Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Limnophila sessiliflora
FAMILY
Plantaginaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Aquatic weeds can clog irrigation channels and cover lakes, threatening crops and wildlife. Read more -- Outlawed! Federal Noxious Weeds: The Aquatics.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Limnophila sessiliflora
FAMILY
Scrophulariaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Limnophila sessiliflora
SYNONYMOUS WITH Flora of North America
Limnophila sessiliflora
COMMON NAME:
Asian Marshweed
To see larger pictures, click or hover over the thumbnails.
)
Julia Scher, Federal Noxious Weeds Disseminules, USDA APHIS ITP, Bugwood.org bug_5376505
Month Unknown
)
Julia Scher, Federal Noxious Weeds Disseminules, USDA APHIS ITP, Bugwood.org bug_5376507
Month Unknown
)
M. Grodowitz, Bugwood.org bug_5431111
Month Unknown
Aerial leaf blades elliptic-lanceolate, glabrous, margin crenate to lobed, per Flora of China.
COMPARE
aquatic plants
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Limnophila sessiliflora
FAMILY
Plantaginaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Limnophila sessiliflora
FAMILY
Scrophulariaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Limnophila sessiliflora
SYNONYMOUS WITH
Flora of North America
Limnophila sessiliflora
2941
Emergent aquatic that also has submerged leaves (rooted); Forb
Annual/Perennial
Habitat: Ponds, ditches, lakes, per Weakley's Flora
Non-native: Old World tropics
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
This plant is causing problems in natural areas outside its native range, according to authorities such as:
- Georgia Exotic Pest Plant Council, 2006
- SC Department of Natural Resources Aquatic Nuisance Species List, 2003
- SC List of Regulated Pest Plant Species, 2017
- USDA Federal Noxious Weeds, 091820
LEAVES:
Submerged leaves multiparted; aerial leaves simple
Aerial leaves whorled
FLOWER:
Winter/Spring/Summer/Fall
Lavender to violet
2-lipped 4-5 lobed tubular or funnelform corolla
4 included stamens
Superior ovary
Bisexual
Flowers solitary in leaf axils
FRUIT:
Winter/Spring/Summer/Fall
Dark brown
Capsule
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".