Solidago ptarmicoides (White Upland Goldenrod) - photos and description




General: Erect perennials with simple stems, stems rough hairy. Plants rhizomatous.

Flowers: Inflorescence corymbose, flat-topped, flower heads with white ray flowers, we measured a flower head at 18 mm wide, usually 3 to 5 flower heads per plant.

Leaves: Leaves alternate, linear, 3-nerved, with very small hairs. The lower leaves petiolate, the upper leaves sessile. We measured a leaf at 5.5 cm long and 3 mm wide. Leaves rough hairy.

Height: Height is listed in Budd's Flora to 60 cm. Plant in the above photo was 28 cm tall.

Habitat: Gravelly or saline soil, meadows in southeastern parklands and remnant tall grass prairie.

Abundance: Rare, ranked as an S3 (as of 2021) by the Saskatchewan Conservation Data Centre.

Origin: Native.

Synonym: Listed in some of the field guides we use as Oligoneuron album.

When and where photographed: Took the above photos on July 1st, moist meadow, amid aspen groves, 70 km southeast of Regina, SK, and July 28th (plants almost done flowering) moist highway ditch, about 200 km east of our home in Regina, SK.