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Mirabilis macfarlanei
Mirabilis macfarlanei is a rare species of flowering plant in the four o'clock family known by the common name MacFarlane's four o'clock. It is native to Idaho and Oregon in the United States, where it is only known from three river canyons. It faces a number of threats and is federally listed as a threatened species of the United States.
This plant grows in the canyons of the Snake, Salmon, and Imnaha Rivers in western Idaho and far eastern Oregon. The sandy soil overlies talus, and the often steep canyon slopes are easily eroded. The habitat is dry and relatively warm native grassland with some shrubs. Common grasses include bluebunch wheatgrass (Agropyron spicatum), sand dropseed (Sporobolus cryptandrus), and pine bluegrass (Poa secunda). Other plants in the habitat include yellow alyssum (Alyssum alyssoides), yarrow (Achillea millefolium), tufted evening primrose (Oenothera cespitosa), smooth sumac (Rhus glabra), rubber rabbitbrush (Chrysothamnus nauseosus), and hackberry (Celtis reticulata).
White four o'clock · Winged four o'clock · Scarlet four o'clock · Mirabilis elegans · Mauka · Marvel of Peru · Desert wishbone-bush · Narrowleaf four o'clock · Sweet four o'clock · Colorado four o'clock · Heartleaf four o'clock · Roundleaf four o'clock
Text excerpted from the Wikipedia article Mirabilis macfarlanei 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.
