Erigeron algidus

Jepson

Man. Fl. Pl. Calif., 1052. 1925.

Common names: Stalked fleabane
EndemicConservation concern
Treatment appears in FNA Volume 20. Treatment on page 323. Mentioned on page 267.

Perennials, 2–30 cm; rhizomatous, fibrous-rooted, caudex or rhizome branches relatively short and thick. Stems erect, sparsely villoso-hirsute, minutely glandular. Leaves mostly basal (persistent); blades obovate to oblanceolate, 10–70 × 2–7 (–12) mm, cauline abruptly reduced distally, margins entire (apices rounded), faces strigose to strigoso-hirsute, sometimes sparsely glandular. Heads 1. Involucres 5–8 × 8–18 mm. Phyllaries in (2–) 3–4 series (often purplish throughout or at margins and tips), hirsute to hirsuto-villous (hair cross-walls not colored), minutely glandular. Ray-florets 25–125; corollas blue to pink or purple, 5–13 mm (mostly 1–2 mm wide), laminae coiling. Disc corollas 3–4.8 mm. Cypselae 1.9–2.1 mm, 2-nerved, faces strigose; pappi: outer of setae, inner of 10–15 (–20) bristles.


Phenology: Flowering Jul–Aug.
Habitat: Rocky sites and meadows, alpine or near timberline
Elevation: 2600–3700 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.

"thick" is not a number.

... more about "Erigeron algidus"
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 +
Jepson +
decurrent +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
obovate;oblanceolate +
2mm;7mm +
rugulose +  and muricate +
Stalked fleabane +
not 2-lipped +  and actinomorphic +
blue +  and pink or purple +
0.5 cm5 mm <br />0.005 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.3 cm3 mm <br />0.003 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
fertile +  and bisexual +
Calif. +  and Nev. +
2600–3700 m +
strigose +  and strigoso-hirsute +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Rocky sites and meadows, alpine or near timberline +
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 />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
turbinate;hemispheric +
0.8 cm8 mm <br />0.008 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
petiolate +  and sessile +
erect;spreading +
deltate +
Not (?) +  and Scarious (?) +
2-carpellate +
Flowering Jul–Aug. +
3-nerved +  and 1-nerved +
hirsute +  and hirsuto-villous +
narrowly elliptic +  and linear-lanceolate +
Man. Fl. Pl. Calif., +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Endemic +  and Conservation concern +
branched +  and simple +
prostrate +  and decumbent +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron algidus +
Erigeron +
species +
inflated +  and tubular +
fibrous-rooted +  and rhizomatous +
90 cm900 mm <br />0.9 m <br /> (100 cm1,000 mm <br />1 m <br />) +
2 cm20 mm <br />0.02 m <br /> (30 cm300 mm <br />0.3 m <br />) +
tree +, shrub +  and subshrub +