Pontederiaceae

Pickerelweed

Pontederia cordata L.

Family: Pontederiaceae
Genus: Pontederia

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Pickerelweed (Pontederia cordata) — FlowerPhoto: Michelle W. （鍾偉瑋）, CC BY 4.0, from iNaturalist

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Common names

By language (13)

arz: بونتيديريا كورداتا
Cantonese: 梭魚草
Chinese: 梭魚草, 梭鱼草, 海寿花
Czech: Modráska srdčitá
Dutch: Moerashyacint, Moerashyacinth
English: Pickerelweed
French: Pontédérie à feuilles en cœur, Pontederie a feuilles en coeur, Pontederie a feuilles en cœur
German: Herzblättriges Hechtkraut, Pontederie
Icelandic: Hjartagoði
Japanese: ポンテデリア・コルダータ
Slovak: Pontedéria srdcovitá
Thai: ช่อครามน้ำ, ช่อครามน้ำใบยาว
Welsh: Picrelys

Synonyms

Eichhornia cordata Kunth
Narukila cordata Nieuwl.
Narukila cordata var. lancifolia Nieuwl.
Pontederia angustifolia Pursh
Pontederia cordata f. albiflora House
Pontederia cordata f. angustifolia (Pursh) Solms
Pontederia cordata f. bernardii Lepage
Pontederia cordata f. brasiliensis Solms
Pontederia cordata f. cordata
Pontederia cordata f. latifolia House
Pontederia cordata f. ovalis (Mart.) A.Cast.
Pontederia cordata f. taenia Fassett
Pontederia cordata var. albiflora Short
Pontederia cordata var. angustifolia (Pursh) Torr.
Pontederia cordata var. cordata
Pontederia cordata var. lanceolata (Nutt.) Griseb.
Pontederia cordata var. lancifolia (Muhl.) Morong
Pontederia cordata var. ovalis (Mart. ex Schult. & Schult.f.) Solms
Pontederia lanceolata Nutt.
Pontederia lanceolata f. brasiliensis (Solms) Fernald
Pontederia lanceolata f. trullifolia Fernald
Pontederia lanceolata var. vichadensis F.J.Herm.
Pontederia lancifolia Muhl. ex Elliott
Pontederia maculata Donn
Pontederia mucronata Raf. ex Torr.
Pontederia nymphaeifolia Kunth
Pontederia obtusifolia (Raf.) A.DC.
Pontederia rotundifolia var. nymphaeifolia (Kunth) Solms
Sagittaria cerulea Raf.
Umsema mucronata Raf.
Umsema obtusifolia Raf.
Unisema acutifolia Raf.
Unisema cordata (L.) Farw.
Unisema cordata f. angustifolia (Pursh) Farw.
Unisema cordata f. latifolia (Muhl.) Farw.
Unisema deltifolia Raf.
Unisema heterophylla Raf.
Unisema lancifolia Raf.
Unisema lancifolia f. trullifolia Farw.
Unisema latifolia Raf.

and 9 more.

Flowers

In flower: June to September (from 6,476 flowering iNaturalist observations worldwide)
Flower colour: blue (USDA PLANTS Database)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Canada: native, Lower 48 states: native

Photos

FlowerPhoto: Michelle W. （鍾偉瑋）, CC BY 4.0, from iNaturalist
FlowerPhoto: Michael J. Papay, CC BY 4.0, from iNaturalist
FlowerPhoto: Sandy Wolkenberg, CC BY 4.0, from iNaturalist
FlowerPhoto: Michael J. Papay, CC BY 4.0, from iNaturalist
Photo: Cephas, CC BY-SA 3.0, from Wikimedia Commons
Photo: RAP, CC BY 4.0, from iNaturalist
Photo: Michael Rivera, CC BY-SA 4.0, from Wikimedia Commons
Photo: Jackie Bowen, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Rick Broekhuizen, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Robert Kampf, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: ncb1221, CC BY 4.0, from iNaturalist
Photo: Robert Kampf, CC BY-SA 4.0, from Pl@ntNet via GBIF

More in Pontederia

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.