Microseris borealis

(Bongard) Schultz-Bipontinus

Jahresber. Pollichia 22–24: 310. 1866.

Common names: Apargidium northern microseris
Endemic
Basionym: Apargia borealis Bongard Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 6, Sci. Math. 2: 146. 1832
Synonyms: Apargidium boreale (Bongard) Torrey & A. Gray Scorzonella borealis (Bongard) Greene
Treatment appears in FNA Volume 19. Treatment on page 340. Mentioned on page 338, 339.

Perennials, 15–70 cm; rhizomatous, with fleshy adventitious-roots. Stems 0. Leaves basal; petiolate; blades mostly oblanceolate, rarely linear, 5–30 cm, margins entire or remotely denticulate, apices acute or acuminate, faces glabrous. Peduncles erect (15–70 cm) ebracteate. Involucres broadly to narrowly ovoid in fruit, 10–18 mm. Phyllaries: (not purple-spotted, apices erect) outer lanceolate to linear-lanceolate, apices acuminate, abaxial faces glabrous or black-villous; inner lanceolate, apices acute, both faces usually lightly black-villous. Florets 18–50; corollas yellow-orange, surpassing phyllaries by 5+ mm. Cypselae columnar or arcuate near bases, 4–8 mm; pappi of 24–48, brownish, barbellate bristles 5–10 mm (bases of bristles sometimes slightly widened). 2n = 18.


Phenology: Flowering Jun-–Sep.
Habitat: Mostly coastal and montane sphagnum bogs, other wet sites from lowlands to alpine in n part of range
Elevation: 0–1800 m

Distribution

V19-522-distribution-map.gif

B.C., Alaska, Calif., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Microseris borealis"
black-villous +  and glabrous +
acute;acuminate;acuminate;acute +
scarious +
ovate +  and lanceolate +
paniculiform +  and corymbiform +
indeterminate +  and determinate +
Kenton L. Chambers +
(Bongard) Schultz-Bipontinus +
decurrent +
Apargia borealis +
compound +  and simple +
oblanceolate +
5 cm50 mm <br />0.05 m <br /> (30 cm300 mm <br />0.3 m <br />) +
tuberculate +, rugose +, muricate +  and smooth +
filiform +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Apargidium +  and northern microseris +
zygomorphic +, actinomorphic +  and (3-)5-merous +
yellow-orange +
purplish-spotted +, gray +  and brown or purplish +
arcuate +  and columnar +
B.C. +, Alaska +, Calif. +, Oreg. +  and Wash. +
0–1800 m +
black-villous +  and glabrous +
winged +  and beaked +
dispersed +
Mostly coastal and montane sphagnum bogs, other wet sites from lowlands to alpine in n part of range +
indeterminate +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (3 cm30 mm <br />0.03 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
denticulate +  and entire +
lanceolate +  and linear-lanceolate +
2-carpellate +
persistent +
Flowering Jun-–Sep. +
connate +  and distinct +
5 +  and 40 +
Jahresber. Pollichia +
flat;low-convex +
10 +  and 15 +
linear +, orbiculate +, ovate +, oblong +, lanceolate +  and deltate +
silvery;yellowish brownish or blackish +
5 +  and 30 +
aristate +
exalbuminous +
many-branched +  and simple +
scurfy +  and glabrous +
few +, 1 +  and 30 +
appendaged +  and truncate +
papillate +
Apargidium boreale +  and Scorzonella borealis +
Microseris borealis +
Microseris +
species +
15 cm150 mm <br />0.15 m <br /> (70 cm700 mm <br />0.7 m <br />) +
shrub +  and subshrub +