Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Hairy Sunflower at Vascular Plants of North Carolina.
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Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Helianthus hirsutus
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus hirsutus
FAMILY
Asteraceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-012:
Helianthus hirsutus
FAMILY
Asteraceae
COMMON NAME:
Hairy Sunflower, Rough Sunflower
To see a detailed map, click here
Look for it in woodlands & other sunny or semi-sunny habitats, per Weakley's Flora
Forb
Perennial
Native to the Carolinas & Georgia
Documented growing wild in
GA
NC
SC
Common (uncommon in Coastal Plain, uncommon in NC)
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
Achene
TO LEARN MORE about this plant, look it up in a good book!
Helianthus hirsutus FAMILY Asteraceae
Hairy Sunflower, Rough Sunflower
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Hairy Sunflower at Vascular Plants of North Carolina.
Click the thumbnails to see larger pictures.
JK Marlow jkm140711_766
July Greenville County SC
Swamp Rabbit Trail
Leaves similar to H. divaricatus, but rough on upper surface, short-petioled, per Wildflowers of the Southern Mountains.
JK Marlow jkm140711_768b
July Greenville County SC
Swamp Rabbit Trail
Stem hirsute. Phyllaries lanceolate, usually loose, spreading, not reflexed, per Flora of North America.
COMPARE
involucral bracts of Sunflowers
Richard and Teresa Ware rtw_h_hirsutus_hairy_7
July
Leaves with 3 primary veins from the base, coarsely hairy on both sides, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Richard and Teresa Ware rtw_h_hirsutus_hairy_s
July
Ray florets 10-15. Disc florets' lobes yellow; anthers dark brown or black, per Flora of North America.
JK Marlow jkm090808_011
August Floyd County GA
Leaves truncate to broadly rounded at base, shortly but distinctly petiolate, per Weakley's Flora.
COMPARE
leaves of Hairy Sunflower and Woodland Sunflower
JK Marlow jkm140804_367
August Greenville County SC
Swamp Rabbit Trail
Leaves thick, scabrous above, pubescent at least on the veins beneath, per Vascular Flora of the Carolinas.
JK Marlow jkm140822_923
August Greenville County SC
Swamp Rabbit Trail
Leaves triplinerved, with a prominent lateral pair of veins near the base, per Weakley's Flora (2012).