Agoseris monticola

Greene

Pittonia 4: 37. 1899.

Common names: Sierra Nevada agoseris
Synonyms: Agoseris covillei Greene Agoseris decumbens Greene Agoseris glauca var. monticola (Greene) Q. Jones
Treatment appears in FNA Volume 19. Treatment on page 329. Mentioned on page 325, 326, 328, 334.

Stems 0. Leaves mostly decumbent to prostrate; petioles rarely purplish, margins not ciliate; blades oblanceolate to spatulate, 2–10 (–14) cm, margins usually dentate to lobed or laciniately pinnatifid, rarely entire, lobes 2–3 pairs, linear to oblanceolate, proximal lobes often retrorse, distal often antrorse, lobules often present, faces mostly puberulent to villous, sometimes glabrous and glaucous. Peduncles not elongating after flowering, 2–25 cm in fruit, basally lanate, apically stipitate-glandular. Involucres obconic to campanulate, 1–2 cm in fruit. Phyllaries in 2–4 (–6) series, usually rosy purple, rarely green, sometimes spotted, often with a purple-black midstripes, unequal, faces ± hairy, stipitate-glandular; outer usually erect, sometimes spreading apically, adaxially glabrous; inner erect, not elongating after flowering. Receptacles epaleate, rarely paleate (outer florets only). Florets 10–40; corollas yellow, tubes 4–10 mm, ligules 5–11 × 2–4 mm; anthers 3–5 mm. Cypselae 6–10 mm; bodies fusiform, 6–9 mm, beaks 1–3 mm, lengths to 1/2 times bodies; ribs ridged to flattened, straight; pappus bristles in 2 series, 8–11 mm. 2n = 18, 36.


Phenology: Flowering Jul–Aug.
Habitat: Mesic subalpine meadows and forests to alpine tundra and rocky slopes, volcanic or pyroclastic soils
Elevation: 2000–3500 m

Distribution

V19-501-distribution-map.gif

Calif., Nev., Oreg., Wash.

Discussion

Agoseris monticola occurs mainly in the Sierra Nevada and sporadically eastward in the Great Basin (Jarbridge and Ruby Mountains) and northward to the Cascade Range and Blue Mountains of Oregon. It appears to be allied with A. glauca and has been treated as a variety of the latter. Ecologically, it approaches A. glauca var. dasycephala; the two are morphologically and geographically separate from each other. Intermediates between A. monticola and A. aurantiaca, A. glauca, and A. parviflora are known.

Selected References

None.

Lower Taxa

None.

"fine" is not a number."not elongating" is not a number.

... more about "Agoseris monticola"
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
scarious +
ovate +  and lanceolate +
corymbiform +  and paniculiform +
indeterminate +  and determinate +
Gary I. Baird +
Greene +
decurrent +
0-1/2 times bodies +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
compound +  and simple +
10 cm100 mm <br />0.1 m <br /> (14 cm140 mm <br />0.14 m <br />) +
oblanceolate;spatulate +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
tuberculate +, rugose +, muricate +  and smooth +
fusiform +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
filiform +
2 (?) +  and 6 (?) +
acute +, linear-lanceolate +  and cuneate-oblanceolate +
Sierra Nevada agoseris +
pistillate +  and staminate +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
papillate +
tapered +, beaked +, flattened +, obcompressed +, compressed +, prismatic +, fusiform +, ellipsoid +, columnar +  and clavate +
Calif. +, Nev. +, Oreg. +  and Wash. +
2000–3500 m +
stipitate-glandular +, hairy +, glaucous +, glabrous +, mostly puberulent +  and villous +
winged +  and beaked +
dispersed +
Mesic subalpine meadows and forests to alpine tundra and rocky slopes, volcanic or pyroclastic soils +
indeterminate +
each +  and sessile +
not elongating +
pistillate +  and staminate +
obconic;campanulate +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
sessile +  and petiolate +
mostly decumbent;prostrate +
cauline +  and basal +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
linear +  and oblanceolate +
usually dentate +  and lobed or laciniately pinnatifid +
spreading +  and erect +
2-carpellate +
pistillate +  and staminate +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
stipitate-glandular +  and lanate +
2 cm20 mm <br />0.02 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Flowering Jul–Aug. +
connate +  and distinct +
paleate +  and epaleate +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
straight +
ridged +  and flattened +
exalbuminous +
prostrate +  and ascending +
appendaged +  and truncate +
papillate +
Agoseris covillei +, Agoseris decumbens +  and Agoseris glauca var. monticola +
Agoseris monticola +
Agoseris +
species +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
perennial +, biennial +  and annual +