Contains 3 accepted taxa overall.
Characteristics
Classification
Citation
EICHHORNIA Kunth, Enum. Pl. 4: 129. 1843, nom. cons. vs. Piaropus Rafinesque 1837.
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TYPE: Eichhornia azurea (Swartz) Kunth, typ. cons. (Pontederia azurea Swartz)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Eichhornia azurea | ROOTED WATER-HYACINTH | Not Native OBL (NWPL) | ||
| Eichhornia crassipes | COMMON WATER-HYACINTH | Not Native OBL (NWPL) Y | ||
| Eichhornia paniculata | BRAZILIAN WATER-HYACINTH | Not Native OBL (NWPL) |
[Family identification key]
1. Stems erect, not stoloniferous; leaf blade base cordate; inflorescence paniculate (Pontederia subg. Cabanisia)
1. Stems trailing, often stoloniferous; leaf blade base rounded to truncate; inflorescence spicate
2
2. Plants typically rooted in mud; sessile leaves alternate on elongate stem; inflated petioles absent; perianth limb lobe margins erose (Pontederia subg. Eichhornia)
2. Plants typically free-floating or stranded; sessile leaves produced in rosette; petioles commonly inflated; perianth limb lobe margins entire (Pontederia subg. Oshunae)
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Cabanisia | Cabanisia Klotzsch ex Schlechtendal, Abh. Naturf. Ges. Halle 6: 176. 1862. | TYPE: Cabanisia martiana Schlechtendal, nom. illegit. (Pontederia paradoxa Martius) | |
| Leptosomus | Leptosomus Schlechtendal, Abh. Naturf. Ges. Halle 6: 174. 1862. | TYPE: Leptosomus natans (Palisot de Beauvois) Schlechtendal (Pontederia natans Palisot de Beauvois) | |
| Piaropus | Piaropus Rafinesque, Fl. Tellur. 2: 81. 1837 ("1836"), nom. rej. vs. Eichhornia Kunth 1843. | TYPE: = Eichhornia Kunth 1842. |