US Plant Patent PP17453
Mary
Dieffenbachia plant named ‘Mary’
PUBLIC DOMAIN
Patent expired September 28, 2025. This plant is in the public domain — anyone may propagate and sell it.
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
- PP17453
- Filed
- September 28, 2005
- Granted
- February 27, 2007
- Expires
- September 28, 2025
- Assignee
- FRAZER EDWIN JOHN
- Inventor
- FRAZER EDWIN JOHN
Abstract
‘Mary’, a Dieffenbachia cultivar. ‘Mary’ is a compact Dieffenbachia of medium size, with oval, yellow-green variegated leaves emarginated in dark green. The leaves are held tightly to the stem with distinctive short white petioles. ‘Mary’ exhibits strong suckering ability. Its plant growth habit is small and compact, leaf shape is oval, leaf size is approximately 23 cm×14 cm with a length to width ratio of 1.6, leaves are yellow green and variegated, petioles are predominately white, and the distance from apex of wing to leaf base is small and bout 0.5 cm.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Dieffenbachia plant named ‘Mary’, as herein described and illustrated.
Read the full patent: US Plant Patent PP17453 in full — the complete specification, every figure, and the file history.