Pentasacme

Description

Pentasacme is a genus of flowering plants that belongs to the family Rubiaceae. It consists of about 14 species of evergreen shrubs and trees that are native to Southeast Asia, particularly in Borneo, Sumatra, and the Malay Peninsula. These plants are generally small, with leaves that are simple, opposite or whorled, and finely toothed margins. The flowers of Pentasacme are typically small and white, with five petals that are fused at the base.

Taxonomic Information

Appearance

Pentasacme plants are typically small evergreen shrubs or trees that can grow up to 5 meters tall. The leaves are simple, opposite or whorled, and have finely toothed margins. The flowers are small and white, with five petals that are fused at the base. They are arranged in clusters at the tips of the branches, and bloom throughout the year.

Care Guide

Pentasacme plants are relatively easy to care for. They prefer well-draining soil and require moderate watering. Fertilize the plants during the growing season with a balanced fertilizer. These plants prefer full sun to partial shade and can tolerate a range of temperatures. They are hardy in USDA zones 9-11.

Common Pests & Diseases

Pentasacme plants are generally resistant to pests and diseases. However, they may occasionally be affected by spider mites, scale insects, or mealybugs. These pests can be controlled with insecticidal soap or neem oil. Overwatering can lead to root rot, so be sure to allow the soil to dry out between waterings.

Habitat

Pentasacme plants are native to Southeast Asia, particularly in Borneo, Sumatra, and the Malay Peninsula. They grow in a variety of habitats, including lowland and montane rainforests, peat swamps, and limestone forests.

Question and Answer

Q: What is the ideal growing temperature for Pentasacme plants?

A: These plants can tolerate a range of temperatures, but they prefer warm and humid conditions.

Q: How often should I fertilize Pentasacme plants?

A: Fertilize these plants during the growing season, about once a month, with a balanced fertilizer.

Q: Can Pentasacme plants be grown indoors?

A: These plants can be grown indoors, but they require bright, indirect light and high humidity.

Q: How often should I water Pentasacme plants?

A: Water these plants when the soil is dry to the touch, but be sure not to overwater them.

Related Plants

• Psychotria
• Coffea
• Gardenia

References

• “Pentasacme.” The Plant List. Accessed 28 July 2021. http://www.theplantlist.org/browse/A/Rubiaceae/Pentasacme/.
• “Pentasacme.” Flora of China. Accessed 28 July 2021. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=126857.
• “Pentasacme.” Tropicos. Accessed 28 July 2021. http://www.tropicos.org/Name/40022197.