Arizona Wild Flowers
Wildflower Pictures And Photos

Range Ratany, Krameria parvifolia

Range Ratany, Krameria parvifolia. Also called Little Leaf Ratany, Krameria erecta.  Flowering Photos Taken Near Lake Pleasant.
Range Ratany, Krameria parvifolia
Flowering Photos Taken April 29, 2003. Near Lake Pleasant.
Range RatanyKrameria erecta (Krameria parvifolia)
Range Ratany
Low, Grayish, Intricately Branched,
Twiggy Shrub With Bilaterally Symmetrical
Reddish-Lavender Flowers
Krameria erecta (Krameria parvifolia)
Leaves: 1/4—1/2” (6—13 mm)
Very Narrow, Grayish,
Hairy, Reddish Prickles
Each With Scattered Barbs Near Tip
Height: 6—24” (15—60 cm)
Flowers: About 1/8” (2 mm) Wide,
Each On Slender Stalk
Bearing Many Gland-Tipped Hairs
Sepals 5, Reddish Lavender Inside
Upper 3 Petals
Much Smaller Than Sepals
Reddish Lavender, Joined At Base
Lower 2 Petals Resembling Small,
Greenish Pads
Blooms March-October

Range Ratany
Krameria erecta, Krameria parvifolia, Ratany Family ( Krameriaceae ) , Range Ratany. Also called Little Leaf Ratany, Krameria erecta.

A low growing, gray, intricately branched, twiggy shrub with bilaterally symmetrical reddish-lavender flowers.

Ratany photosynthesize, but they also parasitize the roots of other plants. These relationships and the hypothesis that range ratany obtains atmospheric moisture through its foliage may explain how it can maintain active growth after soil moisture has dropped below 3 percent.

Ratany offer their bee pollinators oil instead of nectar. The oil bees (Centris) acquire nectar from other plants, but scrape off the oil from ratany to combine with pollen from other plants to feed their larvae.

Range Ratany reproduces sexually by seed. In years with high soil moisture it will flower twice, in the spring and again in the fall.

The root system is shallow, with 40 percent of the root mass in the top 4 inches of the soil, and spreads horizontally and radially.

The Papago Indians used an infusion of the twigs externally for treating sore eyes and internally for dysentery. The roots provided them with a red dye for wool and other materials. The dye was also used as an ink.

Range Ratany provides thermal cover for rattlesnakes (Crotalus spp.) and the western whiptail (Cnemidophorus tigris) [25]. Small mammals, such as the Bailey's pocket mouse (Perognathus baileyi), use Range Ratany for hiding cover.

Range Ratany is an important forage species for all classes of livestock and for deer (Odocoileus spp.) It also provides cover for small mammals and reptiles.

Palatability of Range Ratany is rated fair to good for cattle and sheep. Mule and white-tailed deer browse Range Ratany year-long with seasonal peaks. Mule deer peak use is from February to April and from August to October, and white-tailed deer peak use is from August to October.

Range Ratany and White Ratany look almost the same. The seed pods of Range Ratany have spines along the entire length of the pod and White Ratany does not.

Height: Up To About 6 inches - 36 inches Tall.
Flowers: About 3/4” wide, each on a slender stalk bearing many gland-tipped hairs; sepals 5, reddish lavender inside; upper 3 petals much smaller than sepals, reddish lavender, joined at base, lower 2 petals resembling small, greenish pads.
Blooming Time: Mid March - October. But mainly Mid March - May.
Fruit: Fruit is fuzzy greenish-white ball with barbed spines. Range Ratany has barbs along the entire spines of the fruit.
Leaves: Leaves are inconspicuous, simple, smooth-edged to lobed, narrow, grayish-green, haired, about 1/4" - 1/2” long, very narrow, gray, hairy, reddish prickles, each with scattered barbs near tip.
Stems: Stems are spineless but taper to a sharp point.
Found: Found in Arizona and California .
Elevation: 0 - 5000 Feet.
Habitat: Range Ratany's habitat is the desert environs, where it occupies open, sandy to rocky flats, bajadas, and playas.
Miscellaneous: Flowering Photos Taken April 29, 2003. Near Lake Pleasant.

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Images And Text Copyright George & Audrey DeLange.