Vascular Plants of North Carolina
Account for Swamp Tickseed - Coreopsis palustris   Sorrie
Members of Asteraceae:
Members of Coreopsis with account distribution info or public map:
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Section 6 » Order Asterales » Family Asteraceae
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DistributionOuter Coastal Plain north to Pitt and Beaufort counties; absent from the northeastern corner of the state.

Coastal Plain, NC to northeastern FL.
AbundanceRare to locally uncommon; numerous at a few sites. This is a Significantly Rare species.
HabitatOpenings in Cypress-gum swamps, shores and banks of blackwater creeks, fresh-tidal creeks and associated marshes.
PhenologyFlowering and fruiting September-October.
IdentificationUnlike any of our tickseeds, Swamp Tickseed lacks lower and basal leaves at flowering time; they drop off from the 4 lowest nodes, sometimes more. Stem leaf blades are elliptical to ovate. Heads are few in number, with yellow rays and brown disks.
Taxonomic CommentsFormerly lumped by most authors into C. gladiata, but see Sorrie et al. (2013). Formerly treated as C. helianthoides, such as in RAB (1968), but that name had to be replaced (see Sorrie et al.)

For excellent drawings of all species (except those recently described) and range maps (although now out-of-date), see the monograph by Smith (1976).
Other Common Name(s)Beadle's Tickseed
State RankS1S2 [S2]
Global RankG3G4Q
State StatusSR-P
US Status
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