Pleroma heteromallum, synonyms including Tibouchina grandifolia and Tibouchina heteromalla, known by the common name silverleafed princess flower in English, is a species of evergreen flowering plant in the family Melastomataceae. It is native to French Guiana, Bolivia and Brazil.

Description

Pleroma heteromallum reaches an average height of , with a maximum of about in its native habitat. The branching stem is woody and the large, silvery green leaves are simple, ovate, velvety in texture, and oppositely arranged. The inflorescence is a panicle of several purple flowers with five petals. The plant has long leaves, with prominent veins that are puffed up in the middle and old leaves will often turn an orange color just prior to dropping off.

Pleroma heteromallum

Cultivation

The plant is cultivated as an ornamental for its showy foliage and purple flowers. It is sensitive to cold but can tolerate a light frost.

Pleroma heteromallum

Gallery

References

Sources

Porembski, S., et al. (1998). Diversity and ecology of saxicolous vegetation mats on inselbergs in the Brazilian Atlantic Rainforest. Diversity and Distributions 4(3) 107–19. Renner, S. S. (1989). A survey of reproductive biology in neotropical Melastomataceae and Memecylaceae. Annals of the Missouri Botanical Garden.

Pleroma heteromallum

heteromallum

Flora of Bolivia

Flora of Brazil

Flora of French Guiana