Calicorema

Description

Calicorema is a genus of flowering plants that belong to the family Rubiaceae. This genus comprises around 20 species of evergreen shrubs and small trees that are native to tropical regions of Africa and Madagascar. The plants of this genus produce small, tubular flowers that are usually white or pink in color. The leaves of Calicorema plants are simple and opposite, and they have a glossy surface. The plants have a pleasant fragrance that makes them ideal for gardens and landscaping.

Taxonomic Information

Appearance

Calicorema plants are known for their attractive appearance. They are evergreen shrubs or small trees that can reach a height of up to 10 meters. The plants produce small, tubular flowers that are usually white or pink in color. The leaves of Calicorema plants are simple and opposite, and they have a glossy surface. The leaves are dark green in color and have a leathery texture. The plants have a pleasant fragrance that makes them ideal for gardens and landscaping.

Care Guide

Water

Calicorema plants require regular watering during the growing season. They prefer moist soil, but it is important to avoid overwatering as it can lead to root rot. Water the plants deeply once a week, and make sure the soil is well-draining.

Fertilization

Calicorema plants benefit from regular fertilization during the growing season. Use a balanced fertilizer that is rich in nitrogen, phosphorus, and potassium. Apply the fertilizer every two weeks during the growing season, and reduce the frequency during the dormant season.

Soil

Calicorema plants prefer well-draining soil that is rich in organic matter. They do well in slightly acidic to neutral soil with a pH between 5.5 and 7.5. Make sure the soil is not compacted, and add compost or other organic matter to improve its fertility.

Sunlight

Calicorema plants prefer full to partial sunlight. They require at least 6 hours of sunlight per day for optimal growth and flowering. However, they can also tolerate some shade, especially during the hottest part of the day.

Hardiness Zones

Calicorema plants are tropical plants that are not very cold hardy. They require a minimum temperature of 60°F (15°C) to thrive. They are suitable for hardiness zones 10 to 11.

Common Pests & Diseases

Calicorema plants are relatively pest and disease-resistant. However, they can be susceptible to spider mites, scale insects, and mealybugs. These pests can be controlled with insecticidal soap or neem oil. The plants can also be affected by fungal diseases such as powdery mildew and leaf spot. These diseases can be prevented by avoiding overhead watering and improving air circulation around the plants.

Habitat

Calicorema plants are native to tropical regions of Africa and Madagascar. They are found in forests, woodlands, and along riverbanks. They prefer moist soil and humid conditions, and they require regular rainfall to thrive.

Question and Answer

Q: How often should I water my Calicorema plant?

A: Calicorema plants require regular watering during the growing season. Water the plants deeply once a week, and make sure the soil is well-draining. Avoid overwatering, as it can lead to root rot.

Q: What is the ideal pH for Calicorema plants?

A: Calicorema plants prefer slightly acidic to neutral soil with a pH between 5.5 and 7.5.

Q: What is the minimum temperature required for Calicorema plants?

A: Calicorema plants require a minimum temperature of 60°F (15°C) to thrive.

Q: How can I control pests on my Calicorema plant?

A: Calicorema plants can be affected by spider mites, scale insects, and mealybugs. These pests can be controlled with insecticidal soap or neem oil.

Related Plants

Here are some related plants to Calicorema:

• Psychotria
• Galium
• Myrmecodia
• Coffea

References

– The Plant List (2021). Calicorema. Available at: http://www.theplantlist.org/1.1/browse/A/Rubiaceae/Calicorema/- Missouri Botanical Garden (2021). Calicorema. Available at: https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=269158&isprofile=0&cv=1#synonyms