Hieracium traillii

Greene

Pittonia 4: 226. 1900.

Endemic
Basionym: Hieracium greenii Porter & Britton Bull. Torrey Bot. Club 20: 120. 1893
Treatment appears in FNA Volume 19. Treatment on page 293. Mentioned on page 282, 283.

Plants 25–60+ cm. Stems proximally glabrous or stellate-pubescent, distally glabrous or stellate-pubescent. Leaves: basal 5–6+, cauline 0 (–1+); blades oblanceolate to spatulate, 40–80 × 18–45+ mm, lengths 3–5+ times widths, bases cuneate, margins usually entire, apices rounded to obtuse, abaxial faces piloso-hirsute (hairs 1–3+ mm), adaxial glabrous. Heads 8–12+ in corymbiform arrays. Peduncles stellate-pubescent and stipitate-glandular. Calyculi: bractlets 5–8+. Involucres hemispheric to campanulate, 8–10 (× 6–9) mm. Phyllaries 13–21+, apices acuminate, abaxial faces stellate-pubescent and stipitate-glandular, sometimes piloso-hirsute as well. Florets 30–60+; corollas yellow, ca. 12 mm. Cypselae (black or redbrown) columnar, 3–4 mm; pappi of ca. 40+, stramineous bristles in ± 2 series, 6–7 mm.


Phenology: Flowering Jun–Aug.
Habitat: Shaley sites
Elevation: 1000–1300 m

Distribution

V19-420-distribution-map.gif

Ky., Md., Ohio, Pa., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number."[mm" is not declared as a valid unit of measurement for this property."]mm" is not declared as a valid unit of measurement for this property.

... more about "Hieracium traillii"
piloso-hirsute +, stipitate-glandular +  and stellate-pubescent +
acuminate;rounded;obtuse +
scarious +
ovate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
Greene +
cuneate +
Hieracium greenii +
compound +  and simple +
4 cm40 mm <br />0.04 m <br /> (8 cm80 mm <br />0.08 m <br />) +
oblanceolate;spatulate +
1.8 cm18 mm <br />0.018 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
tuberculate +, rugose +, muricate +  and smooth +
deltate;lanceolate or linear +
filiform +
zygomorphic +, actinomorphic +  and (3-)5-merous +
12 cm120 mm <br />0.12 m <br /> (?) +
black +  and redbrown +
Ky. +, Md. +, Ohio +, Pa. +, Va. +  and W.Va. +
1000–1300 m +
winged +  and beaked +
dispersed +
Shaley sites +
in corymbiform , paniculiform , thyrsiform , umbelliform or nearly racemiform , arrays +  and singly +
indeterminate +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
hemispheric;campanulate +
sessile +  and petiolate +
cauline +  and basal +
dentate +, denticulate +  and entire +
2-carpellate +
persistent +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
stipitate-glandular +  and stellate-pubescent +
not inflated +
Flowering Jun–Aug. +
connate +  and distinct +
13 +  and 21 +
subequal +  and unequal +
flat;convex +
exalbuminous +
stellate-pubescent +  and glabrous +
scapiform +
appendaged +  and truncate +
papillate +
Pilosella +
Hieracium traillii +
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 />) +