An Illustrated Guide to ARIZONA WEEDS

The University of Arizona Press

SMALL MATWEED

Illustration

PIGWEED FAMILY-Amaranthaceae

SMALL MATWEED-Brayulinea densa (Humb. & Bonpl.) Small

DESCRIPTION-A native plant closely resembling khakiweed, but the matted stems are always very close to the ground. The leaves are smaller, 1/4 to 1/2 inch long; the stems, under leaf surfaces, and flower clusters are white woolly. The long, unjointed, weak hairs are not distinct, but soft and entangled.

DISTRIBUTION-Not a city weed like khakiweed, small matweed thrives on dry sandy, hard clay, or rocky soil in hot sun or shade on dirt roads, trails, and especially on overgrazed ranges and waste places around ranches; in desert grassland, pinyon-juniper, and oak-pine association; in southeastern Arizona, Cochise, Greenlee, Graham, Gila, Pima, and Santa Cruz counties; 3,800 to 6,800 feet elevation; flowering June to October. This perennial weed is becoming a serious pest on some ranges in Cochise and Santa Cruz counties.

Copyright (c) 1972 The Arizona Board of Regents



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