About Draba aureola S.Watson
Draba aureola S.Watson is a species of flowering plant in the mustard family Brassicaceae, commonly called the Mt. Lassen draba or Mt. Lassen whitlow-grass. This species is native to the Cascade Range of western North America, and it grows at elevations above 2000 meters. It is typically a perennial plant that grows in rocky habitats, including volcanic cliffs and scree. It produces one or more short, stout stems covered in stiff hairs. Its leaves grow in a dense basal clump at ground level; the leaves are thick and fleshy, and covered in a carpet-like coat of stiff, light-colored branching hairs. The stem may grow erect above the leaf clump, or the plant's inflorescence may sit directly on top of the leaf clump. The inflorescence is spherical or club-shaped, and can hold up to 80 small yellow flowers packed densely together, with each flower petal measuring around 5 millimeters wide. The fruit produced by this plant is a wavy-edged, hairy silique that is roughly one centimeter long and half a centimeter wide.
