Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus pauciflorus ssp. pauciflorus
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus pauciflorus ssp. pauciflorus
FAMILY
Asteraceae
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Helianthus pauciflorus ssp. pauciflorus
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
To see larger pictures, click or hover over the thumbnails.
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 OF THE SOUTHEASTERN US (4/24/22):
Helianthus pauciflorus ssp. pauciflorus
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus pauciflorus ssp. pauciflorus
FAMILY
Asteraceae
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Helianthus pauciflorus ssp. pauciflorus
INCLUDING
Gray's Manual of Botany (Fernald, 1950)
Helianthus laetiflorus var. rigidus
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus rigidus
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