Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: PurpleReproductive Phenology: May, Jun, Jul, Aug, SeptBloom Notes: Carduus nutans invades a variety of disturbed areas. Pastures are particularly at risk because it is unpalatable to livestock. Once established it can spread rapidly due to high seed production (as much as 120,000 seeds per plant). For more information aboutContinue reading “Nodding Thistle (Carduus nutans L.)”
Category Archives: Photographic Location: Wilson County in Middle Tennessee.
Yellow Sneezeweed, Bitterweed (Helenium amarum (Raf.) H. Rock var. amarum)
Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Five-leaf Sneezeweed; Sneezeweed; Yellowdicks Base Flower Color: Yellow, Brown (incl. Maroon)Reproductive Phenology: Feb, Mar, Apr, May, Jun, Jul, Aug, Sept, Oct, Nov For more information about this plant, Click Here.
Dame’s Rocket (Hesperis matronalis L.)
Brassicaceae (Mustard Family) Base Flower Color: Purple, Pink, WhiteReproductive Phenology: Apr, May, Jun, Jul, AugEcological Threat: Dame’s rocket displaces native plant species. For more information about this plant, Click Here.
Wild Poinsettia (Euphorbia cyathophora Murray)
Euphorbiaceae (Spurge Family) Synonym(s): Wild Poinsettia, Poinsettia, Fire On The Mountain Base Flower Color: Yellow, GreenReproductive Phenology: Jun, July, Aug, Sept For more information about this plant, Click Here.
Great Ragweed (Ambrosia trifida Cronquist var. trifida)
Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Great Ragweed, Giant Ragweed Base Flower Color: Green, Brown (incl. Maroon)Reproductive Phenology: Jul, Aug, Sept, Oct, NovBloom Notes: This is the giant among the ragweeds, reaching towering heights and possessing long flower spikes. For more information about this plant, Click Here. Similar Species: Annual Ragweed, Short Ragweed (Ambrosia artemisiifolia L.)
Tennessee Coneflower (Echinacea tennesseensis (Beadle) Small)
Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: Orange , PurpleReproductive Phenology: Jun , Jul , AugNotes: One of the nation’s rarest wildflowers, it was the second plant listed as endangered by the U.S. Fish and Wildlife Service in June 1979. For more information about this plant, Click Here.
Dandelion (Taraxacum officinale F. H. Wigg.)
Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: YellowReproductive Phenology: In Tennessee you can see this plant any month. For more information about this plant, Click Here.
Tall Thistle (Cirsium altissimum (L.) Spreng.
Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Tall Thistle, Roadside Thistle Base Flower Color: PinkReproductive Phenology: Jun , Jul , Aug , Sep , OctBloom Notes: Ray flowers absent.Size Notes: Up to about 12 feet tall, often much shorter. For more information about this plant, Click Here.
Lyreleaf Sage (Salvia lyrata L.)
Lamiaceae (Mint Family) Synonym(s): Lyreleaf Sage, Cancer Weed Base Flower Color: White , Blue , VioletReproductive Phenology: Mar , Apr , May , JunBloom Notes: Pale blue to lavender to white in color. For more information about this plant, Click Here.
Curlytop Knotweed (Polygonum lapathifolium L.)
Polygonaceae (Buckwheat Family) Synonym(s): Curlytop Knotweed, Curl-top Smartweed, Pale Smart Base Flower Color: White , Pink , PurpleReproductive Phenology: Jul , Aug , Sep , Oct For more information about this plant, Click Here.