Erigeron lanatus

Hooker

Fl. Bor.-Amer. 2: 17, plate 121. 1834.

Common names: Woolly fleabane
Endemic
Treatment appears in FNA Volume 20. Treatment on page 302. Mentioned on page 265, 301.

Perennials, 2–5 cm; taprooted, roots sometimes barely evident, caudices diffuse, with extensive systems of rhizomelike, relatively long, slender branches. Stems erect (simple, ± scapiform), finely and loosely villous, minutely glandular. Leaves basal (persistent); blades oblanceolate to oblong-oblanceolate, 5–25 (–30) × 2–5 mm, strongly reduced distally, margins usually entire, smallest and earliest usually 3-toothed or lobed apically (lobes or teeth acute), ultimately entire, finely and loosely lanate-villous, eglandular. Heads 1. Involucres 9–13 × 12–23 mm. Phyllaries in 2–3 series (purple or purple-tipped), moderately to densely, finely and loosely villous (hairs sometimes with purple cross-walls), minutely glandular. Ray-florets 30–80; corollas white or purplish, 8–11 mm, laminae not coiling or reflexing, spreading. Disc corollas 5–6.5 mm. Cypselae 3.5–4 mm, 2-nerved, faces finely hirtellous to glabrate; pappi: outer of setae, inner of 25–35 (whitish to tawny) bristles (often twisted). 2n = 36.


Phenology: Flowering Jul–Aug.
Habitat: Open, rocky, alpine and subalpine habitats, often on limestone talus
Elevation: (1300–)2100–4100 m

Distribution

V20-648-distribution-map.gif

Alta., B.C., Colo., Mont., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Erigeron lanatus"
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 +
Hooker +
decurrent +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
oblanceolate;oblong-oblanceolate +
reduced +
2mm;5mm +
rugulose +  and muricate +
Woolly fleabane +
not 2-lipped +  and actinomorphic +
purplish +  and white +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.5 cm5 mm <br />0.005 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
fertile +  and bisexual +
Alta. +, B.C. +, Colo. +, Mont. +  and Wyo. +
(1300–)2100–4100 m +
finely hirtellous +  and glabrate +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open, rocky, alpine and subalpine habitats, often on limestone talus +
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 />) +
0.9 cm9 mm <br />0.009 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
turbinate;hemispheric +
1.2 cm12 mm <br />0.012 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
spreading +  and reflexing +
not coiling +
petiolate +  and sessile +
erect;spreading +
deltate +
lanate-villous +
lobed +  and 3-toothed +
smallest +
Not (?) +  and Scarious (?) +
2-carpellate +
Flowering Jul–Aug. +
3-nerved +  and 1-nerved +
narrowly elliptic +  and linear-lanceolate +
Fl. Bor.-Amer. +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
branched +  and simple +
prostrate +  and decumbent +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
extensive +
Erigeron lanatus +
Erigeron +
species +
inflated +  and tubular +
90 cm900 mm <br />0.9 m <br /> (100 cm1,000 mm <br />1 m <br />) +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
tree +, shrub +  and subshrub +