Leaves sparsely stipitate-glandular or not. Phyllaries stipitate-glandular. Disc florets 5-10. 2n = 10. Flowering Jul-Oct. Openings, chaparral, thin, gravelly soils of serpentine outcrops, roadsides; of conservation concern; 100-500 m; Calif. Variety micradenia is known only from the Mount Tamalpais region in Marin County.