Jatropha Macrorhiza

Description

Jatropha Macrorhiza, also known as the Bigroot Jatropha, is a flowering plant species that belongs to the Euphorbiaceae family. It is native to Central America and the Caribbean, but it can also be found in other parts of the world where it has been introduced. This plant can grow up to 6 feet tall, and it is characterized by its large, fleshy roots that can store water for extended periods. Jatropha Macrorhiza produces clusters of small, white flowers that bloom from summer to fall.

Taxonomic Information

Appearance

Jatropha Macrorhiza has large, heart-shaped leaves that can grow up to 10 inches long and 8 inches wide. The leaves have a glossy, dark green color and a slightly serrated edge. The plant’s stem is thick and woody, and it can develop a grayish-brown bark as it ages. The flowers of Jatropha Macrorhiza are small, white, and star-shaped, with five petals that measure about 0.5 inches across. The plant’s fruit is a small, green capsule that contains seeds.

Care Guide

Jatropha Macrorhiza is a relatively low-maintenance plant that can thrive in various growing conditions. Here are some tips on how to care for this plant:

• Water: This plant prefers well-draining soil that is kept consistently moist. Water it regularly, but avoid overwatering, as this can lead to root rot.
• Fertilization: Jatropha Macrorhiza benefits from regular fertilization with a balanced, all-purpose fertilizer. Apply the fertilizer every two to three months during the growing season.
• Soil: This plant prefers a well-draining soil that is rich in organic matter. It can tolerate a wide range of soil types, including sandy, loamy, and clay soils.
• Sunlight: Jatropha Macrorhiza prefers full sun to partial shade. It can tolerate some shade, but it may not flower as prolifically in low-light conditions.
• Hardiness Zones: This plant can grow in USDA hardiness zones 9-11.

Common Pests & Diseases

Jatropha Macrorhiza is generally pest and disease-resistant, but it can be susceptible to the following:

• Aphids: These small, soft-bodied insects can suck the sap from the plant’s leaves and stems, causing them to wilt and die. Use insecticidal soap or neem oil to control aphids.
• Spider mites: These tiny pests can cause yellowing and stippling on the plant’s leaves. Use a miticide to control spider mites.
• Root rot: Overwatering or poor drainage can lead to root rot, which can ultimately kill the plant. Make sure the soil is well-draining, and avoid overwatering.

Habitat

Jatropha Macrorhiza is native to Central America and the Caribbean, where it grows in a variety of habitats, including forests, savannas, and coastal areas. It can also be found in other tropical and subtropical regions where it has been introduced as an ornamental plant. Jatropha Macrorhiza can tolerate a wide range of growing conditions, including drought and poor soil quality.

Question and Answer

Q: Can Jatropha Macrorhiza be grown indoors?

A: Yes, Jatropha Macrorhiza can be grown indoors as long as it is provided with plenty of bright, indirect light and well-draining soil.

Q: How often should I fertilize Jatropha Macrorhiza?

A: Fertilize Jatropha Macrorhiza every two to three months during the growing season with a balanced, all-purpose fertilizer.

Q: Can Jatropha Macrorhiza tolerate salt spray?

A: Yes, Jatropha Macrorhiza can tolerate salt spray, making it a good choice for coastal gardens.

Q: Is Jatropha Macrorhiza toxic?

A: Yes, Jatropha Macrorhiza is toxic if ingested. Keep it away from children and pets.

Related Plants

• Jatropha Integerrima
• Jatropha Multifida
• Jatropha Podagrica
• Jatropha Curcas

References

• “Jatropha Macrorhiza.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c464
• “Jatropha Macrorhiza.” Floridata. https://floridata.com/Plants/Euphorbiaceae/Jatropha%20macrorhiza/34
• “Bigroot Jatropha.” University of Florida IFAS Extension. https://gardeningsolutions.ifas.ufl.edu/plants/ornamentals/bigroot-jatropha.html