White Easterbonnets

Annuals, 3–15 cm. Stems decumbent to ascending. Leaves: blades oblanceolate to linear, 5–20 mm, rarely lobed, ultimate margins, usually entire, plane (apices acute), faces sparsely woolly. Heads borne singly. Peduncles 1–5 cm. Involucres campanulate to obconic, 3–5 mm diam. Phyllaries 8–10, distinct. Ray florets 8–10; laminae white with red veins, 3–5 mm. Disc florets 10–20; corollas 2–3 mm (tubes cylindric, throats funnelform, gradually dilated, lobes glandular; anther appendages subulate, not glandular). Cypselae 2.5–4.5 mm; pappi of 5 subulate scales 1.5–2.5 mm plus 4–5 oblong scales ± 0.5 mm. 2n = 8.

Burrielia lanosa A. Gray in War Department [U.S.], Pacif. Railr. Rep. 4(5): 107. 1857; Antheropeas lanosum (A. Gray) Rydberg