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US Plant Patent PP17768

KF1-1

Interspecific hybrid Dogwood Tree designated ‘KF1-1’

PUBLIC DOMAIN

Patent expired August 1, 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.

Figure 1 of US plant patent PP17768, the photograph of KF1-1 printed in the patent.
Figure 1 from US Plant Patent PP17768, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP17768
Filed
August 1, 2005
Granted
May 29, 2007
Expires
August 1, 2025
Inventor
ORTON ELWIN R; GANT DAVID A

Abstract

An F 1 interspecific hybrid of Cornus kousa×C. florida that is distinguished by its large bracts, a compact and dense attitude, wider than tall, and a flowering habit in the middle of the blooming season for the commercially available cultivars of Cornus kousa×C. florida. The cultivar has a high level of winter hardiness, and is highly resistant to dogwood anthracnose and the common dogwood borer.

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 dogwood tree comprising an F 1 interspecific hybrid of Cornus kousa×C. florida substantially as herein shown and described.

Read the full patent: US Plant Patent PP17768 in full — the complete specification, every figure, and the file history.