Hieracium pringlei

A. Gray

Proc. Amer. Acad. Arts 19: 69. 1883.

Treatment appears in FNA Volume 19. Treatment on page 290. Mentioned on page 282.

Plants 20–45+ cm. Stems proximally usually piloso-hirsute (or lanate, hairs 5–8+ mm, usually curled and tangled), sometimes nearly glabrous, distally piloso-hirsute (hairs 1–2+ mm) and stellate-pubescent. Leaves: basal (2–) 3–8+, cauline (0–) 3+; blades elliptic or spatulate to oblanceolate, lanceolate, or lance-linear, (35–) 50–120 (–200+) × 10–25 (–40+) mm, lengths 2–5 (–10+) times widths, bases ± cuneate, margins usually entire, rarely toothed, apices obtuse to acute, faces (proximal leaves) piloso-hirsute (to lanate, hairs 1–3+ mm; distal leaves often ± glabrate). Heads 3–12 (–20+) in corymbiform arrays. Peduncles usually stellate-pubescent and stipitate-glandular. Calyculi: bractlets 3–5+. Involucres campanulate, (7–) 8–9 mm. Phyllaries 12–15+, apices rounded to acute, abaxial faces stellate-pubescent and/or stipitate-glandular. Florets 12–15+; corollas yellow, 7–9 mm. Cypselae columnar, 2.2–4 mm; pappi of (40–) 60–80, white or stramineous bristles in 2+ series, 4–5+ mm.


Phenology: Flowering Jul–Aug.
Habitat: Pine, oak, and pine-oak forests
Elevation: 2000–2300 m

Distribution

V19-409-distribution-map.gif

Ariz., N.Mex., Mexico, Central America (Guatemala)

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Hieracium pringlei"
stipitate-glandular +  and stellate-pubescent +
rounded;acute +
scarious +
ovate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
A. Gray +
cuneate +
compound +  and simple +
12 cm120 mm <br />0.12 m <br /> (20 cm200 mm <br />0.2 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
spatulate;oblanceolate lanceolate or lance-linear +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
tuberculate +, rugose +, muricate +  and smooth +
deltate;lanceolate or linear +
filiform +
stramineous +  and white +
zygomorphic +, actinomorphic +  and (3-)5-merous +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
black +  and redbrown +
Ariz. +, N.Mex. +, Mexico +  and Central America (Guatemala) +
2000–2300 m +
piloso-hirsute +
winged +  and beaked +
dispersed +
Pine, oak, and pine-oak forests +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays +  and singly +
indeterminate +
each +  and sessile +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
campanulate +
0.8 cm8 mm <br />0.008 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
2-carpellate +
persistent +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
stipitate-glandular +  and stellate-pubescent +
not inflated +
Flowering Jul–Aug. +
connate +  and distinct +
12 +  and 15 +
subequal +  and unequal +
Proc. Amer. Acad. Arts +
flat;convex +
exalbuminous +
stellate-pubescent +, piloso-hirsute +  and glabrous +
scapiform +
appendaged +  and truncate +
papillate +
Pilosella +
Hieracium pringlei +
Hieracium +
species +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
20 cm200 mm <br />0.2 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +