Hewittia

Description

Hewittia is a small genus of flowering plants that belongs to the family Gesneriaceae. The genus is named after Dr. Elmer Drew Merrill’s friend, Dr. Ernest Clayton Hewitt. There are only two known species of Hewittia, both of which are native to Southeast Asia.

Taxonomic Information

Appearance

Hewittia has a distinctive appearance, with small, delicate flowers that bloom in clusters. The flowers are typically pink or purple in color, although some species may have white or yellow flowers. The leaves are thin and green, with a slightly glossy texture. Overall, Hewittia is a charming plant that adds a touch of elegance to any garden or indoor space.

Care Guide

Proper care is essential for the health and longevity of Hewittia. Here are some tips to help you care for your plant:

• Water: Hewittia prefers moist soil, but be careful not to overwater it. Allow the soil to dry out slightly between waterings.
• Fertilization: Use a balanced fertilizer every two weeks during the growing season.
• Soil: Hewittia prefers well-draining soil that is rich in organic matter.
• Sunlight: Hewittia prefers bright, indirect sunlight. Avoid exposing it to direct sunlight, which can scorch its delicate leaves.
• Hardiness Zones: Hewittia is not frost-tolerant and is best suited for warm, humid climates.

Common Pests & Diseases

Hewittia is generally a healthy plant, but it can be susceptible to certain pests and diseases. Here are some of the most common issues:

• Aphids: These small insects can suck the sap from the leaves and flowers, causing them to wilt and die. Use an insecticidal soap to control aphids.
• Spider Mites: These tiny pests can cause yellowing and browning of the leaves. Use a miticide to control spider mites.
• Botrytis: This fungal disease can cause gray mold to form on the leaves and flowers. Remove infected leaves and flowers and treat with a fungicide.
• Root Rot: Overwatering can cause the roots to rot, which can lead to the death of the plant. Make sure to allow the soil to dry out slightly between waterings.

Habitat

Hewittia is native to Southeast Asia, where it can be found growing in forests and other natural habitats. The plant prefers warm, humid climates with well-draining soil and plenty of moisture. It is not frost-tolerant and is best suited for tropical and subtropical regions.

Question and Answer

Q: Can Hewittia be grown indoors?

A: Yes, Hewittia can be grown indoors as long as it is provided with bright, indirect sunlight and moist soil.

Q: Does Hewittia require a lot of fertilizer?

A: No, Hewittia only needs to be fertilized every two weeks during the growing season with a balanced fertilizer.

Q: How often should I water my Hewittia?

A: Water your Hewittia when the soil feels dry to the touch. Make sure to allow the soil to dry out slightly between waterings.

Q: What is the best way to propagate Hewittia?

A: Hewittia can be propagated by taking stem cuttings and rooting them in moist soil.

Related Plants

• Achimenes
• Columnea
• Episcia
• Saintpaulia

References

• “Hewittia.” The Plant List. Accessed 20 March 2021. https://www.theplantlist.org/1.1/browse/A/Gesneriaceae/Hewittia/
• Wu, Zheng-Yi and Raven, Peter H. “Flora of China.” Hewittia. Accessed 20 March 2021. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=116897
• Gesneriad Society. “Hewittia.” Accessed 20 March 2021. https://www.gesneriadsociety.org/plant-data/hewittia/