Perennial that infests moist areas such as irrigated pastures, rangelands, hay fields, and other crop fields; also infests disturbed sites such as roadsides, railways, and ditches. Three species occur in New Mexcio: Kebs-podded hoary cress
(C, Chalapensis), heart podded cress (C. draba) and globe podded hoary cress (C. pubescens); Heart poddedis most common. Some botanists place these plants in the genus Lepidium (L. chalapensis, L. draba, L pubescens)
ALSO KNOWN AS: Whitetop, little whitetop., hairy whitetop, Lepidium spp
Stems / Leaves: Mostly single stems (6-24" tall) are hairy with some branching near top; leaves (0.5- 4" long, 0.1-1.5" wide) are alternate, gray-green, oblong to narrow in shape, sometimes hairy, with entire two toothhed margins; upper leaves clasp stem.
FLOWERS: Numerous small, white, fragrant flowers with four petles (0.08-0.16" long) form rounded or flat topped inflorescences at stem ends; seed pods (0.1-0.2" long and wide) are round, oval , or heart shaped, light green to brown, with a short projestion (0.04-o.08 " long)
ROOTS: Extensive creeping perennial root system
REPRODUCTION: Perennial roots and seed reproduction
Management Do's and Don'ts
NMSU: Troublesome Weeds of New Mexico College of Agricultural, Consumer and Environmental Sciences, New Mexico State University
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