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Arches National ParkSego Lily
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Arches National Park
Trailing Windmills
Allionia incarnata

Allionia incarnata

Family: Nyctaginaceae – Four O'Clock Family

Perennial or winter annual herbs; stems growing along the ground 3.9” to 2.6' (1 to 8 dm) long or more

Leaves: opposite; simple; 0.32” to 2.2” (8 to 55 mm) long, 0.12” to 1.72” (3 to 43 mm) wide; egg-shaped to elliptical

Flowers: pink-purple flowers, rarely white; (6 to 15 mm) long; perfect; 0 petals; 4 to 5 united petaloid sepals; sepaloid bracts (bracts mimic the sepals); 1 pistil; 4 to 7 stamens

Pollinators: other genera in this family are pollinated by insects

Fruits: leathery achene 0.12” to 0.16” (3 to 4 mm) long; indehiscent (not splitting open at maturity)

Blooms: April, May, June, July, August, September, October

Habitat: desert shrub communities

Location seen: outside the park near Amassa Back off Kane Creek Road

Other: The genus name, “Allionia”, is named for Carlo Ludovico Allioni (1728-1804), a professor of botany at Turin, naturalist, physician, author, contemporary and friend of Linnaeus. The species name, “incarnata”, means “flesh-colored”.

Collared Lizard  

Did You Know?
Lizards, including the colorful collared lizard, are one of the most frequently seen animals at Arches. When not chasing flies or basking in the sun, they are often seen doing what appears to be push-ups. Scientists believe this and other behaviors signal dominance and facilitate courtship.

Last Updated: August 18, 2007 at 19:15 EST