Chrysopsis linearifolia

Chrysopsis linearifolia Semple is one of the species with non-glandular upper leaves and phyllaries and fruits with reddish brown ridges.  Rosette leaves can be densely wooly like other species are sparsely wooly later in the season.  The species is diploid with 2n=10.  See Semple (2006 FNA).

Heads 20–100, in compact subumbelliform to paniculiform arrays; stems often dark purple, 30–200 cm; leaves numerous (to 200 on tall plants), linear to narrowly linear (lengths more than 10 times widths), flat or slightly undulate or twisted; panhandle Florida   Chrysopsis linearifolia ssp. dressii Semple

Heads 4–30(–50) in open corymbiform arrays; stems 30–80 cm, green to dark purple; leaves less numerous (to 100 on tall plants), linear to linear-lanceolate or elliptic, sometimes undulate, strongly twisted; c, w peninsular Florida      Chrysopsis linearifolia ssp. linearifolia

Last revised 19 April 2025 by J.C. Semple

© 2025 J.C. Semple, including all photographs unless otherwise indicated