Crinum thaianum

Crinum thaianum
Scientific classification
Kingdom:	Plantae
clade:	Angiosperms
clade:	Monocots
Order:	Asparagales
Family:	Amaryllidaceae
Subfamily:	Amaryllidoideae
Genus:	Crinum
Species:	C. thaianum
Binomial name
Crinum thaianum Schulze (1971)

Common name

Onion plant; Water onion

Distribution

South Thailand

In Thailand the bulb is used in a cream used to soften the skin.

Description

Long, up to 60 inches (150 cm) (or longer), tough, ribbonlike bright green leaves grow from a bulb that looks much like an onion. White 'lily-like; flowers may form on a long stalk.

There are a number of varieties and forms available. A dwarf plant sold under this species name as Dwarf Onion Plant has yet to be determined.

Cultivation

It requires water temperatures of 72-86 degrees F (22-30 degrees C) and is popular with aquarists because it is easy to keep, tolerant of temperature swings and lighting variations, and because its leaves are tough enough to withstand the attention of herbivorous fish. Propagation is from daughter bulbs. It likes a rich substrate and additional CO₂ encourages growth with space to spread and grow. It does well in a warm outside pond

References

• Hiscock, Peter (2003). Encyclopedia of Aquarium Plants. United States and Canada: Interpret Publishing. ISBN 0-7641-5521-0. 

External links

• Tropica
• Onion Plant
• Success with Onion Plants