Solidago subsect. Humiles

Leaves: basal sometimes present (in rosettes) at flowering, proximalmost cauline petiolate, often present at flowering, largest, not 3-nerved. Heads in wand-shaped racemiform, paniculiform, or thyrsiform arrays, not secund. Phyllaries not striate, resinous (minute glands present). Pappus bristles usually in 2, rarely in 3 series, (shorter, outer setiform scales rarely present, inner bristles weakly to strongly clavate).

Distribution

North America, Mexico.

Discussion

Species 5 (5 in the flora).

Selected References

None.

Lower Taxa

Solidago arenicola, Solidago kralii, Solidago plumosa, Solidago simplex, Solidago spathulata

Key

1	Leaves (and arrays) copiously viscid	> 2
1	Leaves (and peduncles and phyllaries) slightly resinous	> 3
2	Stems 10–40(–50) cm; basal leaves spatulate, 40–120 mm; dunes and headlands, California, Oregon	Solidago spathulata
2	Stems 65–110 cm; basal leaves oblanceolate, mostly 100–200 mm; sand hills, Georgia, South Carolina	Solidago kralii
3	Involucres 8–12 mm (along streams, Alabama, Tennessee)	Solidago arenicola
3	Involucres 3–7 mm	> 4
4	Rays 7–16; plants usually 10–50 cm (to 120 cm in var. gillmanii, dunes, s Lake Michigan, Lake Huron); basal leaves lanceolate, broadly to narrowly oblanceolate, obovate	Solidago simplex
4	Rays 3–6; plants 40–120 cm; basal leaves linear-oblanceolate (Yadkin River, NorthCarolina)	Solidago plumosa