Engelmannia peristenia
Rhodora 94: 381. 1992.
Common names: Engelmann daisy cutleaf daisy
Illustrated
Basionym: Silphium peristenium Rafinesque Atlantic J. 1: 146. 1832
Synonyms: Engelmannia pinnatifida Nuttall
Treatment appears in FNA Volume 21. Treatment on page 87.
Basal leaves (5–)10–30 cm. Cauline leaves gradually smaller distally, primary lobes ovate to narrowly linear, their margins sometimes again lobed or toothed. Involucres 6–10 mm. Phyllary tips hirsute-ciliate. Ray corollas 10–16 mm. Disc corollas 3.5–5 mm. Cypselae 3–4 mm; pappi 1–2 mm. 2n = 18.
Phenology: Flowering Apr–Jul.
Habitat: Grasslands, pinyon-juniper woodlands, desert scrub, roadsides
Elevation: 100–2000 m
Distribution
Ariz., Ark., Colo., Kans., Mo., Nebr., N.Mex., Okla., S.Dak., Tex., Mexico (Chihuahua, Coahuila, Nuevo León, Tamaulipas).
Discussion
Selected References
None.
Lower Taxa
None.