Rhamnaceae
Contents
Description
Rhamnaceae is a family of flowering plants commonly known as the buckthorn family. The family consists of approximately 900 species of shrubs and trees, distributed throughout the world. The leaves of Rhamnaceae plants are often alternate or opposite, simple or compound, and have a toothed or smooth margin. The flowers are usually small and inconspicuous, with four or five petals and sepals. The fruit is a drupe or a berry.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rhamnales |
| Family | Rhamnaceae |
| Genus | Rhamnus |
Appearance
Rhamnaceae plants vary greatly in appearance, from small shrubs to large trees. The leaves are typically simple or compound, and are often toothed or smooth-edged. The flowers are usually small and inconspicuous, with four or five petals and sepals. The fruit is a drupe or a berry, and may be red, black, or blue in color.
Care Guide
Rhamnaceae plants are generally easy to care for. They prefer well-draining soil and regular watering, but can tolerate periods of drought. Fertilize with a balanced fertilizer in the spring and summer. Rhamnaceae plants prefer full sun, but some species can tolerate partial shade. Hardiness zones vary depending on the species, but most Rhamnaceae plants are hardy in zones 5-9.
Common Pests & Diseases
Rhamnaceae plants are generally resistant to pests and diseases. However, they can be susceptible to scale insects and spider mites, which can be treated with insecticidal soap. Root rot can also be a problem in poorly-draining soil.
Habitat
Rhamnaceae plants are found throughout the world, in a variety of habitats. They can be found in forests, shrublands, deserts, and even in coastal areas. Some Rhamnaceae species are adapted to dry conditions, while others prefer moist soils.
Question and Answer
Q: Are all Rhamnaceae plants toxic?
A: No, not all Rhamnaceae plants are toxic. However, some species, such as buckthorn, can be toxic if ingested.
Q: Can Rhamnaceae plants be used for landscaping?
A: Yes, many Rhamnaceae plants are popular for landscaping, such as the California coffeeberry and the Carolina buckthorn.
Q: Are Rhamnaceae plants invasive?
A: Some Rhamnaceae species, such as the common buckthorn, can be invasive in certain areas.
Q: Can Rhamnaceae plants be grown in containers?
A: Yes, many Rhamnaceae plants can be grown in containers, such as the Indian cherry and the Carolina buckthorn.
Related Plants
- Buckthorn (Rhamnus cathartica)
- California coffeeberry (Frangula californica)
- Indian cherry (Rhamnus jujuba)
- Carolina buckthorn (Rhamnus caroliniana)
- Italian buckthorn (Rhamnus alaternus)
References
- Dirr, M. A. (2009). Dirr’s Encyclopedia of Trees and Shrubs. Timber Press.
- Huxley, A. (1999). The New Royal Horticultural Society Dictionary of Gardening. Groves Dictionaries Inc.
- Missouri Botanical Garden. (n.d.). Rhamnaceae. Retrieved from http://www.missouribotanicalgarden.org/PlantFinder/Family/FamilyDetails.aspx?familyid=100
