Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Eupatorium semiserratum
FAMILY
Asteraceae__
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Olive Eupatorium at Vascular Plants of North Carolina.
Eupatorium semiserratum often has 3 leaves per node; most similar species rarely or never have whorled leaves, per Weakley's Flora (2023).
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eupatorium semiserratum
FAMILY
Asteraceae__
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Eupatorium semiserratum
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Eupatorium semiserratum
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Eupatorium semiserratum
SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Eupatorium semiserratum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-011:
Eupatorium semiserratum FAMILY Asteraceae__
SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)
Eupatorium cuneifolium var. semiserratum
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium semiserratum
COMMON NAME:
Threeleaf Eupatorium, Smallflower Thoroughwort, Olive Eupatorium
To see larger pictures, click or hover over the thumbnails.
Bruce A. Sorrie bas_e_semiserratum2
August Hoke County NC
Its olive-green color, coupled with its whorls of 3 leaves, set this apart, per Wildflowers of the Sandhills Region (Sorrie, 2011).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Eupatorium semiserratum
FAMILY
Asteraceae__
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eupatorium semiserratum
FAMILY
Asteraceae__
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Eupatorium semiserratum
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Eupatorium semiserratum
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Eupatorium semiserratum
SYNONYMOUS WITH
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Eupatorium semiserratum
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-011:
Eupatorium semiserratum
FAMILY
Asteraceae__
SYNONYMOUS WITH
Gray's Manual of Botany (Fernald, 1950)
Eupatorium cuneifolium var. semiserratum
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium semiserratum
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