Photinia

Photinia fraseri A

Photinia fraseri B

Photinia flower

Photinia is a genus of about 40–60 species of small trees and large shrubs, but also sometimes classified as large shrubs, in the Rosaceae family. They are native to warm temperate regions of Asia, from the Himalayas to Japan and India, and also extend to the Americas. The genus is closely related to the apple (Malus) genus. Photinia leaves are usually lanceolate, ranging from 5–15 cm in length, and are bright red when young, gradually changing to dark green upon maturity. The flowers are produced in large panicles, are white, and have a distinctive pungent smell. The fruit is a small pome, and can be red or black, depending on the species.

Description

Photinia plants are known for their striking red foliage, which makes them popular in horticulture and landscaping. The red color appears on the new growth in the spring, creating a vivid contrast against the mature green leaves. This characteristic is most pronounced in the Photinia × fraseri 'Red Robin', a hybrid between Photinia glabra and Photinia serratifolia, which is widely cultivated for its ornamental value.

Taxonomy

The taxonomy of Photinia has been subject to revision and debate. It was previously included in the genus Crataegus and sometimes associated with Aronia. However, genetic studies have confirmed its classification within the Rosaceae family, distinct from these genera. The name Photinia is derived from the Greek word for "shiny", referring to the glossy leaves of many species within the genus.

Cultivation and Uses

Photinia is highly valued in gardens and parks for its aesthetic appeal, especially the varieties with bright red young leaves. They are used in a variety of landscaping designs, including hedges, screens, and as standalone ornamental trees. Photinia plants prefer well-drained soil and a sunny to partly shaded position. They are relatively easy to care for, requiring minimal pruning to maintain their shape and encourage the colorful new growth.

In addition to their ornamental use, some species of Photinia are used in traditional medicine, and their wood can be used for crafting small objects.

Species

Some notable species within the genus include:

• Photinia serratifolia (Chinese Photinia)
• Photinia glabra (Japanese Photinia)
• Photinia × fraseri (Fraser Photinia or Red Robin)

Conservation

While many species of Photinia are common in cultivation, some wild species are considered at risk due to habitat loss and overcollection. Conservation efforts are necessary to ensure the survival of these species in their natural habitats.

Gallery

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See Also

• Rosaceae
• Horticulture
• Landscaping