Ambrosia salsola (Cheesebush, Burrobrush)

 3/15/19 Desert Lily Sanctuary, Desert Center, Chuckwalla Valley, E. Riverside County, CA

  3/15/19 Desert Lily Sanctuary, Desert Center, Chuckwalla Valley, E. Riverside County, CA

 3/15/19 Desert Lily Sanctuary, Desert Center, Chuckwalla Valley, E. Riverside County, CA

3/4/17 Shaver's Valley, Eastern Riverside County, CA

3/15/19 Shaver's Valley

2/6/05 Wash on north side of Box Canyon Rd. across from Little Box Canyon Trailhead between Meccacopia Trail & Sheep Hole Oasis Campground, Mecca Hills, E. Riverside County, CA

4/3/17 Day use area off CA 190 between Stovepipe Wells and Emigrant, 
Death Valley National Park, Inyo County, CA

4/3/17 Ricardo Campground, Red Rock Canyon State Park, Kern County, CA

LIFE LIST NOTES:

COMMON NAME: Cheesebush, Burrobrush

SPECIES: Ambrosia salsola

FAMILY: Asteraceae (Sunflower Family)

LIFE LIST DATE: 2/6/2005

LOCATION: Wash on north side of Box Canyon Rd. across from Little Box Canyon Trailhead between Meccacopia Trail & Sheep Hole Oasis Campground, Mecca Hills, E. Riverside County, CA

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Treatment from Jepson eFlora:

NATIVE

Habit: Subshrub <= 2 m. 

Stem: branched throughout. 

Leaf: 2--5 cm, linear to thread-like or with few thread-like lobes, abaxially glabrous or puberulent, resinous, adaxially grooved, densely minutely puberulent in groove. 

Inflorescence: staminate and pistillate heads +- sessile, mixed, or staminate +- distal to pistillate, 1 or in tight groups on short, spike-like branches; staminate head 2--4 mm diam, phyllaries 4--8, +- glabrous or puberulent; pistillate head 1-flowered. 

Fruit: bur 3--6 mm, body widely fusiform; wings 5--18, whorled or spiraled, 2--7 mm, often reniform. 

Note: Hybridizes with A. dumosa. Varieties intergrade. 

eFlora Treatment Author: David J. Keil