Flora of North America species comparison

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Picris hieracioides

bristly ox-tongue, hawkweed oxtongue
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
Phenology Flowering Jul–Oct.
Habitat Disturbed sites
Elevation 0–50(–100+) m (0–200(–300+) ft)
Distribution
from FNA
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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[BONAP county map]
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 Asteraceae > tribe Cichorieae > Picris
Sibling taxa
P. rhagadioloides
Synonyms P. hieracioides var. alpina, P. hieracioides subsp. kamtschatica
Name authority Linnaeus: Sp. Pl. 2: 792. (1753)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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