Symphyotrichum foliaceum

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

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

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

{{Speciesbox

| image = Symphyotrichum foliaceum 2.jpg

| image_caption = British Columbia

| status = {{TNCStatus}}

| status_system = TNC

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

| range_map = Symphyotrichum foliaceum distribution.jpg

| range_map_alt = Symphyotrichum foliaceum distribution map: Canada — Alberta and British Columbia; US — Alaska, Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming.

| range_map_caption = Native distribution{{sfn|POWO|2021}}

| display_parents = 5

| parent = Symphyotrichum sect. Occidentales

| genus = Symphyotrichum

| species = foliaceum

| authority = (Lindl. ex DC.) G.L.Nesom{{sfn|POWO|2021}}

| subdivision_ranks = Varieties

| subdivision_ref = {{sfn|POWO|2021}}

| subdivision =

{{Collapsible list|bullets=on

| S. foliaceum var. foliaceum

| S. foliaceum var. apricum {{small|(A.Gray) G.L.Nesom}}

| S. foliaceum var. canbyi {{small|(A.Gray) G.L.Nesom}}

| S. foliaceum var. cusickii {{small|(A.Gray) G.L.Nesom}}

| S. foliaceum var. parryi {{small|(D.C.Eaton) G.L.Nesom}}

}}

| synonyms_ref = {{sfn|POWO|2021}}

| synonyms = Basionym

• Aster foliaceus {{small|Lindl. ex DC.}}

{{Collapsible list|title=Varieties

|{{Collapsible list|title=var. foliaceum

|{{Species list

| Aster botryanthus | K.Koch

| Aster canbyi | Vasey ex A.Gray

| Aster douglasii | D.C.Eaton

| Aster foliaceus var. diabolicus | Onno

| Aster foliaceus var. typicus | Onno

| Aster peregrinus | Less.

|}}

|}}

|{{Collapsible list|title=var. apricum

|{{Species list

| Aster apricus | Rydb.

| Aster foliaceus subsp. apricus | (A.Gray) Piper

| Aster foliaceus var. apricus | A.Gray

| Aster phyllodes | Rydb.

| Aster subspicatus var. apricus | (A.Gray) B.Boivin

| Aster tweedyi | Rydb.

|}}

|}}

|{{Collapsible list|title=var. canbyi

|{{Species list

| Aster foliaceus var. burkei | A.Gray

| Aster foliaceus var. canbyi | A.Gray

|}}

|}}

|{{Collapsible list|title=var. cusickii

|{{Species list

| Aster cusickii | A.Gray

| Aster cusickii var. lyallii | A.Gray

| Aster foliaceus var. cusickii | (A.Gray) Cronquist

| Aster foliaceus var. lyallii | (A.Gray) Cronquist

| Aster kootenayi | A.Nelson & J.F.Macbr.

| Symphyotrichum cusickii | (A.Gray) G.L.Nesom

|}}

|}}

|{{Collapsible list|title=var. parryi

|{{Species list

| Aster ascendens var. parryi | D.C.Eaton

| Aster diabolicus | Piper

| Aster foliaceus var. frondeus | A.Gray

| Aster foliaceus subsp. frondeus | (A.Gray) Piper

| Aster foliaceus var. parryi | A.Gray

| Aster frondeus | Greene

|}}

|}}

}}

}}

Symphyotrichum foliaceum (formerly Aster foliaceus) is a species of flowering plant in the family Asteraceae native to western North America. Its common names are leafy aster, leafy-bracted aster, and alpine leafybract aster, and it is a perennial, herbaceous plant that may reach heights from {{convert|10|to|60|cm|in|0|abbr=off|sp=us}}. Its flowers have violet to purple ray florets and yellow disk florets.

Four varieties were accepted {{As of|2021|July|lc=y}} by Plants of the World Online (POWO), as follows: S. foliaceum var. apricum, S. foliaceum var. canbyi, S. foliaceum var. cusickii, and S. foliaceum var. parryi.{{sfn|POWO|2021}} The autonym is S. foliaceum var. foliaceum.