Hydrocharis

Description

Hydrocharis is a genus of aquatic plants in the family Hydrocharitaceae. It consists of only one species, Hydrocharis morsus-ranae, commonly known as Frogbit. It is native to Europe, Asia, and North Africa and is now widely cultivated in many parts of the world for its ornamental value.

Taxonomic Information

Domain	Eukaryota
Kingdom	Plantae
Phylum	Angiosperms
Class	Monocots
Order	Alismatales
Family	Hydrocharitaceae
Genus	Hydrocharis

Appearance

Hydrocharis has floating leaves that are circular to oval in shape and can grow up to 3 cm in diameter. The leaves have a smooth surface and are bright green in color. The plant produces small, white, three-petaled flowers that bloom from June to August. The flowers are held above the water surface by short stems and have a sweet fragrance. The plant can reach a height of up to 10 cm and can spread up to 50 cm.

Care Guide

Hydrocharis is a low-maintenance plant that is easy to care for. It prefers to grow in still or slow-moving water and can tolerate a wide range of water temperatures. Here are some tips for caring for Hydrocharis:

• Water: Hydrocharis prefers to grow in water that is at least 20 cm deep. Change the water frequently to prevent the growth of algae and other harmful microorganisms.
• Fertilization: Use a slow-release fertilizer to provide nutrients to the plant. Avoid over-fertilizing as it can lead to the growth of algae and other harmful microorganisms.
• Soil: Hydrocharis does not require soil as it obtains all its nutrients from the water.
• Sunlight: The plant prefers to grow in full sunlight but can tolerate partial shade.
• Hardiness Zones: Hydrocharis can grow in USDA hardiness zones 6 to 10.

Common Pests & Diseases

Hydrocharis is generally pest and disease-free. However, it can be susceptible to root rot if the water is stagnant or if the plant is overwatered. To prevent root rot, change the water frequently and avoid overwatering. Also, avoid using pesticides or other chemicals in the water as they can harm the plant and other aquatic life.

Habitat

Hydrocharis is native to Europe, Asia, and North Africa and is commonly found growing in ponds, lakes, and slow-moving streams. It prefers to grow in still or slow-moving water that is rich in nutrients. The plant is now widely cultivated in many parts of the world for its ornamental value.

Question and Answer

Q: Can Hydrocharis grow in a fish tank?

A: Yes, Hydrocharis can grow in a fish tank as long as the water is clean and well-aerated.

Q: How often should I change the water in which Hydrocharis is growing?

A: You should change the water at least once a week to prevent the growth of algae and other harmful microorganisms.

Q: Can Hydrocharis survive in cold water?

A: Yes, Hydrocharis can tolerate cold water as long as the temperature does not drop below freezing.

Q: How do I propagate Hydrocharis?

A: Hydrocharis can be propagated by dividing the plant at the roots and replanting the divisions in fresh water.

Related Plants

• Egeria densa
• Elodea canadensis
• Ludwigia repens
• Nymphaea caerulea
• Vallisneria americana

References

• “Hydrocharis.” Encyclopedia Britannica. Accessed 15 May 2021. https://www.britannica.com/plant/Hydrocharis
• “Hydrocharis morsus-ranae.” Plant Finder. Missouri Botanical Garden. Accessed 15 May 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b718
• “Hydrocharis morsus-ranae.” RHS Plants. Royal Horticultural Society. Accessed 15 May 2021. https://www.rhs.org.uk/Plants/19665/Hydrocharis-morsus-ranae/Details