Tall goldenrod

Images

Click on image to view full size

Tall goldenrod

Tall goldenrod

Tall goldenrod

Tall goldenrod leaves

Tall goldenrod

Tall goldenrod stem

Morphology

Stem

Erect, usually uniformly short hairy, sometimes glabrescent proximally.

Leaves

Basal and lower cauline usually withering early; petiole absent or nearly so; blade oblanceolate, 4 to 6 inches long, 3/5 to 4/5 inch wide, firm, base tapered, margins entire to serrate, distinctly 3-nerved, tip acute to acuminate, lower surface strigose, upper surface scabrous, hairs prominently thickened basally; middle and upper cauline leaves oblanceolate to lanceolate, 1 to 6 inches long, 1/5 to 1 inch wide, much reduced above.

Inflorescence

Panicle-like array of heads, pyramidal or sometimes conic, tip sometimes nodding. Peduncles 1/25 to 1/8 inch. Involucres narrowly bell-shaped, 1/12 to 1/8 inch. Phyllaries lanceolate to narrowly lanceolate, tips obtuse to acute.

Flower

Ray florets 10-17, yellow, ligule 1/10 to 1/6 inch. Disk florets 3-9, yellow, tubular, 1/10 to 1/8 inch.

Fruit

Achenes tan to brown, obconic to cylindric, .04 to .08 inch, minutely strigose; pappus of outer scales and inner white bristles, 1/10 to 1/8 inch.

Ecology

Habitat

Tallgrass, mixed-grass, and shortgrass prairies, ravines, flood plains, pastures, old fields, disturbed sites.

Distribution

Statewide

Additional Notes

Synonyms

Alternative scientific names that have been used for this plant.