Packera paupercula (Balsam Groundsel) - photos and description

Packera paupercula

Packera paupercula

Packera paupercula
15 cm ruler for scale

Packera paupercula

Packera paupercula

Packera paupercula
Stem leaf in above photo

Packera paupercula
Basal leaf in above photo

General: Slender stems from a basal rosette of leaves. Stem glabrous at top, lightly hairy at bottom. Leaves fleshy.

Flowers: Inflorescence corymbiform, flower heads deep yellow in colour, we measured a flower head at 25 mm diameter. Bracts linear-lanceolate in a single series. Involucre measured at 11 mm high.

Leaves: Basal leaves long petiolate, measured at 5 cm long (including petiole), blade measured at 2 cm long by 1 cm wide, elliptical-oblong, serrate, rounded at apex, base of basal leaves is wedge-shaped. Stem leaves are sessile, reduced upwards, coarsely toothed, stem leaves woolly at axils, otherwise pubescent. Stem leaves lanceolate and coarsely toothed.

Height: Height is listed in Budd's Flora to 40 cm, we measured plants to 53 cm tall. 

Habitat: Wet meadows in prairies, parklands, and boreal forest.

Abundance: Common.

Origin: Native.

Synonym: Listed in some of the guides we use as Senecio pauperculus.

How to identify this species of Senecio: Basal leaves on long stalks, elliptic to oblong, apex of basal leaves are rounded, stem leaves sessile, reduced upwards and coarsely toothed or pinnatifid.

When and where photographed: Above photos taken June 22nd, and July 1st in small grassy openings in the canopy of moist, aspen woodland, about 70 km southeast of our home in Regina, SK.