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Eremalche rotundifolia, the desert five-spot, is a flowering plant in the family Malvaceae, native to the Mojave Desert and Colorado Desert in the Southwestern United States.

Eremalche rotundifolia
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malvales
Family:	Malvaceae
Genus:	Eremalche
Species:	E. rotundifolia
Binomial name
Eremalche rotundifolia (A.Gray) Greene

Thisa dicot and annual herb [1] is found in scrublands, desert flats, washes and open stony areas between 50 and 1,500 m in elevation. It can be found in Anza-Borrego Desert State Park and in Death Valley National Park in southern California. It can also be found in Nevada and Utah.

Generally this wildflower is only found between March and May.[2]

Description

Eremalche rotundifolia is an annual plant growing to 8–60 cm tall, with rounded leaves 1.5–6 cm broad with a toothed margin.

The flowers are dark-pink to lilac with five overlapping petals, each with a dark red/purple spot near the base. When fully open the petals are slightly in-curved, giving the flower a nearly spherical shape. The center contains a ring of light pink stigmas around a group of smaller pink stamens.

The leave are round and green with a covering of short bristly hairs, while the red/brown stems have similar but longer hairs. Stems are usually unbranched.

Petals close at night, reopening the next morning, and the leaves move during the day to receive the maximum amount of sunlight.[2]

References

• Jepson Flora Project: Eremalche rotundifolia
• USDA Plant Profile: Eremalche rotundifolia
• Mojave Desert Wildflowers, Jon Mark Stewart, 1998, pg. 132

External links

• Calflora Database: Eremalche rotundifolia (Desert five spot)
• USDA Plants Profile for Eremalche rotundifolia (Desert fivespot)

Wikimedia Commons has media related to Eremalche rotundifolia.

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