The photo at right shows weakstem cryptantha at the mouth of the Deschutes River, Columbia Gorge Scenic Area, OR.....April, 1992.
Weakstem cryptantha is an annual wildflower iwth slender, simple to freely branched stems from the base. The stems range from 20-50 cm high and are covered with straight, stiff and appressed hairs. The leaves are narrowly linear to linear-spatulate in shape and are 1.5-3 cm long. The lower leaves may be alternate on the stems while the upper leaves are alternate.
The inflorescences consist of 2-3 spikes at the end of each stem (See photo below.). The calyx is unsymmetrical and ranges from 2.5-5 mm long in fruit and is covered with appressed to spreading, curved or hooded hjairs. The corolla is small with white petals, the limb measuring only 1-2.5 mm wide.
Weakstem cryptantha may be found at lower elevations on dry, open slopes and flatlands.
Weakstem cryptantha may be found east of the Cascade Mts. from central and southeastern Washington to southern California and eastwards to the western part of the Snake River Plains in Idaho. Plants may also be found west of the Cascade Mts. from the southern Willamette Valley south to California.