How to identify Cestrums (Cestrum)
Cestrums is a robust, spreading shrub reaching heights of around 6 to 8 feet (1.8 to 2.4 meters). Its branches are adorned with elongated leaves and clusters of slender, tubular flowers that showcase a bright cascade from spring until the onset of winter. Remarkably, the blossoms emit no scent during daylight hours; however, they exude a subtle perfume during the twilight and onward into the night. This feature is particularly noticeable when the evening air allows the fragrance to carry. The shrub thrives in a range of garden settings, often drawing the attention of nocturnal pollinators.
Lifespan: Perennial
Leaf Type: Evergreen
Robust shrub reaching 6-8 feet (1.8-2.4 meters) with elongated leaves and tubular flowers.
Clusters of vibrant tubular flowers, 1 inch (2.5 cm) long, emitting scent at night.
Petite purple or alabaster berries, 0.4 inches (1 cm) in diameter, clustered on branches.
Alternate, lanceolate leaves, 2-6 inches (5-15 cm) long, pinnate vein pattern.
The leaves of cestrums are alternate and simple, characterized by a smooth margin. They are lanceolate to ovate in shape, generally measuring 2 to 6 inches (5 to 15 cm) in length and 1 to 3 inches (2.5 to 7.5 cm) in width. The leaves exhibit a deep green color and a glossy texture. The vein pattern is pinnate, with a pronounced central vein and secondary veins that extend towards the leaf edges. These features make them distinct and easily identifiable.
The flowers of cestrums are characterized by clusters of tubular blooms, showcasing vibrant hues of orange, greenish-white, greenish-yellow, or cream. Each flower measures approximately 1 inch (2.5 cm) in length. Petals are fused into a tube that gradually flares out at the end. These flowers are notably aromatic during the nighttime, emitting a distinct fragrance that attracts various pollinators. The blooming period extends from late spring to early autumn, providing a prolonged display of color and scent.
The fruit of cestrums is a petite berry, typically displaying hues of purple or alabaster. As it reaches maturity around September, this berry, with a common diameter of about 0.4 inches (1 cm), stands out against the foliage. Its surface is smooth and glossy, encasing a flesh that is juicy and potentially houses multiple small seeds. These berries are oftentimes clustered together, forming groups that dangle from the branches, presenting a noticeable feature for those interested in plant identification.
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Scientific Classification of Cestrums
