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Calochortus umpquaensis
Umpqua mariposa lily is a bulbous wildflower from the lily family, native only to southwestern Oregon's Klamath Mountains. It is grown mainly by specialist native-plant gardeners, and it needs sharp drainage and a dry summer rest.
Calochortus umpquaensis is a species of flowering plant in the lily family known by the common name Umpqua mariposa lily. It is endemic to Oregon in the United States, where it is mainly limited to the region of the Klamath Mountains on the Little River in Douglas County, in particular the Watson and Ace Williams Mountains. The flower has also been found at a single location in each of Josephine and Jackson Counties.
This plant was described to science in 1989 when an isolated population of what had been reported to be Calochortus howellii was shown to belong to a separate species. The stem is 20 to 30 centimeters tall and the inflorescence contains one or more flowers. The bell-shaped flower has three hairy white or cream-colored petals, each with a bearded purple-black blotch at the base, measuring up to 3.5 centimeters in length. The fruit is a capsule up to 5.4 centimeters long.
White fairy-lantern · Diogenes' lantern · Doubting mariposa lily · Purple fairy-lantern · Pointedtip mariposa lily · Clay mariposa lily · Golden mariposa lily · Calochortus balsensis · Calochortus barbatus · Bruneau mariposa lily · Santa Catalina mariposa lily · Calochortus cernuus
Text excerpted from the Wikipedia article Calochortus umpquaensis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
Pet safety from the ASPCA toxic and non-toxic plant lists.
