Kansas Wildflowers and Grasses - Atlantic goldenrod

ATLANTIC GOLDENROD

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Solidago arguta Aiton var. boottii (Hook. ) Palmer & Steyermark

Wildcat Glades Conservation & Audubon Center, Newton County, Missouri

Perennial

Height: 20-48 inches

Family: Asteraceae - Sunflower Family

Flowering Period: September,October

Also Called:

Boott's goldenrod.

Stems:

1, usually erect, round, proximally glabrous, strigose in inflorescence.

Leaves:

Basal and cauline taper abruptly to winged petioles; blades broadly ovate, 4 to 12 inches long, 1 to 4 inches wide, margins sharply toothed, tips acute to acuminate, upper surface glabrous or slightly rough, sometimes minutely strigose; mid to upper cauline sessile, lanceolate, 2 to 3 inches long, 2/5 to 3/5 inch wide, margins becoming entire, reduced in size above.

Inflorescences:

Panicle-like arrays, open, leafy, branches sometimes recurved, elongate, pubescent; peduncles pubescent; phyllaries in 3-4 series, unequal, outer ovate, inner linear-oblong, tips obtuse.

Flowers:

Ray florets 2-8, yellow, ca. 1/6 inch; disc florets 8-20, yellow, tubular, 1/8 to 1/6 inch.

Fruits:

Achenes, tiny, ridged; pappus of outer scales and inner white bristles, ca. 1/8 inch.

Habitat:

Dry woods

Distribution:

Southeast corner of Kansas

Origin:

Native

Comments:

Atlantic goldenrod is known only from Cherokee County in Kansas.