Microseris nutans

(Hooker) Schultz-Bipontinus

Jahresber. Pollichia 22–24: 309. 1866.

Common names: Nodding microseris or silverpuffs
Endemic
Basionym: Scorzonella nutans Hooker London J. Bot. 6: 253. 1847
Treatment appears in FNA Volume 19. Treatment on page 340. Mentioned on page 339.

Perennials, 10–70 cm; taprooted. Stems branched, leafy distally. Leaves basal and cauline; petiolate (proximally, distal often sessile, clasping); blades linear to oblanceolate, 5–30 cm, margins entire or remotely dentate to pinnately lobed (usually with narrow rachises and linear teeth or lobes), apices acuminate, faces glabrous or lightly scurfy-puberulent. Peduncles erect or ascending (4–35 cm), ebracteate or leafy. Involucres broadly to narrowly ovoid in fruit, 8–22 mm. Phyllaries: apices erect, abaxial faces glabrous or scurfy-puberulent; outer lanceolate to triangular or linear, apices acute or acuminate; inner lanceolate, apices acuminate, both faces usually lightly black-villous. Florets 10–75; corollas yellow, surpassing phyllaries by 5+ mm. Cypselae columnar, 3.5–8 mm; pappi of 15–30, silvery, linear to lanceolate or oblong, (flat, glabrous) aristate scales 1–3 (–5) mm (margins entire, apices acute or lacerate), aristae (slender) plumose. 2n = 18.


Phenology: Flowering Apr-–Jul.
Habitat: Various soils, grasslands, brushlands, woodlands, and coniferous forests
Elevation: 100–3000 m

Distribution

V19-523-distribution-map.gif

Alta., B.C., Calif., Colo., Idaho, Mont., Nev., Oreg., S.Dak., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Microseris nutans"
scurfy-puberulent +  and glabrous +
acuminate;acuminate;acute;acuminate +
scarious +
ovate +  and lanceolate +
paniculiform +  and corymbiform +
indeterminate +  and determinate +
Kenton L. Chambers +
(Hooker) Schultz-Bipontinus +
decurrent +
Scorzonella nutans +
compound +  and simple +
linear;oblanceolate +
5 cm50 mm <br />0.05 m <br /> (30 cm300 mm <br />0.3 m <br />) +
tuberculate +, rugose +, muricate +  and smooth +
filiform +
Nodding microseris or silverpuffs +
zygomorphic +, actinomorphic +  and (3-)5-merous +
purplish-spotted +, gray +  and brown or purplish +
Alta. +, B.C. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, Oreg. +, S.Dak. +, Utah +, Wash. +  and Wyo. +
100–3000 m +
black-villous +, scurfy-puberulent +  and glabrous +
winged +  and beaked +
dispersed +
Various soils, grasslands, brushlands, woodlands, and coniferous forests +
indeterminate +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
cauline +  and basal +
remotely dentate to pinnately lobed +  and entire +
lobed +, dentate +, lacerate +  and entire +
lanceolate +  and triangular or linear +
2-carpellate +
persistent +
linear +  and lanceolate or oblong +
leafy +  and ebracteate +
ascending +  and erect +
Flowering Apr-–Jul. +
connate +  and distinct +
5 +  and 40 +
Jahresber. Pollichia +
flat;low-convex +
10 +  and 15 +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
linear +, orbiculate +, ovate +, oblong +, lanceolate +  and deltate +
silvery;yellowish brownish or blackish +
5 +  and 30 +
aristate +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
exalbuminous +
leafy +  and branched +
scurfy +  and glabrous +
few +, 1 +  and 30 +
appendaged +  and truncate +
papillate +
Apargidium +, Calaïs +  and Scorzonella +
Microseris nutans +
Microseris +
species +
10 cm100 mm <br />0.1 m <br /> (70 cm700 mm <br />0.7 m <br />) +
shrub +  and subshrub +