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Hieracium bolanderi

Hieracium bolanderi A. Gray  
Family: Asteraceae
Bolander's Hawkweed
Hieracium bolanderi image
  • FNA
  • Resources
John L. Strother in Flora of North America (vol. 19, 20 and 21)
Plants 10-60+ cm. Stems glabrous or nearly so. Leaves: basal 5-9+, cauline 0-3; blades oblanceolate to spatulate, 35-95+ × 12-25+ mm, lengths 2-4+ times widths, bases cuneate, margins entire, apices rounded to acute, abaxial faces glabrous or piloso-hirsute (on midribs, hairs 5-8+ mm), adaxial piloso-hirsute (hairs 5-8+ mm, often tangled). Heads (3-)15-15(-40+) in corymbiform arrays. Peduncles glabrous or stipitate-glandular. Calyculi: bractlets 3-5+. Involucres campanulate to cylindric, (7-)9-10 mm. Phyllaries 8-13+, apices obtuse to acute, abaxial faces glabrous or stipitate-glandular. Florets 6-12; corollas yellow, 8.5-10 mm. Cypselae urceolate, 5-5.5 mm; pappi of 50-60+, stramineous to rufous bristles in 2+ series, 5-8 mm.

Flowering Jun-Jul. Pine forests, serpentines; 300-1700 m; Calif., Oreg.; Mexico (Baja California).
Hieracium bolanderi
Open Interactive Map
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
Hieracium bolanderi image
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15 Total Media
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

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