Ophiorrhiza Japonica

Description

Ophiorrhiza Japonica, commonly known as Japanese snake root, is a perennial plant that belongs to the Rubiaceae family. It is native to Japan and can grow up to 70 cm tall. The stem of this plant is erect, branching out towards the top, and has a rough surface. The flowers are white or pale pink, tubular in shape, and have five lobes. The fruit is a small capsule containing many seeds. The plant has medicinal properties and is used in traditional Chinese medicine to treat diarrhea, fever, and various other ailments.

Taxonomic Information

Appearance

The leaves of Ophiorrhiza Japonica are simple, opposite, and ovate in shape. They are dark green, glossy, and have a smooth surface. The flowers are borne in clusters at the end of the stem and have a delicate fragrance. The plant blooms from early summer to early autumn. The fruit is a small capsule that splits open when mature, releasing many small seeds.

Care Guide

Ophiorrhiza Japonica prefers well-drained soil and partial shade. Water the plant regularly during the growing season, making sure not to overwater it. Fertilize the plant once a month during the growing season with a balanced fertilizer. The plant is hardy in USDA zones 7-10, but it may need protection in colder areas. Prune the plant in early spring to encourage new growth.

Common Pests & Diseases

Ophiorrhiza Japonica is susceptible to root rot if the soil is too wet. It may also be attacked by aphids, spider mites, and scale insects. To prevent these pests, keep the plant well-watered and avoid over-fertilizing it. If pest infestation occurs, treat the plant with an insecticidal soap or neem oil.

Habitat

Ophiorrhiza Japonica is native to Japan and is found in forests, grasslands, and along riverbanks. It prefers moist, well-drained soil and partial shade. The plant has been introduced to other countries, including the United States, where it is grown as an ornamental plant.

Question and Answer

Q: Is Ophiorrhiza Japonica a poisonous plant?

A: No, Ophiorrhiza Japonica is not poisonous.

Q: Can Ophiorrhiza Japonica grow in full sun?

A: No, Ophiorrhiza Japonica prefers partial shade.

Q: How do I propagate Ophiorrhiza Japonica?

A: Ophiorrhiza Japonica can be propagated by division or from seeds.

Q: How often should I fertilize Ophiorrhiza Japonica?

A: Ophiorrhiza Japonica should be fertilized once a month during the growing season with a balanced fertilizer.

Related Plants

• Ophiorrhiza Mungos
• Ophiorrhiza Rugosa
• Ophiorrhiza Pumila
• Ophiorrhiza Trifida

References

• “Ophiorrhiza Japonica.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=282877. Accessed 10 Feb. 2022.
• “Ophiorrhiza Japonica.” Plant Information Online, www.plantinfo.umn.edu/node/1439508. Accessed 10 Feb. 2022.
• “Ophiorrhiza Japonica.” Royal Horticultural Society, www.rhs.org.uk/plants/316623/ophiorrhiza-japonica/details. Accessed 10 Feb. 2022.