Wolfe Ranch/Delicate Arch Viewpoint Road Closed
Due to flash flooding in Salt and Winter Camp Washes, the Delicate Arch Road is currently inaccessible.
Extreme Fire Danger
Due to extremely dry conditions, fire restrictions are in effect in all national park units in Southeast Utah. More »
Synonym: Ceratocephalus testiculatus
Family: Ranunculaceae – Buttercup Family
Annual herbs; dicot; 0.6” to 4” (1.5 to 10 cm) tall; hairy
Leaves: basal; simple; deeply 3-parted; 0.12” to 1.6” (0.3 to 4 cm) long, 0.12” to 1.2” (0.3 to 3 cm) wide
Flowers: 2 to 5 yellow petals, 0.14” to 0.31” (3.5 to 8 mm) long; 5 hairy green sepals; stamens 5 to numerous; pistils 5 to many; perfect
Pollinators: other Ranunculus species are pollinated by insects
Fruits: hairy achenes; most fruits in this family are poisonous because of the volatile acrid oil - protoanemonin
Blooms in Arches National Park: March, April, May
Habitat in Arches National Park: disturbed areas and dry areas
Location seen: Windows, Delicate Arch trail
Other: The genus name, “Ranunculus”, means “small frog” which refers to the many species of this genus that grow in moist locations. The genus name, “Ceratocephalus”, is from the Greek “keras” which means "a horn" and the Greek “kephale” meaning "head". The species name, “testiculatus”, refers to the ovate and solid shape.
This plant is a weed and was introduced from Eurasia. Several species in this family are grown as ornamentals, others provide drugs, and some are poisonous.
Did You Know?
Native Americans never inhabited Arches on a year-round basis, though they certainly roamed the area searching for wild game, useful plants and rocks for tool-making. Petroglyphs near Wolfe Ranch are thought to have been created by Indians from the Ute/Paiute cultures. More...