Sphenodesme

Description

Sphenodesme is a genus of flowering plants in the family Lamiaceae. It includes around 50 species, mostly found in Southeast Asia. These plants are relatively small, ranging from 30 cm to 1 meter in height. They have simple leaves and small flowers that are usually white, pink, or purple in color.

Taxonomic Information

Appearance

Sphenodesme has simple leaves that are usually 2-10 cm long and 1-5 cm wide. The leaves are arranged opposite each other on the stem. The flowers are small, usually less than 1 cm long, and are arranged in clusters at the end of the stem. They are usually white, pink, or purple in color. The fruit is a small nutlet that contains four seeds.

Care Guide

Sphenodesme prefers well-draining soil that is rich in organic matter. It requires regular watering, especially during the growing season. Fertilize the plant every two weeks with a balanced fertilizer. These plants prefer full sun to partial shade and can tolerate a wide range of temperatures. Hardiness zones for Sphenodesme range from 9-11.

Common Pests & Diseases

Sphenodesme is generally free from pests and diseases. However, it can occasionally be affected by aphids, mealybugs, and spider mites. These pests can be controlled with insecticidal soap or neem oil. Root rot can occur if the soil is too wet, so make sure to provide good drainage.

Habitat

Sphenodesme is native to Southeast Asia, where it grows in forests, on hillsides, and in other shaded areas. It can tolerate a wide range of soil conditions and can grow in both acidic and alkaline soils.

Question and Answer

Q: Can Sphenodesme be grown indoors?

A: Yes, Sphenodesme can be grown indoors as long as it receives adequate light and is not over-watered.

Q: How often should I fertilize Sphenodesme?

A: Fertilize the plant every two weeks with a balanced fertilizer during the growing season.

Q: Can Sphenodesme tolerate cold temperatures?

A: Sphenodesme prefers warm temperatures and is hardy in zones 9-11.

Q: How can I control aphids on my Sphenodesme plant?

A: Use insecticidal soap or neem oil to control aphids on your Sphenodesme plant.

Related Plants

• Scutellaria
• Plectranthus
• Mentha
• Salvia

References

• “Sphenodesme.” The Plant List. Accessed 10 June 2021. http://www.theplantlist.org/1.1/browse/A/Lamiaceae/Sphenodesme/
• “Sphenodesme.” World Checklist of Selected Plant Families. Accessed 10 June 2021. http://wcsp.science.kew.org/namedetail.do?name_id=189512
• “Sphenodesme.” Flora of China. Accessed 10 June 2021. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=130184