Difference between revisions of "Picris hieracioides"
Sp. Pl. 2: 792. 1753.
Synonyms: Picris hieracioides var. alpina Koidzumi Picris hieracioides subsp. kamtschatica (Ledebour) Hultén
Treatment appears in FNA Volume 19. Treatment on page 303.
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Revision as of 19:37, 24 September 2019
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
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 introduced, 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.