Compilation
Hieracium aurantiacum

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Name

Identification
Hieracium aurantiacum L. [family ASTERACEAE ] (stored under name); Verified by J. Müller (JE), Hieracium aurantiacum L. [family ASTERACEAE ] Verified by J. Müller (JE),
Related name
  • Hieracium aurantiacum
  • Hieracium hinterhuberi
Common name
  • épervière orangée, Flora of North America Vol. 19
  • Orange hawkweed, Flora of North America Vol. 19

Flora

Entry for Hieracium aurantiacum Linnaeus [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 19,
Names
Hieracium aurantiacum Linnaeus [family COMPOSITAE], Sp. Pl., 2: 801. 1753
Pilosella aurantiaca (Linnaeus) F. W. Schultz & Schultz-Bipontinus [family COMPOSITAE]
Treatment Author(s)
John L. Strother
Information
Plants 15–35(–60+) cm. Stems proximally piloso-hirsute (hairs 2–4+ mm), distally piloso-hirsute (hairs 1–4 mm) and stipitate-glandular. Leaves: basal 3–8+, cauline 0(–1+); blades spatulate to oblanceolate, 45–70(–160+) × 10–35 mm, lengths 3–5+ times widths, bases cuneate, margins entire, apices acute, faces piloso-hirsute (hairs 1–2+ mm) and stellate-pubescent. Heads 3–7(–12+) in ± umbelliform arrays. Peduncles stellate-pubescent and stipitate-glandular. Calyculi: bractlets 5–8+. Involucres campanulate, 6–8 mm. Phyllaries 13–30+, apices acuminate, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular. Florets 25–120+; corollas orange (drying scarlet to purplish), 10–14+ mm. Cypselae columnar, 1.2–1.5(–2) mm; pappi of 25–30+, white bristles in 1 series, 3.5–4 mm.
Phenology
may (spring), jun-aug (summer), sep (fall)
Altitude range
10–300(–1000+) m;
Distribution
St. Pierre and MiquelonEurope.USA AlaskaUSA Ark.USA Calif.USA Colo.USA Conn.USA Fla.USA Ga.USA IdahoUSA Ill.USA Ind.USA IowaUSA Ky.USA MaineUSA Md.USA Mass.USA Mich.USA Minn.USA Mont.USA N.H.USA N.J.USA N.Y.USA N.C.USA OhioUSA Oreg.USA Pa.USA R.I.USA S.Dak.USA Tenn.USA Vt.USA Va.USA Wash.USA W.Va.USA Wis.USA Wyo.Canada Alta.Canada B.C.Canada Man.Canada N.B.Canada Nfld. and Labr.Canada N.S.Canada Ont.Canada P.E.I.Canada Que.Canada Sask.
Native/Introduced
introduced;

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