Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus microcephalus
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Small Wood Sunflower at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus microcephalus
FAMILY
Asteraceae
SYNONYMOUS WITH
Flora of North America
Helianthus microcephalus
INCLUDED WITHIN
Vascular Flora of the Southeastern States (Cronquist 1980, Isely 1990)
Helianthus microcephalus
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-015:
Helianthus microcephalus
FAMILY
Asteraceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus microcephalus
COMMON NAME:
Small Wood Sunflower, Small-headed Sunflower
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hemi3_001_lvd
)
JK Marlow jkm200531_5451
May Greenville County SC
Roadside
)
JK Marlow jkm120812_376
August Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm120812_380
August Greenville County SC
Ashmore Heritage Preserve
Involucres 0.7-1cm long, bracts lanceolate, usually spreading apically, per Vascular Flora of the Carolinas.
COMPARE
involucral bracts of Sunflowers
)
JK Marlow jkm120812_380b
August Greenville County SC
Ashmore Heritage Preserve
Helianthus disc flowers have styles that are bifurcate [two-forked], per www.missouriplants.com
)
JK Marlow jkm120812_383
August Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm120812_389
August Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm120814_557
August Greenville County SC
Leaves pubescent beneath, at least on the midrib, per Vascular Flora of the Carolinas.
)
JK Marlow jkm120814_558
August Greenville County SC
Leaves mostly scabrous above, resin-dotted, abruptly narrowed to a petiole, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
)
JK Marlow jkm130824_639
August Greenville County SC
Ashmore Heritage Preserve
Involucre body 6-13mm broad, per Vascular Flora of the Carolinas.
)
JK Marlow jkm130824_646
August Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm130824_649
August Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm130824_651
August Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm130824_654
August Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm0409b_35b
September Greenville County SC
Roadside
Heads small, with 5-8 ray flowers, numerous, on long slender stalks, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
)
JK Marlow jkm180906_4600
September Greenville County SC
)
JK Marlow jkm200907_7107
September Greenville County SC
)
JK Marlow s040901_a
September Greenville County SC
Roadside
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus microcephalus
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus microcephalus
FAMILY
Asteraceae
SYNONYMOUS WITH
Flora of North America
Helianthus microcephalus
INCLUDED WITHIN
Vascular Flora of the Southeastern States (Cronquist 1980, Isely 1990)
Helianthus microcephalus
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-015:
Helianthus microcephalus
FAMILY
Asteraceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus microcephalus
650
Forb
Perennial
Native to the Carolinas & Georgia
Common (uncommon in GA Coastal Plain, rare in NC-SC Coastal Plain)
Habitat: Dry woodlands and roadbanks, per Weakley's Flora
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
Opposite
FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile
Inferior ovary
FRUIT:
Summer/Fall
Brown/Blackish
Achene
TO LEARN MORE about this plant, look it up in a good book!
- All About South Carolina Wildflowers p172
- Gardening with the Native Plants of Tennessee p135
- Newcomb's Wildflower Guide p390
- Field Guide to the Rare Plants of Georgia p157
- Wildflowers of the Atlantic Southeast p299
- Wildflowers of Tennessee p303
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p353
- Wildflowers of the Southern Mountains p192