Water spinach

Water Spinach
genus	Ipomoea
subfamilia	{{{subfamilia}}}
species	I. aquatica

Water spinach (Ipomoea aquatica) is a semi-aquatic, tropical plant grown as a vegetable for its tender shoots and leaves. It is known by many other names including kangkong in Southeast Asia, ong choy in China, and river spinach. Water spinach is a member of the morning glory family (Convolvulaceae) with its growth predominantly in water or moist soils.

Description

Water spinach is a fast-growing vine that flourishes in water and moist environments. It has hollow, thin stems and lance-shaped or arrowhead-shaped leaves. The plant can grow both floating on water surfaces or rooted in muddy stream banks. It produces white or pale violet flowers similar to those of other morning glory species.

Cultivation

Cultivation of water spinach is most common in tropical and subtropical regions where it can be grown year-round. The plant prefers full sunlight but can tolerate partial shade. It is highly adaptable but thrives best in moist, nutrient-rich soils. Water spinach is often grown in water gardens or ponds where it can spread freely.

Culinary Uses

Water spinach is widely used in Asian cuisine, particularly in Southeast Asia and China. The leaves and stems are typically stir-fried with garlic, chili, or fermented bean paste. It is also commonly used in soups and hot pots. Due to its mild flavor and crunchy texture, it is a popular ingredient in many dishes.

Nutritional Value

Water spinach is rich in vitamins such as vitamin A, vitamin C, and vitamin B2 (riboflavin). It also contains significant amounts of minerals like iron, calcium, and phosphorus. Its high water content makes it a low-calorie vegetable, suitable for weight-conscious diets.

Regulatory Issues

In some regions, such as the United States, water spinach is regulated as an invasive species. Its rapid growth and ability to spread quickly can lead to dominance in waterways, potentially displacing native plants and altering aquatic habitats.

See Also

• Leaf vegetable
• Aquatic plant
• Invasive species