Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Annual Ragweed, Short Ragweed Base Flower Color: Yellow, GreenReproductive Phenology: Jul, Aug, Sept, OctBloom Notes: This plant, not Goldenrod, is a cause of hay fever, recognized by all who suffer the discomfiting allergy. For more information about this plant, Click Here. Similar Species: Great Ragweed, Giant Ragweed (Ambrosia trifida L.)
Category Archives: Asteraceae/Compositae (Aster/Composit Family)
Smooth Rosonweed (Silphium asteriscus var. latifolium (A. Gray) J.A. Clevinger)
Asteraceae/Compositae (Aster/Composit Family) Scientific Name Synonym(s): Silphium confertifolium Small, Silphium glabrum Eggert ex Small, Silphium trifoliatum var. latifolium A. Gray, Silphium asteriscus ssp. latifolium Weber & T.R. Fisher. Common Name Synonym(s): Starry Rosinweed Base Flower Color: YellowReproductive Phenology: Jun, Jul, AugNotes: Notice the smooth stem and leaves lacking hairs (Glabrous). For more information about thisContinue reading “Smooth Rosonweed (Silphium asteriscus var. latifolium (A. Gray) J.A. Clevinger)”
Blanket Flower (Gaillardia pulchella Foug.)
Synonym(s): Indian Blanket, Firewheel, Girasol Rojo Asteraceae (Aster Family) Base Flower Color: Red, Yellow, Brown (incl. Maroon) (incl. Maroon), PurpleReproductive Phenology: May, Jun, Jul, AugBloom Notes: May flower longer if rains are plentiful. For more information about this plant, Click Here.
Corn Chamomile (Anthemis arvensis L.)
Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: White, YellowReproductive Phenology: May, Jun, JulBloom Notes: Field Chamomile can be distinguished from other mayweeds by its flat leaf-segments (rather than rounded leaf-segments), and by the woolly pubescence of its foliage. It does not possess the unpleasant odor of Dog Fennel (A. cotula). For more information about this plant,Continue reading “Corn Chamomile (Anthemis arvensis L.)”
Green and Gold (Chrysogonum virginianum G. L. Nesom var. brevistolon)
Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: YellowReproductive Phenology: Mar, Apr, May, Jun For more information about this plant, Click Here.
Singlehead Pussytoes (Antennaria solitaria Rydb.)
Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Solitary Pussytoes Base Flower Color: WhiteReproductive Phenology: Apr, May, Jun For more information about this plant, Click Here. Similar Species: Plantain-Leaf Pussytoes (Antennaria plantaginifolia (L.) Hook.)
Showy Goldenrod (Solidago speciosa Nutt.)
Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Showy Goldenrod, Noble Goldenrod Base Flower Color: YellowReproductive Phenology: Aug, Sept, Oct For more information about this plant, Click Here.
Missouri Ironweed (Vernonia missurica Raf.)
Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: Purple, PinkReproductive Phenology: Jul, Aug, SeptNotes: Missouri Ironweed can be distinguished from other Vernonia spp. primarily by the number of disk florets in the compound flowers, and the profuse hairiness of the stems and lower sides of the leaves. For more information about this plant, Click Here.
Oldfield Aster (Symphyotrichum pilosum (Willd.) G. L. Nesom var. pilosum)
Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Frost Weed, Hairy White Oldfield Aster, Oldfield Weed, White Oldfield Aster. Base Flower Color: YellowReproductive Phenology: Base Flower Color: Yellow, WhiteReproductive Phenology: Aug, Sept, OctNotes: Probably our most often encountered aster here in TN. For more information about this plant, Click Here.
Opposite-leaf Spotflower (Acmella repens (Walter) Rich.)
Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Oppositeleaf Spotflower, Opposite-leaf Spotflower Base Flower Color: YellowReproductive Phenology: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sept, Oct, Nov, DecBloom Notes: Disc florets yellow to orange. Ray florets orange For more information about this plant, Click Here.