Flora of North America species comparison

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Chrysopsis linearifolia subsp. dressii
Photo is of parent taxon

Dress' goldenaster
Stems

green to dark purple, 30–80 cm.
Leaves

less numerous (to 100 on tall plants), linear to linear-lanceolate or elliptic, sometimes very undulate, strongly twisted.
Heads

4–30(–50) in open corymbiform arrays.

Chrysopsis linearifolia subsp. dressii
Phenology Flowering Sep–Nov.
Habitat Open sandy areas in oak pine woods, fields, roadsides
Elevation 10–50 m (0–200 ft)
Distribution
from FNA
FL
[BONAP county map]
Discussion

Subspecies dressii is known from the central half and west of the peninsula. The report of the subspecies from southern Bay County (J. C. Semple 1981) was based on a few plants that were subsequently determined to be a hybrid swarm involving subsp. linearifolia and another species. This subspecies might deserve species status and more investigation is warranted. Plants of subsp. dressii could be confused with sparsely hairy forms of Chrysopsis subulata, which differ in having twisted, subulate phyllaries.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 219.
Parent taxa Asteraceae > tribe Astereae > Chrysopsis > Chrysopsis linearifolia
Sibling taxa
C. linearifolia subsp. linearifolia
Name authority Semple: Brittonia 30: 494. (1978)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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