Pontederia

Contains 1 accepted taxa overall.

Characteristics
Pontederia L.
PONTEDERIACEAE
PICKERELWEED
View USF Herbarium specimens of this family
Classification
COMMELINALES
Pontederia
Citation
PONTEDERIA Linnaeus, Sp. Pl. 288. 1753.
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TYPE: Pontederia cordata Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 462. 1913.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Pontederia cordata PICKERELWEED Native OBL (NWPL) OBL (DEP)
Identification Key
1.  Leaf blade 1.4-4.5 times longer than wide, diaphanous when backlit, the upper side smooth to scabrous, the underside microscopically smooth (or with sparse or irregular faint pits); inflorescence bract (3)4.5-7 cm long; floral tube glabrate to pubescent at maturity
P. cordata var. cordata
1.  Leaf blade 2.5-10 times longer than wide, opaque when backlit, the upperside smooth, the underside microscopically evenly pitted (best seen with diffuse light); inflorescence bract 2-3.5 cm long; floral tube pubescence persistent
P. cordata var. lanceolata
Genus Synonyms
Synonym Full Citation Basionym Type
Narukila Narukila Adanson, Fam. Pl. 2: 54, 581. 1763. TYPE: = Pontederia Linnaeus 1753
Unisema Unisema Rafinesque, Med. Repos. 5: 352. 1808, as 'Umsema'; corr. Rafinesque, Med. Fl. 2: 105. 1830. TYPE: Pontederia cordata Linnaeus = Pontederia Linnaeus 1753.