| Family |
Pontederiaceae |
| Scientific name |
Eichhornia crassipes (Martius) Solms-Laubach |
| Synonyms |
Eichhornia speciosa Kunth; Piaropus crassipes (Martius) Rafinesque; Pontederia
crassipes Martius |
| Common name |
(Japanese common name) hotei-aoi (ホテイアオイ, 布袋葵 [meaning: Hotei hollyhock
(Hotei = one of the Seven Gods of Good Luck in China)]) |
| (English common name) water-hyacinth, common water hyacinth |
| Distribution |
(Japan) Honshu, Shikoku, Kyushu, Okinawa |
| (Other nations) [native] French Guiana, Guyana, Suriname, Brazil, Venezuela |
| Habitat |
Pond, lake, river |
| Chromosomal number |
2n=32 |
| Description |
Leaves 5-20cm long, 5-18cm wide. Scapes 15-30cm tall. Flowers blue purple
ca. 3-5cm across, flowering in June to October. Perennial plants. |
| Reference |
Eichhornia crassipes (Mart.) Solms |
| Eichhornia crassipes (Martius) Solms |
| Method and compositions for controlling waterhyacinth (US Patent 4097261/1978) |
| Synergistic herbicidal compositions comprising colletotrichum truncatum and chemical herbicides (US Patent 4775405/1988) |
| Method for the manufacture of fodder and/or soil improving agents from waste material (US Patent 5198252/1993) |
| Water craft for reducing aquatic plant infestation (US Patent 5542240/1996) |
| Vascular plant aquaculture and bioremediation system and method (US Patent 5811007/1998) |
| Use of DHEA derivatives on keratinous substances (US Patent 6964954/2005) |
| 7-Oxo-DHEA compounds for treating keratinous conditions/afflictions (US Patent 6846812/2005) |
| Heterocyclic derivatives of 2-oxothiazolidine-4-carboxylic acid, and use as active photoprotective agents (US Patent 7022317/2006) |
| Cosmetic and cosmeceutical compositions for restoration of skin barrier function (US Patent 7300649/2007) |
| Integrated system and method for purifying water, producing pulp and paper, and improving soil quality (US Patent 7267773/2007) |
| Note |
Naturalized plants. |