Characteristics of Purple Glory Tree (Tibouchina granulosa) in the Wild

Tibouchina granulosa
Purple Glory or Princess Flower (Tibouchina granulosa) is a species of tree in the Melastomataceae family. Due to its purple flowers and blooming almost all year round, this tree is often grown as an ornamental tree in Brazil, and the locals call it Quaresmeira.

This tree is considered as one of the tropical ornamental plant species that produces abundant flowers, which last from spring to late autumn, it is also widely cultivated in tropical and subtropical climates.

Purple Glory trees can grow to 10 meters tall and require good acidic soil drainage to flower (if planted in a pot, you will need to apply acid fertilizer). The tree likes to grow in full to partial sun, requires water throughout the day or a humid area, and cannot tolerate temperatures below freezing.

This tree can grow in USDA 10 to 11 or any area where it is not too cold.


Characteristics of Purple Glory Leaf

Tibouchina granulosa Leaf
Source: and Kim Starr

The leaves are simple, elliptical, pubescent, leathery, with well-marked longitudinal ribs and an entire edge.


Characteristics of Purple Glory Flower

Tibouchina granulosa Flower
Source: Wholesale

Pentameric flowers, simple, up to 5 cm in diameter, with long stamens and a purplish to pink (variety) crown.

The flowers are attractive to several types of bees, wasps, butterflies, and other flying insects.


Characteristics of Purple Glory Fruit

The fruit is hard and dry, bowl-shaped, brown, cracked, about 1 cm in diameter, and has small seeds, which appear from April to May and from October to November.


Characteristics of Purple Glory Tree

Tibouchina granulosa Tree
Source: halpern

Purple Glory grows as a small to medium tree, reaching 8-12 meters in height. The stems can be single or double, 30-40 cm in diameter. The tree has a life span of up to 70 years.


This tree can be propagated by seed but has a low germination rate. It can also be cuttings, where old stems are cut and planted in acid and damp soil. Propagation by cuttings is more successful than planting from seed.


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