Gymnostachys

Description

Gymnostachys is a genus of trees that belongs to the family Achariaceae. There are only two species that have been identified so far, namely, Gymnostachys anceps and Gymnostachys rufescens. Both species are native to the tropical regions of Africa and have been known to grow up to 30 meters tall.

Taxonomic Information

Appearance

Gymnostachys trees have a unique appearance that sets them apart from other trees. They have a distinctive, thick, and corky bark that is grey-brown in color. The leaves are alternate, simple, and have a serrated margin. The flowers are small, greenish-yellow, and are arranged in spikes. The fruit is a capsule that has 2-4 seeds.

Care Guide

Gymnostachys trees grow well in moist, well-drained soil that is rich in nutrients. They require regular watering and fertilization during the growing season. They thrive in full sun to partial shade and can withstand temperatures ranging from 10°C to 40°C. Gymnostachys trees are hardy in USDA hardiness zones 10-12.

Common Pests & Diseases

Gymnostachys trees are susceptible to a few pests and diseases. Some of the common pests that infest Gymnostachys trees are mealybugs, scales, and spider mites. These pests can be controlled by using insecticidal soaps or neem oil. Gymnostachys trees are also prone to fungal diseases such as leaf spot and canker. These diseases can be prevented by ensuring good air circulation around the tree and by using fungicides.

Habitat

Gymnostachys trees are native to the tropical regions of Africa. They grow in lowland rainforests, riverbanks, and swamps. Gymnostachys trees are also found in secondary forests and disturbed areas.

Question and Answer

Q: What is the height range of Gymnostachys trees?

A: Gymnostachys trees can grow up to 30 meters tall.

Q: What is the color of Gymnostachys bark?

A: Gymnostachys bark is grey-brown in color.

Q: What are some common pests that infest Gymnostachys trees?

A: Mealybugs, scales, and spider mites are some common pests that infest Gymnostachys trees.

Q: In which hardiness zones do Gymnostachys trees thrive?

A: Gymnostachys trees are hardy in USDA hardiness zones 10-12.

Related Plants

Here are some related plants to Gymnostachys:

• Acharia
• Chrysophyllum
• Parinari
• Tetrapleura

References

• “Gymnostachys.” World Checklist of Selected Plant Families, Kew Science.
• “Gymnostachys.” The Plant List, Royal Botanic Gardens, Kew and Missouri Botanical Garden.
• “Gymnostachys.” Flora of Zimbabwe, Smithsonian National Museum of Natural History.