Herbs branched from corky, perennial base or with erect stems and branched above, viscid-glandular, hairs scattered along young stems, straight, spreading, uniseriate, ca. 0.5 mm. Leaves: larger ones 2 times pinnatifid, ultimate lobes obtuse or rounded and usually ± as broad as long. Seeds to 3 mm.
Phenology: Flowering Apr.
Habitat: Open desert, semidesert, calcareous or gypsum hills, bajadas, flats.
Elevation: 800 m.
Distribution
Tex., Mexico (Chihuahua, Coahuila, Durango).
Discussion
Variety latisectum has rarely been collected in the United States, with only one collection known from 30 miles east of Presidio.
Selected References
None.
Lower Taxa
None.