Plant Index


 
 
 

Symphyotrichum grandiflorum

Symphyotrichum grandiflorum (L.) G.L. Nesom

large-flower american-aster, big-headed aster, largeflower aster

Synonym(s): Aster grandiflorus, Lasallea grandiflora
Symphyotrichum grandiflorum (Large-flower American-aster)
Image ID: 17675
Image by: Sorrie, Bruce A.
Image Collection: NCBG Digital Library

PLANT INDEX

ID_PLANT: SYGR5
SCIENTIFIC NAME: Symphyotrichum grandiflorum
Include in WOTAS: 1
Publish to Web: 1
Last Modified: 2018-09-23

GENUS INDEX

GENUS CODE: SYMPH4
GENUS SCIENTIFIC: Symphyotrichum
GENUS AUTHORITY: Nees
GENUS COMMON: Aster
GENUS SUMMARY: A genus of about 90 species, of the Americas and e. Asia, most diverse in our area.
GENUS IDENTIFICATION:
GENUS REFERENCES: Brouillet et al. FNA (2006b); Brouillet & Semple (1981); Cronquist (1980)=SE; Jones (1980a, 1980b, 1984); Jones & Young (1983); R. Jones (1983)=Z; R. Jones (1992); Lamboy (1987, 1992)=Y; Nesom (1994)=X; Nesom (2005b)=V; Nesom (1993a, 1993b, 1994, 1997); Campbell & Seymour (2014)=J; Noyes & Rieseberg (1999); Semple & Brouillet (1980a, 1980b); Semple, Chmielewski, & Lane (1989); Semple, Heard, & Xiang (1996); Sundberg (2004)=Q; Reveal & Keener (1981); Warners & Laughlin (1999); Xiang & Semple (1996). Key to subgenus Astropolium based on Nesom (2005b).

FAMILY INDEX

FAMILY CODE: ASTERA
FAMILY SCIENTIFIC: Asteraceae
FAMILY AUTHORITY: Dumortier 1822 or COMPOSITAE Giseke 1792
FAMILY COMMON: Aster Family
FAMILY SUMMARY: A family of about 1500-1700 genera and 20,000-25,000 species, shrubs, herbs, trees, and vines, cosmopolitan in distribution.
FAMILY REFERENCE: Cronquist (1980)=SE throughout family treatment.

NCBG DESCRIPTIVES

INTRO: Erect, rhizomatous and colonial perennial of dry woodlands, forest edges, road banks and powerline rights-of-way.
STEMS: Stem stiff, with long and ascending branches and 30+ nodes below the inflorescence, roughly to spreading-hairy.
LEAVES: Leaves alternate, sessile with heart-shaped and clasping base, spreading, lance-shaped to oblong or linear, 1/3-2 1/2 in. long (much reduced upward), rough-hairy; lower leaves shrivel early.
INFLORESCENCE:
FLOWERS: Composite flowers (heads) in a terminal panicle; heads 1-1 1/4 in. wide, consisting of 20-30 narrow, violet ray florets encircling a center disk of 25-35 yellow (becoming reddish-purple) tubular florets. 3-4 series of spreading or reflexed, spoon- to oblong-lance-shaped bracts surround the bell-shaped base of each head.
FRUITS: Fruit a tan-tufted achene.
COMMENTS:
HEIGHT: 2-3 ft.

DURATION: Perennial
HABIT: Herb

LEAF ARRANGEMENT: Alternate, Basal
LEAF COMPLEXITY: Simple
LEAF RETENTION:

FLORAL CHARACTERISTICS
SYMMETRY: Mixed
BLOOM TIME: Late Sept-Nov
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
x x x x

BLOOM COLOR: Purple
White Red Pink Orange Yellow Green Blue Lavender Purple Violet Brown Not Applicable
x x

FRUITING PERIOD:

DISTRIBUTION
HABITAT TYPE: Disturbed, Dry forests, Woods margins
NATIVE RANGE: VA, NC & SC

HORTICULTURAL
Plant Sale Text: This SE native perennial is one of the last asters to bloom in the fall. It bears many flower heads in panicles, with yellow central disc flowers surrounded by lavender-blue rays. Large-flower American-aster is a fine late-season nectar source for butterflies. This perennial can tolerate sunny lean sites once it is established. Large-flower American-aster is found at the edges of woods and in old fields of the piedmont and coastal plain. Its native range is from Virginia to South Carolina.

