree +, shrub +  and subshrub +