Botanical name: Ranunculus diffusus Family: Ranunculaceae (Buttercup family)
Spreading Buttercup is a perennial herb with fibrous roots and ascending or prostrate stems, 10-40 cm. The stem roots at lower nodes. Basal leaves 1-3; petiole 4-9 cm, blade simple or ternate, 3-partite or 3-sect. Ternate leaves with blade 2.8-4.5 × 3-5.5 cm, petiolules short; central leaflet ovate, 3-lobed; lateral leaflets unequally 2-lobed. Lower stem leaves similar to basal ones, upper stem leaves with shorter stalks. Yellow flowers 0.8-1.5 cm in diam. Stalk 1-5.5 cm. Petals 5(or 6), narrowly obovate or oblong-obovate, 5-7 × 2-4 mm, nectary pit covered by a scale, apex rounded. Stamens numerous; anthers oblong or ellipsoid. Flowering: March-June.
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The flower labeled Spreading Buttercup is ...