Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Ericales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Steironema lanceolatum
FAMILY
Primulaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Lanceleaf Loosestrife at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Lysimachia lanceolata
FAMILY
Primulaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Lysimachia lanceolata
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 8 (2009)
Lysimachia lanceolata
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Lysimachia lanceolata
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 147-02-003a:
Lysimachia lanceolata var. lanceolata FAMILY Primulaceae
SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Steironema lanceolatum
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Steironema heterophyllum
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Steironema lanceolatum
COMMON NAME:
Lanceleaf Loosestrife
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_stla13_001_lvd
)
JK Marlow jkm090613_001
June Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm090613_005
June Greenville County SC
Ashmore Heritage Preserve
Leaves mostly sessile, often folded along midrib. Flowers somewhat nodding, per Wildflowers of Tennessee (Carman, 2005).
)
JK Marlow jkm090613_008
June Greenville County SC
Ashmore Heritage Preserve
Corolla lobes have finely-toothed margins & a pointed tip, per Wildflowers of Tennessee (Carman, 2005).
)
JK Marlow jkm120623_081
June Greenville County SC
Ashmore Heritage Preserve
Leaves tapered at both ends, without a differentiated petiole, per Wildflowers of the Southern Mountains (Smith, 1998).
)
JK Marlow jkm120623_082
June Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm180607_2791
June Greenville County SC
Leaves densely short-ciliate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm180607_2792
June Greenville County SC
)
JK Marlow jkm180607_2797
June Greenville County SC
)
JK Marlow jkm200623_5976
June Greenville County SC
)
JK Marlow jkm200623_5978
June Greenville County SC
)
JK Marlow jkm200623_5980
June Greenville County SC
)
JK Marlow s090613_cd
June Greenville County SC
Ashmore Heritage Preserve
Leaves to 6" long & 0.6" wide, linear to lanceolate or narrowly oblong, per Wildflowers of Tennessee (Carman, 2005).
)
JK Marlow jkm0307f_08
July Transylvania County NC
DuPont State Forest
Long-stalked yellow flowers are somewhat nodding and 0.4-0.8" [10-20mm] wide, per Wildflowers of Tennessee (Carman, 2005).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Steironema lanceolatum
FAMILY
Primulaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Lysimachia lanceolata
FAMILY
Primulaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Lysimachia lanceolata
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 8
Lysimachia lanceolata
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Lysimachia lanceolata
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 147-02-003a:
Lysimachia lanceolata var. lanceolata
FAMILY
Primulaceae
SYNONYMOUS WITH
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Steironema lanceolatum
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Steironema heterophyllum
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Steironema lanceolatum
889
Forb
Perennial
Habitat: Mesic to relatively dry forests, mafic and calcareous fens, bogs, forest edges, roadbanks, primarily on circumneutral soils, per Weakley's Flora
Native to the Carolinas & Georgia
Common in GA Mountains (rare in Coastal Plain) (uncommon elsewhere in GA-NC-SC)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Opposite
FLOWER:
Spring/Summer
Yellow
Radially symmetrical
5-lobed calyx
5-lobed rotate corolla
5 stamens & 5 staminodia, united into a very short tube
Superior ovary
Flowers solitary in leaf axils
FRUIT:
Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p456
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p254
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p062
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p298
- Wildflowers of Tennessee (Carman, 2005) p105
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p134
- Wildflowers of the Southern Mountains (Smith, 1998) p121
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