Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/13/22):
Parthenium auriculatum
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Parthenium auriculatum's stem leaves stem leaves are sessile and their bases usually clasp the stem (i.e, auriculate). Read more about at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Parthenium auriculatum
FAMILY
Asteraceae
INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21 (2006)
Parthenium integrifolium
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-57-001b:
Parthenium integrifolium var. auriculatum FAMILY Asteraceae
SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)
Parthenium hispidum var. auriculatum
INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Parthenium integrifolium
COMMON NAME:
Glade Wild Quinine
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_paau7_001_lvd
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Alan S. Weakley asw_206245572231444
May Granville County NC
Stem leaves all auriculate-clasping: upper sessile, lower w winged petioles expanded at the base, per Weakley's Flora (2023).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/13/22):
Parthenium auriculatum
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Parthenium auriculatum
FAMILY
Asteraceae
INCLUDED WITHIN
Flora of North America north of Mexico, vol. 19-20-21
Parthenium integrifolium
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-57-001b:
Parthenium integrifolium var. auriculatum
FAMILY
Asteraceae
SYNONYMOUS WITH
Gray's Manual of Botany (Fernald, 1950)
Parthenium hispidum var. auriculatum
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Parthenium integrifolium
4505
Forb
Perennial
Habitat: In shallow, xeric, circumneutral soil of glades, barrens, and woodlands, over calcareous rocks (such as dolostone) or mafic rocks (such as diabase), per Weakley's Flora
Native to North Carolina & Georgia
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Basal & alternate
FLOWER:
Spring/Summer
Rays: White, Cream
Disc: White, Cream
Inferior ovary
Disc flowers functionally staminate/ Ray flowers pistillate & fertile
Flower heads borne in corymbiform to paniculiform arrays
FRUIT:
Spring/Summer
Blackish
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".