Idaho OnePlan recommends the website of the
Idaho Weed Awareness
Campaign as the best resource for up-to-date information about
Idaho's noxious weeds, and their control.
Source for this page: Idaho's Noxious Weeds by Robert H. Callihan & Timothy W. Miller
Syrian Beancaper (Zygophyllum fabago) is native to the Syrian desert and westward to the Mediterranean Sea. It spreads by seed and in some conditions by creeping roots. It is well suited to dry environments.
Syrian Beancaper is a perennialPlant that lives for more than 2 growing seasons that may act like an annualPlant that germinates, flowers, seeds, and dies during one growing season in regions with harsh winters. Leaves are somewhat succulent, oppositeLeaves situated directly across the stem from each other, and compoundLeaves with 2 or more distinct leaflets, each having 2 oval,1-inch leaflets. Stems are smooth, thickened, and up to 1½ feet tall, giving the plant a bushy appearance. Flowers are borne singly or in pairs from the leaf axilsThe angle formed between a leaf and stem, salmon to yellow or white with pinkish veins, and up to ¾ inch across. Flowering occurs from April to June. Seed pods are oblong, up to 1½ inches long, 5-angled, and ribbed; each contains several oval, ½ inch long, gray seeds. Buds on horizontally spreading, brownish-orange roots germinate to form dense patches.
Syrian Beancaper has been reported in several western states and in selected Idaho counties that are shown below.
No biological control agents are available to control Syrian Beancaper, but herbicides are available that can control this weed.