Bellyache bush (Jatropha gossypiifolia)

Also known as: Black physicnut

Jatropha gossypiifolia, often referred to as bellyache bush, black physicnut, or cotton-leaf physicnut, is a flowering plant in the Euphorbiaceae family. Originating from Mexico, South America, Gujarat (India), and the Caribbean, it has become a problematic weed in places like Puerto Rico and northern Australia, including Queensland, where it's classified as a Class 2 pest plant. Growing up to 2.5-4 meters tall, the plant has unique three-lobed leaves that transition from sticky purple in youth to bright green as they mature. It produces small clusters of red flowers with yellow centers, followed by toxic, cherry-sized seed pods. The plant is also susceptible to powdery mildew. In addition to its English names, it is known as pinon negro, pinon colorado, and tua-tua in Spanish; medicinier noir and medicinier rouge in French; mamoninha and peao-roxo in Brazil; and jarak merah and sibidigua in India.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Bellyache bush

Lifespan

Perennial

Plant Type

Herb, Shrub

Plant Height

2.5 m to 4 m

Spread

90 cm

Leaf Color

Purplish-green

Flower Size

2 cm to 3.5 cm

Flower Color

Red Purple

Images of Bellyache bush

Quickly Identify Bellyache bush

Jatropha gossypiifolia can be identified by its three-lobed, palmately compound leaves with a purplish tint. The plant\'s red glandular hairs and small, bright flowers are also distinctive characteristics. Additionally, the seeds are toxic, which is a key identification feature.

Scientific Classification of Bellyache bush

Phylum

Vascular plants

Class

Dicotyledons

Order

Malpighiales

Family

Spurge

Genus

Physic nuts

Species

Bellyache bush

Planting and Growing of Bellyache bush

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

4-6 hours

Ideal Temperature

68-86℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Bellyache bush?

Jatropha gossypiifolia requires a moderate amount of water. When watering, ensure the soil is thoroughly moistened but not waterlogged. It's crucial that the soil's top inch becomes dry before each new watering session to prevent root rot.

What are the symptoms of an underwatered Bellyache bush? ›

What should I do if my Bellyache bush is not getting enough water? ›

What are the symptoms of an overwatered Bellyache bush? ›

How to save an overwatered Bellyache bush? ›

What Are the Sunlight Requirements for Bellyache bush?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

Jatropha gossypiifolia ideally enjoys full sun to partial shade, facilitating optimal growth. Proper lighting boosts vibrant leaf color and flowering, promoting overall vigor.

How much sunlight does Jatropha gossypiifolia need? ›

What are some solutions to achieve ideal lighting? ›

What benefits does ideal lighting bring to Jatropha gossypiifolia? ›

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What Is the Ideal Temperature Range for Bellyache bush?

Ideal Temperature: 68 ~ 86℉

Jatropha gossypiifolia thrives best in a warm environment, ideally between 68°F and 86°F. This temperature range provides an optimal climate that encourages healthy growth and strong structural development. Ideal temperatures ensure that the plant's physiological processes, such as photosynthesis and nutrient uptake, are maximized, leading to vibrant foliage and successful flowering. Any temperatures significantly outside of this range may stress the plant and affect its overall health.

What Soil is Best for Bellyache bush?

Soil type: Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Jatropha gossypiifolia requires well-drained soil to prevent root rot. Proper drainage ensures that water does not accumulate around the roots, leading to healthier and more robust growth. A fertile soil rich in organic matter provides the necessary nutrients for this plant. Nutrient-rich soils support lush foliage and vibrant blooms, enhancing the plant’s decorative appeal. The soil should support the plant in a warm climate. It thrives in tropical and subtropical regions, and the right soil can help it adapt to temperature variations effectively.

How to Fertilize Bellyache bush?

Fertilizer type: Balanced

For Jatropha gossypiifolia, the ideal fertilizer amount depends on its growth stage. During the active growing season, apply a balanced liquid fertilizer diluted to half its strength. Use approximately 1 teaspoon per gallon of water to avoid over-fertilization, which can harm the plant. Always follow up with plain water to aid nutrient absorption.

How to Prune Bellyache bush?

Pruning Time: Spring, Summer

Start by removing any dead, damaged, or diseased branches. This not only enhances the plant's overall appearance but also helps it focus resources on healthy growth. Proceed by trimming overgrown branches to maintain the desired shape and size of the plant. Aim to preserve its natural form, making cuts above a leaf node to encourage new, vigorous growth. To promote bushier growth, selectively trim the tops of branches. This process stimulates the plant to branch out, leading to a denser appearance. Be moderate to avoid shocking the plant. Even after pruning, continue to inspect the plant regularly for signs of new growth that may need correction or additional shaping. Consistent observation ensures your plant remains healthy and aesthetically pleasing. More About Pruning Techniques→

How to Propagate Bellyache bush plant?

Propagate Time: Late spring,Early summer

Choose a healthy parent plant with no signs of disease or pest infestation. The plant should be mature enough to provide viable seeds or robust cuttings, ensuring the best chances for successful propagation.

For cutting propagation, select a stem around 10 cm long, and for seed propagation, ensure the seeds are fully mature. Remove any leaves or flowers from the cuttings to focus energy on rooting.

Plant the cuttings in well-draining soil and keep them moist but not waterlogged. For seeds, ensure they are sown at the correct depth in soil that retains moisture while allowing excess water to drain.

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How to Repot Bellyache bush plant?

Repotting frequency: Every 2-3 years

Look for these signs: roots growing out through the drainage holes, the plant becoming top-heavy, or slow growth despite proper care. These indicators suggest that Jatropha gossypiifolia has outgrown its current pot and needs repotting.

Select a pot 1-2 inches larger in diameter than the current one, with adequate drainage holes. A slightly larger pot provides room for the roots to expand without overwatering risks, promoting healthier plant growth.

Opt for well-draining sandy loam to ensure the roots remain aerated and not waterlogged. This type of soil mimics the plant's natural habitat, providing better support and nutrient availability for robust growth.

Toxicity of Bellyache bush

Is Bellyache bush toxic to humans?

The plant known as "bellyache bush" derives its name from its significant toxicity. Every part of this plant can be poisonous if eaten, but the seeds pose the greatest threat, so it's crucial to avoid consuming them! The main toxic element in bellyache bush is curcin, which is akin to ricin; it primarily accumulates in the seeds but can also be found in the fruit and sap. Furthermore, this plant contains a purgative oil, which is again most concentrated in the seeds. While symptoms of poisoning primarily manifest as gastrointestinal distress, including diarrhea, other signs of toxicity remain largely unrecognized. The danger of ingestion is heightened by the plant's popularity as an ornamental species, particularly for young children who might not comprehend the risks of consuming an unfamiliar item.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.

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