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
INCLUDING
Gray's Manual of Botany (Fernald, 1950)
Helianthus laetiflorus var. rigidus
INCLUDING
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.