Bloom Table Text:

NCBG Location:

Cultural Notes:

SOIL MOISTURE: Dry, Average, Well-drained
LIGHT EXPOSURE: Sun, Part Shade, Shade
MINIMUM HARDINESS ZONE: 6
MAXIMUM HARDINESS ZONE: 9
GERMINATION CODE: 1
WILDLIFE VALUE: Bee Friendly, Butterfly Friendly
DEER RESISTANCE:

GRIM ACCESSIONS

acc_id acc_num acc_dt coll_id Action
231 2011-0059 2011-04-05 230 View
360 2011-0232 2011-11-04 364 View
2440 1986-2281 View
2692 1987-0161 View
4398 1992-0554 View
9070 2002-0080 0000-00-00 1669 View
9127 2006-0316 2006-10-11 1160 View


GRIM COLLECTIONS

Coll_id Project Collection date Collector Action
230 HORT 2009-12-01 Poythress View
364 HORT NCBG staff View
1160 HORT 2001-11-20 Bryan View
1388 HORT 2006-11-15 Bryan View
1669 HORT Bryan View
2113 NPMD 2020-11-02 Marzolf View
2340 NPMD 2019-11-08 Touloupas View
2371 NPMD 2019-12-03 Touloupas View
2373 NPMD 2019-12-03 Touloupas View
2374 NPMD 2019-12-03 Touloupas View
2375 NPMD 2019-12-03 Touloupas View


GRIM PLANTINGS

plt_num acc_id loc_num pers_num inst_dt Action
481 231 32 NCBG staff 2011-03-29 View
482 231 28 NCBG staff 2011-03-29 View
483 231 29 NCBG staff 2011-03-29 View
484 231 19 NCBG staff 2011-05-12 View
876 360 32 NCBG staff 2011-11-01 View
4147 2440 27 NCBG staff 1986-12-31 View
4148 2440 143 NCBG staff 1986-12-31 View
4498 2692 8 NCBG staff 1978-11-13 View
6726 4398 200 NCBG staff 1993-03-01 View
11169 9070 27 NCBG staff 2002-10-25 View
11890 9127 143 Liloia 2006-10-06 View
12176 231 28 Mixon 2012-03-28 View
12177 231 29 Mixon 2012-03-28 View

USDA PLANTS DATABASE

USDA Symbol: SYGR5
USDA Common Name: Largeflower Aster
Native Status: L48 (N)
Distribution: USA (NC, SC, VA)
Duration: Perennial
Growth Habit: Forb/herb

WEAKLEY FLORA

SCIENTIFIC NAME: Symphyotrichum grandiflorum
COMMON NAME: Big-headed Aster
SYNONYMY: [= FNA, K, Va, X; = Aster grandiflorus Linnaeus - C, F, G, RAB, S, SE, W; = Virgulus grandiflorus (Linnaeus) Reveal & Keener]
PHENOLOGY: Late Sep-Nov.
HABITAT: Dry woodlands, forest edges; roadbanks and powerline rights-of-way.
COMMENTS: E. and c. VA south through e. and c. NC to to nc. SC.
RANGE MAP: Symphyotrichum grandiflorum.png

Key to Map Symbols
ABOUT FAMILY (Weakley Flora)
Asteraceae Dumortier 1822 or COMPOSITAE Giseke 1792 (Aster Family)
SUMMARY: A family of about 1500-1700 genera and 20,000-25,000 species, shrubs, herbs, trees, and vines, cosmopolitan in distribution.
REFERENCE: Cronquist (1980)=SE throughout family treatment.
ABOUT GENUS (Weakley Flora)
Symphyotrichum Nees (Aster)
SUMMARY: A genus of about 90 species, of the Americas and e. Asia, most diverse in our area.
REFERENCE: Brouillet et al. FNA (2006b); Brouillet & Semple (1981); Cronquist (1980)=SE; Jones (1980a, 1980b, 1984); Jones & Young (1983); R. Jones (1983)=Z; R. Jones (1992); Lamboy (1987, 1992)=Y; Nesom (1994)=X; Nesom (2005b)=V; Nesom (1993a, 1993b, 1994, 1997); Campbell & Seymour (2014)=J; Noyes & Rieseberg (1999); Semple & Brouillet (1980a, 1980b); Semple, Chmielewski, & Lane (1989); Semple, Heard, & Xiang (1996); Sundberg (2004)=Q; Reveal & Keener (1981); Warners & Laughlin (1999); Xiang & Semple (1996). Key to subgenus Astropolium based on Nesom (2005b).

HERBARIUM RESOURCES

SERNEC: Find Symphyotrichum grandiflorum in Southeast Regional Network of Experts and Collections (if available)
UNC SERNEC: Find Symphyotrichum grandiflorum in University of North Carolina Chapel Hill Herbarium - Southeast Regional Network of Experts and Collections (if available)

WEB RESOURCES

USDA: Find Symphyotrichum grandiflorum in USDA Plants
NPIN: Find Symphyotrichum grandiflorum in NPIN Database
FNA: Find Symphyotrichum grandiflorum in the Flora of North America (if available)
Google: Search Google for Symphyotrichum grandiflorum

NCBG IMAGE RECORDS

ID IMAGE1: 17675
ID IMAGE2: 0
ID IMAGE3: 20621

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25 photo(s) available in the Image Gallery

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