Parry's Leastdaisy

Perennials, 10–35 cm, eglandular; fibrous-rooted with slender, branching rhizomes. Leaves (basal often persistent at rhizome tips) not densely overlapping; blades spatulate to spatulate-obovate, 15–30(–40) × 2–5 mm, gradually or little reduced distally, herbaceous, bases attenuate, not clasping, flat (2-grooved adaxially), faces hispido-pilose to strigose or glabrate. Involucres cylindro-turbinate, 4–6 × 2–4 mm. Ray florets 7–9; corollas white. Disc florets 10–15, bisexual. Cypselae 1.9–2 mm, 3–5-nerved, faces glabrate to sparsely strigose; pappi hyaline crowns of basally fused scales 0.3–0.8 mm in 1 series. 2n = 16.

Chaetopappa parryi, called the Parry's lazy daisy, or Parry's leastdaisy, is a North American species of plants in the family Asteraceae. It is native to northeastern Mexico (Coahuila, Nuevo León, San Luis Potosí, Tamaulipas) and to the Big Bend region of western Texas.