Red winter fruit on the topal holly cultivar ‘Fosteri’ (Foster holly). Photo: David J. Stang, via Wikimedia Commons (CC BY-SA 4.0) Ilex ×attenuata, the East
A kidneyleaf rosinweed flower head surrounded by round, resinous buds near Polkton, Anson County, North Carolina, in July. Photo: Becky Dill, via iNaturalist (CC0) Silphium
The upper part of a shortleaf gayfeather spike, with small lavender heads opening from the top down. Photo: Alex Abair, via Wikimedia Commons (CC BY
Peelbark St. John’s-wort in bloom in southeast Florida. Each flower has five bright yellow petals and a brush of long stamens. Photo: Bob Peterson, via
Buttonsage in flower at John Pennekamp Coral Reef State Park on Key Largo. The rounded, finely toothed leaves are soft and aromatic, and the small
Shortleaf wild coffee in fruit near Hobe Sound, Florida, in November. The fruits pass from green through yellow and orange to glossy red. Photo: Pete
Helmet skullcap in bloom at Hazel Dell Meadow, a wet prairie in Pulaski County, Kentucky. The narrow, untoothed upper leaves give the species its name
A southeastern sunflower head in late summer near Cocoa, Brevard County, Florida. The yellow rays surround a small, dark reddish-purple disc. Photo: Jay Horn, via
A purple-flowered plant in southwest Florida. The large heads sit in a collar of narrow, spiny bracts. Photo: Bobyellow, via Wikimedia Commons (CC BY 4.0)
A loose mound of shortleaf rose gentian in full bloom, its many slender branches each tipped with a white, five-petaled flower. Photo: Alex Abair, via
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