Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Achillea millefolium
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Achillea millefolium var. millefolium
FAMILY
Asteraceae
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Achillea millefolium
SYNONYMOUS WITH Rapid adaptive divergence in New World Achillea (Ramsey et al., 2008)
Achillea millefolium
INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21 (2006)
Achillea millefolium
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Achillea millefolium var. millefolium
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-79-001?:
Achillea millefolium FAMILY Asteraceae
SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)
Achillea millefolium
COMMON NAME:
Yarrow, Thousandleaf
To see larger pictures, click or hover over the thumbnails.
)
USDA / Selected Weeds of the US. 1970 swus_page_363
)
Bruce A. Sorrie bas_achillea_millefolium2
May Moore County NC
Fresh leaves essentially flat, the linear segments arrayed in a plane, per Weakley's Flora (2015).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Achillea millefolium
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Achillea millefolium var. millefolium
FAMILY
Asteraceae
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Achillea millefolium
SYNONYMOUS WITH
Rapid adaptive divergence in New World Achillea (Ramsey et al., 2008)
Achillea millefolium
INCLUDED WITHIN
Flora of North America north of Mexico, vol. 19-20-21
Achillea millefolium
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Achillea millefolium var. millefolium
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-79-001?:
Achillea millefolium
FAMILY
Asteraceae
SYNONYMOUS WITH
Gray's Manual of Botany (Fernald, 1950)
Achillea millefolium
3599
Forb
Perennial
Habitat: Disturbed areas near ports, per Weakley's Flora
Non-native: Eurasia
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple: 2- or 3-pinnately dissected
Basal & alternate
FLOWER:
Spring/Summer/Fall
Rays: White (sometimes pink)
Disc: White
Inferior ovary
Flower heads in corymbiform arrays
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".