Dig deeper at SERNEC, a consortium of southeastern herbaria.
Similar to Common Horseweed but with a purplish tip to each flowerhead bract, and much less hairy. Read more at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (2/8/20):
Erigeron pusillus
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Conyza canadensis var. pusilla
FAMILY
Asteraceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-44-008b:
Erigeron canadensis var. pusillus
FAMILY
Asteraceae
SYNONYMOUS WITH
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Conyza canadensis var. pusilla
SYNONYMOUS WITH
Gray's Manual of Botany (Fernald, 1950)
Erigeron pusillus
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933)
Leptilon pusillum
COMMON NAME:
Southern Horseweed
Click or hover over the thumbnails to see larger pictures.
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JK Marlow jkm190604_8928
June Greenville County SC
Note the cilia at leaf bases.
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JK Marlow jkm150822_822
August Pickens County SC
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JK Marlow jkm150822_824
August Pickens County SC
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JK Marlow jkm150822_869
August Pickens County SC
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JK Marlow jkm150822_869b
August Pickens County SC
Stem glabrous or widely scattered appressed hairs; lvs w a few cilia near base, per Weakley's Flora.
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JK Marlow jkm150912_161
September Pickens County SC
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JK Marlow jkm150912_163
September Pickens County SC
The involucre is 1/8" high, and the whitish rays are narrow, short and erect, per Wildflowers of the Southern Mountains.
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JK Marlow jkm150912_169
September Pickens County SC
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JK Marlow jkm150912_169b
September Pickens County SC
Phyllaries purple-tipped, per Weakley's Flora (2015).
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Terry Holdsclaw tdh_c_canadensis_pusil_37
September Lincoln County NC
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Terry Holdsclaw tdh_c_canadensis_pusil_1
October Iredell County NC
The inflorescence is a large open panicle bearing a great many small heads, per Wildflowers of the Southern Mountains.
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Terry Holdsclaw tdh_c_canadensis_pusil_41
October Iredell County NC