Dig deeper at SERNEC, a consortium of southeastern herbaria.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Helianthus pauciflorus ssp. pauciflorus
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus pauciflorus ssp. pauciflorus
FAMILY
Asteraceae
GREATER THAN
Gray's Manual of Botany (Fernald, 1950)
Helianthus laetiflorus var. rigidus
GREATER THAN
Manual of the Southeastern Flora (Small, 1933)
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.
)
Richard and Teresa Ware rtw_h_pauciflorus_7
August
A perennial sunflower with leafy stems and red disk flowers, per Weakley's Flora.