Lepidium obtusum - Bluntleaf Pepperweed

Bluntleaf Pepperweed is a perennial herb, 45-85 cm tall. Stems are erect, branched, hairless. Basal and lowermost stem leaves are stalked, withered early. Upper stem leaves are stalkless or nearly so; leaf blade oblong-ovate, oblong, or lanceshaped, 0.3-9 x 0.1-2.5 cm, leathery, hairless or rarely sparsely velvet-hairy, base wedge-shaped or blunt, margin entire or rarely minutely toothed, tip blunt or pointed. Infructescence paniculate, ultimate branches capitate. Fruiting flower-stalks are 1-3 mm, slender, velvet-hairy. Sepals are persistent, ovate or nearly round, 0.9-1.5 × 0.8-1.5 mm, sparsely crisped hairy below, broadly white at margin and tip. Petals are white, obovate, 1.3-1.8 x 0.8-0.9 mm, base shortly clawed, tip rounded. Stamens are 6; filaments 1-1.4 mm. Fruit is broadly ovate, 1.6-2.3 x 1.8-2.2 mm. Bluntleaf Pepperweed is foun din pastures, field margins, waste places, deserts, in Central Asia to SW Siberia, Afghanistan and West Himalaya. Flowering: July-August.