Erigeron peregrinus var. thompsonii

(S. F. Blake ex J. W. Thompson) Cronquist

Brittonia 6: 144. 1947.

EndemicConservation concern
Basionym: Erigeron thompsonii S. F. Blake ex J. W. Thompson Rhodora 34: 238. 1932 (as thompsoni)
Treatment appears in FNA Volume 20. Treatment on page 328. Mentioned on page 327.

Leaf faces sparsely villosulous to glabrate. Peduncles finely villous (hairs spreading-crinkly), sometimes loosely strigose distally. Phyllaries: margins sometimes barely ciliate, abaxial faces sparsely hirsuto-villous to glabrate, essentially eglandular or sparsely minutely glandular. Ray corollas white.


Phenology: Flowering Jun–Aug.
Habitat: Clearings in conifer woodlands, subalpine meadows, bogs
Elevation: 900–1800 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
glandular +  and eglandular +
sparsely hirsuto-villous +  and glabrate +
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 +
(S. F. Blake ex J. W. Thompson) Cronquist +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
linear-oblanceolate +  and broadly lanceolate or spatulate +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
decurrent +
Erigeron thompsonii +
linear;lanceolate oblanceolate or spatulate +
rugulose +  and muricate +
not 2-lipped +  and actinomorphic +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
white +  and pale blue +
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
(4-)5(-7)-nerved +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
fertile +  and bisexual +
900–1800 m +
strigose +, glabrous +, glabrate +, villosulous +, hirsuto-villous +  and hirsute +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Clearings in conifer woodlands, subalpine meadows, bogs +
disciform +  and discoid +
in loose , corymbiform or paniculiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
2.2 cm22 mm <br />0.022 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
turbinate;hemispheric +
1 cm10 mm <br />0.01 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
petiolate +  and sessile +
sparsely villosulous +  and glabrate +
cauline +  and basal +
erect;spreading +
deltate +
not +  and scarious +
2-carpellate +
strigose +  and villous +
Flowering Jun–Aug. +
villoso-hirsute +
narrowly elliptic +  and linear-lanceolate +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Endemic +  and Conservation concern +
prostrate +  and decumbent +
erect +  and basally ascending +
strigose +, strigoso-villous +  and hirsute +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron peregrinus var. thompsonii +
Erigeron peregrinus +
variety +
inflated +  and tubular +
fibrous-rooted +  and rhizomatous +
55 cm550 mm <br />0.55 m <br /> (70 cm700 mm <br />0.7 m <br />) +
5 cm50 mm <br />0.05 m <br /> (55 cm550 mm <br />0.55 m <br />) +
tree +, shrub +  and subshrub +