Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Helianthus pauciflorus ssp. pauciflorus
FAMILY
Asteraceae
NEW! Click to go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus pauciflorus ssp. pauciflorus
FAMILY
Asteraceae
INCLUDING
Gray's Manual of Botany (Fernald, 1950)
Helianthus laetiflorus var. rigidus
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus rigidus
COMMON NAME:
Stiff Sunflower
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)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_helar_001_lvd
)
Richard and Teresa Ware rtw_h_pauciflorus_4
August
Lvs usually lanceolate to lance-ovate or rhombic-ovate, petiole usually <1cm, per Weakley's Flora (2012).
)
Richard and Teresa Ware rtw_h_pauciflorus_7
August
A perennial sunflower with leafy stems and red disk flowers, per Weakley's Flora (2012).
WEAKLEY'S FLORA (11/30/12):
Helianthus pauciflorus ssp. pauciflorus
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus pauciflorus ssp. pauciflorus
FAMILY
Asteraceae
INCLUDING
Gray's Manual of Botany (Fernald, 1950)
Helianthus laetiflorus var. rigidus
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus rigidus
3639
Forb
Perennial
Native: north & west of the Carolinas & Georgia
Documented growing wild in GA - -
Rare
Habitat: Prairies, disturbed areas, per Weakley's Flora
NEW! Click here to see a range map (and maybe identification notes) 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
Basal & opposite, or upper alternate
FLOWER:
Summer/Fall
Rays: Yellow
Disc: Reddish
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!