Hieracium paniculatum

Linnaeus

Sp. Pl. 2: 802. 1753.

Endemic
Treatment appears in FNA Volume 19. Treatment on page 287. Mentioned on page 281.

Plants 30–90 cm. Stems proximally usually glabrous, sometimes piloso-hirsute (hairs 3–8+ mm) and/or stellate-pubescent, distally usually glabrous. Leaves: basal 0(–2), cauline 6–12+; blades elliptic or oblanceolate to lanceolate, 30–80(–150) × 6–25(–35) mm, lengths 3–6+ times widths, bases cuneate, margins usually toothed, sometimes denticulate or entire, apices acute to acuminate, faces glabrous or piloso-hirsute (hairs 1–4+ mm). Heads (6–)12–50+ in corymbiform to paniculiform arrays. Peduncles usually glabrous, sometimes stipitate-glandular. Calyculi: bractlets 8–13+. Involucres campanulate to cylindric, 6–7 mm. Phyllaries 8–13+, apices acute to acuminate, abaxial faces usually glabrous, sometimes stipitate-glandular. Florets 8–20(–30); corollas ochroleucous to yellow, 5–8 mm. Cypselae columnar, 2–2.5 mm; pappi of 35–40+, stramineous bristles in ± 2 series, 4–5 mm.


Phenology: Flowering (Jul–)Aug(–Oct).
Habitat: Openings in forests
Elevation: (10–)500–800 m

Distribution

V19-402-distribution-map.gif

N.B., N.S., Ont., Que., Ala., Conn., Del., Ga., Ind., Ky., Maine, Md., Mass., Mich., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va.

Discussion

The type of Hieracium scribneri Small may have resulted from a cross between plants of H. paniculatum and H. venosum (A. Cronquist 1980).

Selected References

None.

Lower Taxa

None.
... more about "Hieracium paniculatum"
John L. Strother +
Linnaeus +
N.B. +, N.S. +, Ont. +, Que. +, Ala. +, Conn. +, Del. +, Ga. +, Ind. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +  and W.Va. +
(10–)500–800 m +
Openings in forests +
Flowering (Jul–)Aug(–Oct). +
Pilosella +
Hieracium paniculatum +
Hieracium +
species +