US Plant Patent PP31787
DUNKAL
Polemonium plant named ‘DUNKAL’
UNDER PATENT
Still under patent. Protection ends May 3, 2039.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP31787
- Filed
- May 3, 2019
- Granted
- May 19, 2020
- Expires
- May 3, 2039
- Assignee
- BRYSON GILLIAN, BRYSON GRAEME
- Inventor
- BRYSON GRAEME; BRYSON GILLIAN
Abstract
A new cultivar of Polemonium plant named ‘DUNKAL’ that is characterized by its foliage that is variegated with light green, creamy white, dark green, and bright purple-pink when grown in full sun with foliage variegated with light pink rather than bright purple-pink when grown in shade, its multicolored foliage that is present on the basal leaves as well as on the cauline leaves and its abundance of large purple flowers that are bright purple when grown in full sun and slighter lighter purple in color when grown in shade.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct variety of Polemonium plant designated ‘DUNKAL’ as described and illustrated herein.
Read the full patent: US Plant Patent PP31787 in full — the complete specification, every figure, and the file history.