Stems yellow to orange. Inflorescence of few- to several-flowered glomerules. Flowers sessile, 2–3 mm long, 5-merous; calyx turgid, yellow, the lobes broader than long, rounded at the tip; corolla tube as long as calyx; appendages almost reaching the top of the tube; stamens barely surpassed by the corolla lobes; stigmas elongate. Capsule circumscissile near the base (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).