Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Erigeron bonariensis
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
This resembles Common Horseweed (E. canadensis). Differences are discussed at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Conyza bonariensis
FAMILY
Asteraceae
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Conyza bonariensis
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-44-007:
Erigeron bonariensis FAMILY Asteraceae
SYNONYMOUS WITH (MISAPPLIED) Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Conyza floribunda
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Leptilon bonariense
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Leptilon linifolium
COMMON NAME:
South American Horseweed, Hairy Fleabane
NameThatPlant has no pictures at this time. You might try this link: Flora of the Southeastern United States
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Erigeron bonariensis
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Conyza bonariensis
FAMILY
Asteraceae
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Conyza bonariensis
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-44-007:
Erigeron bonariensis
FAMILY
Asteraceae
SYNONYMOUS WITH (MISAPPLIED)
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Conyza floribunda
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Leptilon bonariense
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Leptilon linifolium
4368
Forb
Winter annual/Biennial
Habitat: Fields, disturbed areas, per Weakley's Flora
Non-native: South America, apparently
Uncommon (rare in NC Mountains & NC Piedmont)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Alternate (basal leaves usually absent or withered at flowering)
Leaves sessile
FLOWER:
Spring/Summer/Fall
Disc: Yellow or yellowish
Rays: Absent? very tiny (less than 0.3mm)?
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate & fertile
Inflorescence a panicle
FRUIT:
Spring/Summer/Fall
Achene
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".