Hieracium pringlei A. Gray
Family: Asteraceae
Pringle's hawkweed,  more...
[Hieracium jaliscense ,  more]
not available
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. Flowering Jul-Aug. Pine, oak, and pine-oak forests; 2000-2300 m; Ariz., N.Mex.; Mexico; Central America (Guatemala).
The National Science Foundation
This project made possible by National Science Foundation Award 1410069