[Goldenrods Found East of the Cascade Mts.]

Missouri Goldenrod

Solidago missouriensis

Missouri goldenrod?, Page Springs Camp Ground.........................September 9, 2000. This plant had characteristics of both Missouri Goldenrod and Canada Goldenrod. Any help confirming the ID would be helpful!
Missouri goldenrod?, Page Springs Camp Ground.........................September 9, 2000.
Characteristics:

Missouri goldenrod is a fairly attractive perennial wildflower with solitary or several erect stems arising from creeping rhizzomes to 20-90 cm high. The herbage is glabrous, or occasionally rough with in the inflorescence. The leaves are oblanceolate and up to 30 cm long and 3 cm wide. The blades are often 3-nerved and thick and firm. The leaf margins are typically sharply serrate, especially on the lower leaves. Basal leaves are typically present at flowering time, and tend to be larger than the stem leaves which can remain fairly large up the stem.

The inflorescence varies from densely to openly corymbiform to paniculiform, with somewhat recurved, often one-sided branches. The yellowish involucres of individual flower heads are 3-5 mm high with shingled bracts. The 6-13 (typically 7 or 8) yellowish rays are 2-3 mm long, surrounding the 9-13 disk flowers.

Habitat:

Missouri goldenrod is found in moist to dry meadows and swales and on open to sparsely wooded slopes, from the lowland to moderate elevations in the mountains (up to about 2500 meters in elevation.


Range:

Missouri goldenrod may be found from southern British Columbia south through western and central Washington to central and southeastern Oregon and east to southeastern Idaho, northeastern Nevada and northern Utah. Its commonly found in the Rocky Mountains and eastward onto the Great Plains.


A mid-stem leaf of Missouri goldenrod?, Page Springs Camp Ground.........................September 9, 2000.

A close-up of the inflorescence of Missouri goldenrod?, Page Springs Camp Ground.........................September 9, 2000.

Paul Slichter