Euthamia leptocephala

(Torrey & A. Gray) Greene ex Porter & Britton

Mem. Torrey Bot. Club 5: 321. 1894.

Common names: Mississippi Valley goldentop
Basionym: Solidago leptocephala Torrey & A. Gray Fl. N. Amer. 2: 226. 1842
Treatment appears in FNA Volume 20. Treatment on page 100. Mentioned on page 98.

Perennials or subshrubs, 30–100 cm. Stems (erect, striate-angled) glabrous, not glaucous. Leaves ascending to spreading-ascending; blades 3- or -5-nerved, lanceolate to narrowly lanceolate, 40–80 × 3–6(–9) mm, lengths 8–18 times widths, abruptly reduced distally, firm-herbaceous, margins scabrous, apices mostly acute, faces glabrous, little and obscurely gland-dotted (9–29 dots per mm²), sometimes pustulate. Heads glomerate or pedunculate, in compact, usually round-topped arrays 6–35% of plant heights. Involucres obconic, 4–6 mm. Phyllaries yellowish at bases, usually green-tipped, outer narrowly ovate, inner nearly linear, apices rounded to subacute (sometimes slightly resinous). Ray florets usually 7–14. Disc florets 3–6; corollas 3.3–4.4 mm. 2n = 18.

Phenology: Flowering Sep–Nov.
Habitat: Moist, sandy soils of open areas, woodlands, and forest openings
Elevation: 0–100 m



Ala., Ark., Fla., Ga., La., Miss., Mo., N.C., Okla., Tenn., Tex.


I have seen no specimens of Euthamia leptocephala from Kentucky; it is to be expected there.

Selected References


Lower Taxa

... more about "Euthamia leptocephala"
Arthur Haines +
(Torrey & A. Gray) Greene ex Porter & Britton +
Solidago leptocephala +
Mississippi Valley goldentop +
Ala. +, Ark. +, Fla. +, Ga. +, La. +, Miss. +, Mo. +, N.C. +, Okla. +, Tenn. +  and Tex. +
0–100 m +
Moist, sandy soils of open areas, woodlands, and forest openings +
Flowering Sep–Nov. +
Mem. Torrey Bot. Club +
Compositae +
Euthamia leptocephala +
Euthamia +
species +