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Caltha leptosepala var. leptosepala (White marsh-marigold)
Cressler, Alan

Caltha leptosepala var. leptosepala

Caltha leptosepala DC. var. leptosepala

White Marsh-marigold, Alpine White Marsh-marigold, Mountain Marsh-marigold, Elks-lip Marsh-marigold, Slender Sepal Marsh-marigold

Ranunculaceae (Buttercup Family)

Synonym(s): Caltha biflora var. rotundifolia, Caltha chelidonii, Caltha leptosepala var. rotundifolia, Psychrophila leptosepala


USDA Native Status: L48 (N), AK (N), CAN (N)

This taxon appears as Caltha leptosepala ssp. leptosepala var. leptosepala on the USDA PLANTS Database website.


From the Image Gallery

5 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Follicle
Size Notes: To about 15 inches in height.

Bloom Information

Bloom Color: White , Yellow
Bloom Time: May , Jun , Jul , Aug
Bloom Notes: Flowers white to creamy-yellow.


USA: AK , AZ , CO , ID , NM , NV , OR , UT , WA , WY
Canada: AB , BC , YT

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Caltha leptosepala var. leptosepala in USDA Plants
FNA: Find Caltha leptosepala var. leptosepala in the Flora of North America (if available)
Google: Search Google for Caltha leptosepala var. leptosepala


Record Modified: 2023-07-20
Research By: Joseph A. Marcus

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