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Hieracium schultzii
Fr.
Family:
Asteraceae
Rough-Stem Hawkweed
[
Hieracium bulbisetum
,
more
Hieracium liebmannii
,
Hieracium nicolasii
,
Hieracium wrighti
(A. Gray) Keck
]
FNA
Resources
John L. Strother in Flora of North America (vol. 19, 20 and 21)
Plants
12-70+ cm.
Stems
proximally piloso-hirsute (hairs 4-6+ mm), distally piloso-hirsute (hairs 4-6+ mm).
Leaves:
basal 1-4, cauline 6-9; blades oblanceolate to lanceolate, 25-150 × 10-35+ mm, lengths 2.5-5+ times widths, bases cuneate, margins usually entire, apices ± acute, faces piloso-hirsute (hairs 3-5+ mm).
Heads
3-25+ in corymbiform to paniculiform arrays.
Peduncles
piloso-hirsute, stellate-pubescent, and stipitate-glandular.
Calyculi:
bractlets 10-15+.
Involucres
campanulate, 8-9(-12) mm.
Phyllaries
16-21+, apices acute, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular.
Florets
25-40+; corollas yellow, 5-8 mm.
Cypselae
columnar, 2.5-4 mm;
pappi
of 50-60+, white or stramineous bristles in ± 2 series, 5-6 mm.
Flowering Jul-Sep. Grasslands, pine forests; 2000-2700 m; Tex.; Mexico; Central America (Guatemala).
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This project made possible by
National Science Foundation Award 1410069
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