Cereus divaricatus is a plant species native to South America. Its name is pronounced /səˈriːəs dɪˌværɪˈkeɪtəs/ (suh-REE-uhs dih-VAR-ih-KAY-tuhs), which represents the International Phonetic Alphabet transcription. "Cereus" comes from the Latin word "cera," meaning wax, due to the plant's waxy texture. "Divaricatus" means "spread apart" in Latin, referring to the plant's branching habit. Accurately spelling scientific names is essential in communicating accurately, avoiding confusion, and ensuring proper identification of species.
Cereus divaricatus, commonly known as the spectacled cactus, is a species of cactus that belongs to the Cactaceae family. Native to the arid regions of southwestern United States and northern Mexico, this perennial plant is characterized by its unique growth pattern and distinctive physical traits.
The spectacled cactus typically grows as a shrub or small tree, reaching heights of up to 10 feet (3 meters). It has a branching habit with slender, upright stems that are covered in numerous spines. The stems are cylindrical in shape, usually pale green in color, and can develop a grayish or bluish patina with age. The species gets its name from the prominent white or yellowish spines that create a ringed pattern around the stem, resembling a pair of spectacles.
During the spring and early summer, Cereus divaricatus produces stunning, nocturnal white flowers that open at night and close during the day. These flowers are large, measuring around 4 to 6 inches (10 to 15 centimeters) in diameter, and emit a sweet fragrance to attract pollinating insects. Following successful pollination, the flowers give way to small, elongated fruits that are often red or orange when ripe.
In cultivation, Cereus divaricatus is a popular ornamental plant for arid and xeriscaped gardens. It is appreciated for its unique appearance, drought tolerance, and ability to thrive in a wide range of climatic conditions. However, as with other cacti, it requires proper care and protection from frost and excessive moisture to ensure its longevity and health.
The juice is anthelmintic and diuretic, and locally vesicating.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The etymology of the word "Cereus divaricatus" can be broken down as follows:
1. Cereus: This word originates from Latin, where it means "wax candle" or "torch". It is derived from the Latin word "cera" meaning "wax" and is associated with the plant's cylindrical shape resembling a candle or torch.
2. Divaricatus: This word comes from the Latin verb "divaricare", which means "to spread apart" or "to diverge". It is derived from the prefix "di-" meaning "apart" and the verb "varicare" meaning "to straddle" or "to be widespread". In the context of the plant's name, "divaricatus" refers to its growth habit or the spreading nature of its branches or stems.