Flora of North America species comparison

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Hieracium parryi

Parry's hawkweed, Scouler's woollyweed
Habit Plants 15–45+ cm.
Stems

proximally piloso-hirsute (hairs 1–3+ mm) and stipitate-glandular, distally piloso-hirsute (hairs 1–2+ mm) and stipitate-glandular.
Leaves

basal (0–)3–5, cauline 2–3(–8);

blades lance-elliptic to lanceolate, 30–80(–100) × (3–)10–20(–30+) mm, lengths 3–8(–10+) times widths, bases cuneate, margins usually entire, sometimes denticulate, apices obtuse to acute, faces usually piloso-hirsute (hairs 1–3+ mm), sometimes glabrate.
Peduncles

densely stipitate-glandular.
Involucres

campanulate, 10–12 mm.
Florets

30–60+;

corollas yellow, 9–11 mm.
Phyllaries

13–21+, apices ± acuminate, abaxial faces stipitate-glandular.
Calyculi

bractlets 7–9+.
Heads

(1–)3–12+ in corymbiform arrays.
Cypselae

columnar, 2.5–3 mm;

pappi of 50–60+, white bristles in ± 2 series, ca. 5 mm.

Hieracium parryi
Phenology Flowering Jun–Jul.
Habitat Openings in brush, grassy slopes, serpentines
Elevation 10–2000 m [30–6600 ft]
Distribution
map from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
Parent taxa Asteraceae > tribe Cichorieae > Hieracium
Sibling taxa
H. abscissum, H. albiflorum, H. alpinum, H. argutum, H. aurantiacum, H. bolanderi, H. brevipilum, H. caespitosum, H. carneum, H. crepidispermum, H. fendleri, H. flagellare, H. greenei, H. gronovii, H. horridum, H. lactucella, H. longiberbe, H. longipilum, H. megacephalon, H. murorum, H. nudicaule, H. paniculatum, H. pilosella, H. piloselloides, H. pringlei, H. robinsonii, H. sabaudum, H. scabrum, H. schultzii, H. scouleri, H. traillii, H. triste, H. umbellatum, H. venosum, H. vulgatum
Name authority Zahn: in H. G. A. Engler, Pflanzenr. 79[IV,280]: 1128. (1922)
Source FNA vol. 19, p. 290. Treatment author: John L. Strother.
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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