Picris hieracioides

Linnaeus

Sp. Pl. 2: 792. 1753.

IntroducedIllustrated
Synonyms: Picris hieracioides var. alpina Koidzumi Picris hieracioides subsp. kamtschatica (Ledebour) Hultén
Treatment appears in FNA Volume 19. Treatment on page 303.

Biennials or perennials. Leaf-blades 50–150 (–300) × 10–25 (–50+) mm. Involucres 8–15 × 10–16+ mm, larger in fruit. Phyllaries proximally ± flat, not each enfolding its subtended floret, usually bristly and/or tomentulose abaxially. Cypselae 3–4 (–6) mm; pappi 5–7 mm. 2n = 10.


Phenology: Flowering Jul–Oct.
Habitat: Disturbed sites
Elevation: 0–50(–100+) m

Distribution

V19-446-distribution-map.gif

Introduced; Ont., Alaska, Conn., Ill., Ky., Md., Mass., Mich., Mo., N.J., N.Y., N.C., Ohio, Pa., R.I., Tenn., Vt., Va., Wash., Europe, Asia, also, Africa, Australia

Discussion

In Alaska, Picris hieracioides is known only from the Aleutian Islands, where it may be native. This species is evidently no longer present in British Columbia.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Picris hieracioides"
scarious +
ovate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
Linnaeus +
decurrent +
compound +  and simple +
lanceolate;oblanceolate or linear +
tuberculate +, rugose +, muricate +  and smooth +
fusiform +
lanceolate;lance-linear +
filiform +
whitish +  and stramineous +
subequal +
zygomorphic +, actinomorphic +  and (3-)5-merous +
reddish +  and yellow +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
reddish-brown +
tapered +, beaked +, flattened +, obcompressed +, compressed +, prismatic +, fusiform +, ellipsoid +, columnar +  and clavate +
Ont. +, Alaska +, Conn. +, Ill. +, Ky. +, Md. +, Mass. +, Mich. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, Tenn. +, Vt. +, Va. +, Wash. +, Europe +, Asia +, also +, Africa +  and Australia +
0–50(–100+) m +
rugulose +
winged +  and beaked +
dispersed +
Disturbed sites +
indeterminate +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
campanulate;urceolate +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (5 cm50 mm <br />0.05 m <br />) +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
sinuate-dentate to pinnately lobed +  and entire +
divided +, lobed +  and dentate +
2-carpellate +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Flowering Jul–Oct. +
connate +  and distinct +
not enfolding +
tomentulose +  and bristly +
subequal +  and unequal +
flat;convex +
5 +  and 10 +
exalbuminous +
Introduced +  and Illustrated +
hirsute +  and hispid or setose +
appendaged +  and truncate +
papillate +
Picris hieracioides var. alpina +  and Picris hieracioides subsp. kamtschatica +
Picris hieracioides +
species +
rhizomatous +  and fibrous-rooted +
perennial +  and biennial +
10 cm100 mm <br />0.1 m <br /> (100 cm1,000 mm <br />1 m <br />) +
shrub +  and subshrub +