12.
Solidago squarrosa
Muhlenberg, Cat. Pl. Amer. Sept. 79. 1813.
Stout goldenrod , verge d'or squarreuse
Aster muehlenbergianus
Kuntze;
Solidago squamosa
Nuttall ex Hooker;
S. squarrosa
var.
ramosa
Peck
Plants
30—150 cm; caudices branching.
Stems
1—5+, erect, glabrous proximal to arrays.
Leaves:
basal and proximal cauline tapering quickly to long, winged ciliate-margined petioles, blades ovate, 50—200 × 20—100 mm, margins serrate; mid to distal cauline sessile, blades oblanceolate, 30—100 × 8—35 mm, reduced distally and becoming lanceolate-ovate, margins entire, abaxially sparsely strigose along nerves.
Heads
20—200, not secund, in narrow, elongate arrays of axillary and terminal racemiform clusters, branches and peduncles hairy, leafy-bracteate proximally.
Peduncles
8—10 mm.
Involucres
5—9 mm.
Phyllaries
(20—26) in 4—6 series, recurved, unequal, conspicuously spreading, lanceolate, margins ciliate, apices acute to obtuse, finely strigose.
Ray florets
10—16; laminae 4—6.5 × 0.4—0.6 mm.
Disc florets
15—30; corollas 5—5.6 mm, lobes 0.5—1.2 mm.
Cypselae
(obconic) 1.5—2 mm, glabrous;
pappi
3—4.3 mm.
2
n
= 18.
Flowering Aug—Sep. Dry woods, fields and rocky slopes; 0—1000+ m; N.B., Ont., Que.; Conn., Del., Ind., Ky., Maine, Mass., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Vt., Va., W.Va.
