Caltha leptosepala ssp. howellii
Ranunculaceae
Marsh-Marigold
Stems 1 to few upright. Basal leaves with 2–10 in. petioles, nearly round, often heart-shaped, 1–4 in. across, shiny, entire or slightly toothed. Flower stem 2–12 in. tall with 1–2 flowers. Flower with 5–12 petal-like sepals that are white, with greenish yellow center, often stained blue on underside. Grows in marshes, streambanks, pond edges, at high elevations. Often found at the edge of snowmelt.
- Rarity: Locally Common
- Flowering Time: Late Spring
- Flower Form: Petals 5, Completely Free, Regular Shape, Ovary Su
- Life Cycle: Perennial
- Height: 6–12 inches
- Habitat: Alpine, Bog/Fen/Wetland, Subalpine, Vernal Wet
- Found In: Crater Lake NP, Mt. Rainier NP, N Cascades NP, Olympic NP, Siskiyous, Steens, West Gorge
- Native: Yes
- Also Known As: Broad-Leaved Marsh-Marigold
- Latin Synonyms: Caltha biflora
