Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Commelinales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eichhornia azurea
FAMILY
Pontederiaceae
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.
PLANTS NATIONAL DATABASE:
Eichhornia azurea
FAMILY
Pontederiaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Eichhornia azurea
SYNONYMOUS WITH Flora of North America
Eichhornia azurea
SYNONYMOUS WITH Total evidence phylogeny of Pontederiaceae (Commelinales) ... (Pellegrini, et al., 2018)
Pontederia azurea
COMMON NAME:
Rooted Water-hyacinth, anchored water-hyacinth
NameThatPlant has no pictures at this time. You might try this link: Flora of the Southeastern United States
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eichhornia azurea
FAMILY
Pontederiaceae
PLANTS NATIONAL DATABASE:
Eichhornia azurea
FAMILY
Pontederiaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Eichhornia azurea
SYNONYMOUS WITH
Flora of North America
Eichhornia azurea
SYNONYMOUS WITH
Total evidence phylogeny of Pontederiaceae (Commelinales) ... (Pellegrini, et al., 2018)
Pontederia azurea
4395
Emergent aquatic (rooted); Forb
Perennial
Habitat: Ditches, rivers, per Weakley's Flora
Non-native: southern Mexico to South America, and West Indies
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
This plant is causing problems in natural areas outside its native range, according to authorities such as:
- SC Department of Natural Resources Aquatic Nuisance Species List, 2003
- SC List of Regulated Pest Plant Species, 2017
- USDA Federal Noxious Weeds, 091820
LEAVES:
Simple
Alternate
FLOWER:
Summer/Fall
Perianth funnelform, 4 petaloid perianth segments, in two whorls
6 stamens (3 long, 3 short)
Superior ovary
Bisexual
Inflorescence a spike
FRUIT:
Summer/Fall
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".
Or try alternate spellings: If "wooly" doesn't work, try "woolly" or just "wool".