Picris hieracioides |
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bristly ox-tongue, hawkweed oxtongue |
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Habit | 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. |
Picris hieracioides |
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Phenology | Flowering Jul–Oct. |
Habitat | Disturbed sites |
Elevation | 0–50(–100+) m [0–160(–300+) ft] |
Distribution |
AK; CT; IL; KY; MA; MD; MI; MO; NC; NJ; NY; OH; PA; RI; TN; VA; VT; WA; ON; Europe; Asia [Introduced in North America; also introduced, Africa, Australia]
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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. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 19, p. 303. |
Parent taxa | |
Sibling taxa | |
Synonyms | P. hieracioides var. alpina, P. hieracioides subsp. kamtschatica |
Name authority | Linnaeus: Sp. Pl. 2: 792. (1753) |
Web links |