Polygala verticillata (Whorled Milkwort) - photos and description

Polygala verticillata

Polygala verticillata

Polygala verticillata

Polygala verticillata

Polygala verticillata
Very difficult to find unless crawling on your hands and knees

Polygala verticillata

Polygala verticillata

Polygala verticillata
Leaves arranged in whorls on stem

Polygala verticillata
Leaves arranged in whorls on stem

Polygala verticillata

Polygala verticillata

Polygala verticillata

General: Weak-stemmed annuals with a branching growth habit. Plants glabrous.

Flowers: Flowers greenish-white in spikes from leaf axils. Spikes measured at 12 mm long, flowers measured at 2 mm long.

Leaves: Leaves cauline, in whorls of 2 to 5, linear, sessile, with a prominent mid-rib. Leaf measured at 2 cm long by 2 mm wide.

Height: Height given in Budd's Flora from 10 to 40 cm, we measured plants to only 9 cm tall. Small things, and this measurement was taken in a year with abundant rainfall, too.

Habitat: Moist grassland in the extreme southeast of Saskatchewan.

Abundance: Very rare, ranked as an S2 (as of 2019) by the Saskatchewan Conservation Data Centre.

Origin: Native.

When and where photographed: Photographed July 14th, August 1st and 7th, coulee outwash slopes, grassland, Souris River valley, about 200 km southeast of our home in Regina, SK.