Crocanthemum nashii

Crocanthemum nashii

Vulnerable  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Cistaceae
Genus: Crocanthemum
Species:
C. nashii
Binomial name
Crocanthemum nashii
(Britton) Barnhart[2]

Crocanthemum nashii (commonly called Florida scrub sunrose, Nash's sunrose, and Florida scrub frostweed)[2] is a species of plant endemic to the U.S. southeast coastal plain from Florida, where it is most common, to North Carolina.[1]

Blooming in remnant of white sand scrub

Habitat

This species belongs to the deep-sanded, fire-dependent habitats of Florida scrub and xeric pine sandhill.[1]

Range

It was once thought to be endemic only to Florida but recent analysis of crowd-sourced photographic evidence and herbarium specimens has shown its range to extend further north. There are an estimated 100 to 200 populations in Florida, 8 in South Carolina, 5 in North Carolina, and 2 in Georgia.[1]

Scrub frostweed sprouts, Lake Panasoffkee FL, Feb 2025
Sprouting up through pine duff in fire-suppressed scrub

Conservation

Due to its specific habitat requirements, the species is threatened by habitat loss and fragmentation due to wildfire suppression and development for real estate and agriculture.[1]

It is state listed S3 (vulnerable) in Florida and S1 (critically imperiled) in North Carolina, South Carolina, and Georgia.[1]

References

  1. ^ a b c d e f g "Crocanthemum nashii (Florida Scrub Frostweed)". NatureServe Explorer. Retrieved 24 May 2025.
  2. ^ a b c "Crocanthemum nashii – Species Details". Atlas of Florida Plants. Retrieved 2022-01-07.


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