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US Plant Patent PP17550

Key Largo

Aglaonema plant named ‘Key Largo’

PUBLIC DOMAIN

Patent expired August 1, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on July 5, 2025. This patent earned 27 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP17550, the photograph of Key Largo printed in the patent.
Figure 1 from US Plant Patent PP17550, 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
PP17550
Filed
July 5, 2005
Granted
April 3, 2007
Expires
August 1, 2025
Assignee
MUKUNDAN PARTHASARATHY, PARTHASARATHY GOPALASWAMY
Inventor
PARTHASARATHY GOPALASWAMY; MUKUNDAN PARTHASARATHY

Abstract

A new and distinct cultivar of Aglaonema plant named ‘Key Largo’, characterized by its compact, upright and outwardly arching plant form; vigorous growth habit; relatively short internodes; full, dense and bushy appearance; oblong leaves with cuspidate apices; upper leaf surfaces dark green in color with distinct and contrasting silvery gray centers and random silver-colored flecks and spots; short green-colored leaf petiodes; and tolerance to low temperatures.

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 Aglaonema plant named ‘Key Largo’, as illustrated and described.

Read the full patent: US Plant Patent PP17550 in full — the complete specification, every figure, and the file history.