Cardamine tryssa

Glabrous taprooted annual to 15 cm high; stems erect. Basal leaves in a rosette, 2–8 cm long, entire, spathulate, sometimes with 1–3 paris of lobes along margins; cauline leaves 0–2, 7–20 mm long, sometimes with 1 or 2 small lobes. Inflorescence 3–15-flowered; sepals 1–2 mm long; petals 2.5–4 mm long, white or pink; mature style to 1.5 mm long. Fruit erect to slightly spreading, 20–25 mm long, c. 1 mm wide; pedicles 5–10 mm long; seeds c. 1 mm long. Flowers Nov.–Dec. (2 records).