US Plant Patent PP13971
Amarantha
Oxalis plant named ‘Amarantha’
PUBLIC DOMAIN
Patent expired May 6, 2022. 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
- PP13971
- Filed
- May 6, 2002
- Granted
- July 15, 2003
- Expires
- May 6, 2022
- Assignee
- FUTURE PLANTS V O F
- Inventor
- VAN DELFT LUITE CORNELIS JOHAN
Abstract
A distinct cultivar of Oxalis plant named ‘Amarantha’, characterized by its outwardly spreading to procumbent plant habit; large trifoliate leaves; freely flowering habit; and large red purple-colored flowers.
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 cultivar of Oxalis plant named ‘Amarantha’, as illustrated and described.
Read the full patent: US Plant Patent PP13971 in full — the complete specification, every figure, and the file history.