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Powdery mildew: Appears as a fine, white, powdery coating on the upper surfaces of young leaves, shoots, buds and sepals.—Rita Perwich, San Diego Union-Tribune, 2 May 2026 In most flowers, sepals are a whorl of green, known as a calyx, at the base of the petals, but here sepals, which are pointed, make up the entire inflorescence.—Joshua Siskin, Oc Register, 25 Apr. 2026 The yellow flowers are small and cup-shaped with five to nine petal-like sepals.—Michele Laufik, Martha Stewart, 31 Mar. 2026 Every morning, the little nightingale probed the earth for insects and dipped her beak into the sparkling dew that collected on the chicory’s sepals.—Hazlitt, 19 Nov. 2025 Set atop large gray-green leaves, the flowers emerge one at a time from the spathe with three brilliant orange sepals and three bright blue petals.—Mary Marlowe Leverette, Southern Living, 14 May 2025 The sepals of the deep pink flowers are steeped with soul-warming spices and sugar to make a heady, floral refresher.—Saveur Editors, Saveur, 11 Apr. 2024 The sepals and all those fancy Latin words that tell you what’s what.—Stephen Orr, Better Homes & Gardens, 16 Mar. 2023
Word History
Etymology
New Latin sepalum, from sep- (irregular from Greek skepē covering) + -alum (as in petalum petal)