description Erica x williamsii Overview
Erica x williamsii is a naturally occurring hybrid heath in the family Ericaceae, produced by crosses between Erica tetralix and Erica vagans. It is associated with the serpentine heaths of Cornwall, where the ranges of its parent species meet, and it combines characteristics inherited from both. Cultivated selections are grown as compact evergreen shrubs for their summer flowers and are suited to acidic, well-drained soil in heath or rock-garden plantings.
help Erica x williamsii FAQ
What is Erica x williamsii?
Erica x williamsii is a naturally occurring hybrid heath in the family Ericaceae. It results from crosses between Erica tetralix and Erica vagans.
Where is Erica x williamsii associated with?
The hybrid is associated with the serpentine heaths of Cornwall. Its occurrence reflects the overlap between the ranges of its two parent species.
Which parent plants produced Erica x williamsii?
Its parents are Erica tetralix and Erica vagans. The hybrid combines characteristics inherited from both species rather than representing a separate unrelated heath.
Why is Erica x williamsii important botanically?
It is a clear example of natural hybridization in the genus Erica. Its presence in Cornwall shows how closely related species can cross where their habitats and flowering ranges meet.
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