Symphyotrichum concolor

{{Short description|Species of flowering plant in family Asteraceae}}

{{Use dmy dates|date=July 2021}}

{{Use shortened footnotes|date=July 2021}}

{{Use American English|date=July 2021}}

{{Speciesbox

| image = Symphyotrichum concolor 56416300.jpg

| image_caption = Southwest Florida

| range_map = Symphyotrichum concolor distribution.png

| range_map_alt = Symphyotrichum concolor distribution: Bahamas and US (Alabama, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Massachusetts, Mississippi, New Jersey, New York, North Carolina, Rhode Island, South Carolina, Tennessee, and Virginia).

| range_map_caption = Native distribution{{sfn|POWO|2024}}

| status = G5

| status_system = TNC

| status_ref = {{sfn|NatureServe|2024}}

| display_parents = 4

| genus = Symphyotrichum

| parent = Symphyotrichum subg. Virgulus

| species = concolor

| authority = (L.) G.L.Nesom{{sfn|POWO|2024}}

| subdivision_ranks = Varieties

| subdivision_ref = {{sfn|POWO|2024}}

| subdivision =

• S. concolor var. concolor
• S. concolor var. devestitum {{small|(S.F.Blake) Semple}}

| synonyms_ref = {{sfn|POWO|2024}}

| synonyms =

Basionym

• Aster concolor {{small|L.}}

Others

• Lasallea concolor {{small|(L.) Semple & Brouillet}}
• Virgulus concolor {{small|(L.) Reveal & Keener}}

{{Collapsible list|title=Variety synonyms

| var. concolor

|{{Species list

| Aster concolor f. lasiocaulis | Fernald

| Aster concolor var. simulatus | (Small) R.W.Long

| Aster simulatus | Small

| Virgaria concolor | Raf. ex DC.

|}}

| var. devestitum

|{{Species list

| Aster concolor var. devestitus | S.F.Blake

| Symphyotrichum concolor subsp. devestitum | (S.F.Blake) A.Haines

|}}

}}

}}

Symphyotrichum concolor (formerly Aster concolor) is a species of flowering plant in the family Asteraceae with the common name eastern silvery aster.{{sfn|Brouillet|Semple|Allen|Chambers|2006}} It is a perennial, herbaceous plant that may reach {{convert|30|to|80|cm|in|0|abbr=off|sp=us}} in height. Leaves are a grayish-green and have a silky look and feel. The flowers have 8–12 rose-purple, rarely white, ray florets, and pink then purple disk florets. It is native to the Atlantic coastal plain and Piedmont areas of the eastern United States, as well as the Bahamas.