Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus occidentalis ssp. occidentalis
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Helianthus at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus occidentalis ssp. occidentalis
FAMILY
Asteraceae
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Helianthus occidentalis ssp. occidentalis
INCLUDING Vascular Flora of the Southeastern States (Cronquist 1980, Isely 1990)
Helianthus occidentalis var. dowellianus
INCLUDING Flora of West Virginia (Strausbaugh & Core, 1978)
Helianthus dowellianus
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-007:
Helianthus occidentalis FAMILY Asteraceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus occidentalis
COMMON NAME:
Naked-stem Sunflower, Fewleaf Sunflower, Western Sunflower
To see larger pictures, click or hover over the thumbnails.
)
Richard and Teresa Ware rtw_h_occidentalis_occi_2
August
Flower heads 2-3" across, terminating stem & branches, with 10-15 rays, per Wildflowers of Tennessee (Carman, 2005).
)
Richard and Teresa Ware rtw_h_occidentalis_occi_4
August
Leaves basally disposed and long-stalked, the almost entire blades 3-6" long, per Wildflowers of Tennessee (Carman, 2005).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus occidentalis ssp. occidentalis
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus occidentalis ssp. occidentalis
FAMILY
Asteraceae
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Helianthus occidentalis ssp. occidentalis
INCLUDING
Vascular Flora of the Southeastern States (Cronquist 1980, Isely 1990)
Helianthus occidentalis var. dowellianus
INCLUDING
Flora of West Virginia (Strausbaugh & Core, 1978)
Helianthus dowellianus
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-007:
Helianthus occidentalis
FAMILY
Asteraceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus occidentalis
3389
Forb
Perennial
Habitat: Rocky or sandy flood-scoured riversides, dry hammocks (in FL), per Weakley's Flora
Native to the Carolinas & Georgia
Rare (extirpated from NC Mountains)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Opposite (basal rosette often absent or withered at flowering)
FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile
FRUIT:
Achene
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p123
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p087
- Wildflowers of Tennessee (Carman, 2005) p305
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p354
- Wildflowers of the Southern Mountains (Smith, 1998) p191
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
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