Bladderpod, Woolly Pod Bladderpod

Paysonia lasiocarpa (Syn. Lesquerella lasiocarpa)

Family: Brassicaceae

Plant Description: Annual, perennials, or biennials with reclining or prostrate stems to 60 cm long and toothed or pinnatifid leaves 1-10 cm long, star-shaped hairs, alternate. Lower leaf blades deeply cut, upper ones smaller. Flowers in racemes, the 4 petals, 6-10 mm long, yellow. Petioles mostly absent. Fruiting pedicles curving downward, fruit flattened.

Plant Trivia:

Field Identification: Flattened fruit distinguishes this species from our other species of Paysonia, which are quite similar.

Occurrence: Frequent on sandy and clayey loams in prairies and open areas.

Bloom Period: January-May

Plant Use:

Key to the Genus Paysonia:

  1. Fruits globose……………………………………………………………………………….2

Fruit flattened………………………………………………………….P. lasiocarpa

         2. Stem leaves mostly broa……………………………………P. grandiflora

             Stem leaves narrowed to base………………………………………………….3

         3. Fruits subtended by a stipe 1-2 mm long………P. lindheimeri

             Fruits not as above…………………………………………………….P. argyrea