| california four o'clock | (n) California four o'clock with purple-red flowers, Syn. Mirabilis laevis, Mirabilis californica |
| desert four o'clock | (n) wildflower having vibrant deep pink tubular evening-blooming flowers; found in sandy and desert areas from southern California to southern Colorado and into Mexico, Syn. Colorado four o'clock, Mirabilis multiflora, maravilla |
| four o'clock | (n) any of several plants of the genus Mirabilis having flowers that open in late afternoon |
| mountain four o'clock | (n) leafy wildflower with lavender-pink flowers that open in the evening and remain through cool part of the next day; found in open woods or brush in mountains of southern Colorado to Arizona and into Mexico, Syn. Mirabilis oblongifolia |
| sweet four o'clock | (n) leafy wildflower having fragrant slender white or pale pink trumpet-shaped flowers; southwestern United States and northern Mexico, Syn. Mirabilis longiflora, maravilla |
| trailing four o'clock | (n) trailing plant having crowded clusters of 3 brilliant deep pink flowers resembling a single flower blooming near the ground; found in dry gravelly or sandy soil; southwestern United States and Mexico, Syn. trailing windmills, Allionia incarnata |