Scrophulariaceae
Rhinanthus minor ssp. minor

Yellow Rattle

Stems erect, leafy, sometimes branched. Plant slightly hairy. Leaves opposite, sessile, 1–3 in. long, lance-shaped, with pointed tip, deeply toothed. Flowers among leaves. Flower calyx inflated like a green balloon with a small yellow flower emerging; upper lip hood-like over 3 lobes below. Seeds inside enlarged calyx rattle when dry. Grows in moist fields, meadows, at low elevations. Circumboreal.

  • Rarity: Locally Common
  • Flowering Time: Early Summer
  • Life Cycle: Annual
  • Height: 10--30 inches
  • Habitat: Meadow, Moist Open Areas,
  • Found In: West Gorge, Mt. Rainier NP
  • Native: Yes