NameThatPlant.net: Limnophila sessiliflora

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.

image of Limnophila sessiliflora, Asian Marshweed

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

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

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!

"Our Great-Aunt Narcissa ... knew the names of all the wild flowers and she taught the names of them all to us — the small blue anemone that bloomed in ravines in February, the first of our blossoms and the purest blue, the flower of faith, of new hope; the bloodroot, the May apple, the wild yellow azalea, the corpse flower, the trailing arbutus, the purple gentian — the last blossoms of the autumn, struggling to perfection in the last minutes of existence." — Ben Robertson, Red Hills and Cotton

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".