2.
Verbesina virginica
Linnaeus, Sp. Pl. 2: 901. 1753.
Verbesina laciniata
Walter,
V. virginica
var.
laciniata
A. Gray (based on
V. laciniata
Nuttall, not Walter)
Plants
(50—)100—250+ cm (perennating bases ± erect, internodes winged, at least proximal).
Leaves
all or mostly alternate (proximal sometimes opposite); blades lance-ovate or lance-elliptic to lance-linear, 5—12(—22+) × 1—6(—12+) cm, sometimes pinnately lobed, bases ± cuneate, ultimate margins usually coarsely toothed to subentire, sometimes sinuate, apices acute, faces ± scabrellous to strigillose.
Heads
(20—)60—100+ in corymbiform to paniculiform arrays.
Involucres
± obconic to turbinate, 3—5 mm diam.
Phyllaries
8—12+ in 1—2 series, ± erect, spatulate to oblanceolate, 2.5—5(—7) mm.
Ray florets
(1—)2—3(—7); laminae 3—4(—7+) mm.
Disc florets
8—12(—15); corollas ochroleucous or white.
Cypselae
dark brown to blackish, oblanceolate, 3.5—5+ mm, faces ± scabrellous;
pappi
1.5—3+ mm.
2
n
= 32, 34.
Flowering (Jul—)Sep—Oct(—Dec). Bottomlands, flood plains, thickets, borders of woodlands, disturbed sites; 10—300 m; Ala., Ark., D.C., Fla., Ga., Ill., Kans., Ky., La., Md., Miss., Mo., N.C., Ohio, Okla., S.C., Tenn., Tex., Va., W.Va.
Plants of
Verbesina virginica
from near the Atlantic Coast with margins of some or most leaf blades sinuate to pinnately 3—5(—7+)-lobed have been called
V. laciniata
or
V. virginica
var.
laciniata
.
