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Calochortus greenei
Calochortus greenei is a species of flowering plant in the lily family, Liliaceae, known by the common name Greene's mariposa lily. It is native to northern California and southern Oregon, where it grows in grasslands and open forests in the Siskiyou Mountains. In June and July, the plant produces showy pink flowers after most surrounding vegetation has dried and turned yellow.
Despite its rarity and relatively few populations, C. greenei is not listed as threatened or endangered at the state or federal levels. Individual populations, though scattered, often contain many plants. Its primary threats include grazing, invasive species, and poaching.
Many species of Calochortus, including C. greenei, have been grown in cultivation. One horticulturalist in Sonoma County, California reported successfully germinating seeds but that the young plants consistently died after one or two years across multiple attempts, possibly due to the mild climate. The plants most likely require cold, dry winters, some water during the spring, and summer drought, though little else is known about their requirements in cultivation.
Poaching for horticultural collection has been identified as a conservation threat to the species. Its narrow habitat requirements, especially related to soil type and moisture, make successful transplanting difficult.
Calochortus greenei has a narrow geographic range, occurring in Siskiyou County, California and adjacent Jackson and Klamath Counties, Oregon. It grows in the Siskiyou Mountains and Shasta Valley at elevations of 700–1400 m, typically on volcanic substrates along slopes or hillsides. As with many species of Calochortus, populations of C. greenei are often individually large but geographically scattered.
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 greenei by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
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.
