Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Eurybia avita
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Test-drive A Teaching Key to Asters.
Read more about Alexander's Rock Aster at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eurybia avita
FAMILY
Asteraceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Eurybia avita
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Eurybia avita
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Eurybia avita
SYNONYMOUS WITH Vascular Flora of the Southeastern States (Cronquist 1980, Isely 1990)
Aster avitus
COMMON NAME:
Alexander's Rock Aster
To see larger pictures, click or hover over the thumbnails.
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Patrick D. McMillan pdmeavita_boggs1
August-September? Pickens County SC
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Patrick D. McMillan pdmeavita_boggs10
August-September? Pickens County SC
)
Patrick D. McMillan pdmeavita_boggs2
August-September? Pickens County SC
Inflorescence corymbiform, ray florets 8-15(-25), per Weakley's Flora (2022).
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Patrick D. McMillan pdmeavita_boggs3
August-September? Pickens County SC
)
Patrick D. McMillan pdmeavita_boggs4
August-September? Pickens County SC
)
Patrick D. McMillan pdmeavita_boggs5
August-September? Pickens County SC
)
Patrick D. McMillan pdmeavita_boggs7
August-September? Pickens County SC
)
Patrick D. McMillan pdmeavita_br2good
August-September?
)
JK Marlow jkm221010_0305
October Pickens County SC
Phyllaries in 4-5 series, unequal, apices appressed or reflexed; outer apical zones dark green, per Flora of North America.
COMPARE
involucral bracts of North American asters
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JK Marlow jkm221010_0309
October Pickens County SC
Ray florets 8-20, 5-10mm × 1-1.7mm. Corolla lobes of disc florets erect, triangular, per Flora of North America.
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JK Marlow jkm221010_0310
October Pickens County SC
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JK Marlow jkm221010_0313
October Pickens County SC
)
JK Marlow jkm221010_0319
October Pickens County SC
Leaf blades (1-nerved) linear to lance-linear or oblong-linear (grasslike), per Flora of North America.
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JK Marlow jkm221010_0320
October Pickens County SC
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Eurybia avita
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eurybia avita
FAMILY
Asteraceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Eurybia avita
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Eurybia avita
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Eurybia avita
SYNONYMOUS WITH
Vascular Flora of the Southeastern States (Cronquist 1980, Isely 1990)
Aster avitus
2469
Forb
Perennial
Habitat: In shallow soils on granitic flatrocks and granitic domes where moist from seasonal seepage, per Weakley's Flora
Native to South Carolina & Georgia
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
LEAVES:
Simple
Alternate (basal leaves often absent or withered at flowering)
FLOWER:
Summer/Fall
Rays: Bluish-white to deep violet
Disc: Yellow
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate & fertile
Flower heads in flat corymbs
FRUIT:
Summer/Fall
Achene
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p204
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p094
- Guide to the Plants of Granite Outcrops (Murdy & Carter, 2000) p81
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