Picradeniopsis oppositifolia (Opposite-Leaved Bahia / Picradeniopsis) - photos and description



Looking straight down on plant






Bracts in two series

Bracts in two series

General: Leafy perennials with a tufted growth habit, branching from the base. Foliage is grey-green in appearance, and covered with very fine, appressed hairs.

Flowers: Flower heads are terminal, single, having many disk florets and few ray florets. We measured a flower head to 13 mm diameter. The involucre has two rows of overlapping bracts, we measured the involucre to 7 mm tall.

Leaves: Leaves are opposite, usually trifoliate, palmately divided into linear lobes. The leaf highlighted in the photo above was measured at 34 mm long (including petiole), and we measured a leaf segment at 25 mm long by 3 mm wide.

Height: Height listed in Budd's Flora to 25 cm, we measured plants to 13 cm in height.

Habitat: Saline flats, dry plains, and roadsides in southwest Saskatchewan.

Abundance: This plant is very rare, ranked as an S2 (as of 2021) by the Saskatchewan Conservation Data Centre.

Origin: Native.

Synonym: Listed in some of the field guides we use as Bahia oppositifolia.

When and where photographed: Photos taken July 19th, and July 21st, roadside of a prairie grid road, about 400 km southwest of our home in Regina, SK.