US4761PExpiredUtility

Euphorbia plant

Priority: Oct 20, 1978Filed: Oct 16, 1979Granted: Aug 25, 1981
Est. expiryOct 20, 1998(expired)· nominal 20-yr term from priority
A01H 5/02A01H 6/385
29
PatentIndex Score
4
Cited by
0
References
1
Claims

Abstract

A new variety of Euphorbia plant, being an asexually-reproduced hybrid of Euphorbia lophogona and Euphorbia milii which produces flowers in biaxial ramification, the clusters of which are up to about 15 cm in length, the flowers being yellowish in color and the bracts being up to 32 in number and from salmon pink to luminous salmon red in color, the plant being further characterized by an "ever-blooming" quality, under suitable environmental conditions. Propagation of this new variety is enhanced by control of environment to provide 1000 lux artificial light for a 121/2-hour day at temperatures from 22°-25° C. and humidity 60-90 percent.

Claims

exact text as granted — not AI-modified
I claim: 
     
       1. A hybrid plant of the genus Euphorbia, substantially as herein shown and described and particularly characterized in that it is the result of crossbreeding between a plant of the Euphorbia lophogona species, as the mother plant, and a plant of the Euphorbia milii species, as the father plant, and exhibits the following characteristics: succulent stem with 4 to 5 ridges on which small nodes occur at 2 cm intervals bearing up to 10 red-brown thorns 2 cm in length; blossom clusters up to 15 cm in length form at each new leaf axis and bear up to 32 single blossoms each having two salmon pink to luminous salmon red bracts on light green stalks up to 3 mm in thickness; layered configuration of each blossom cluster whereby, as a rule, two new blossoms develop from each single blossom; the alternately arranged spatulate leaves are slightly pulpy, about 15 cm in length and up to 5 cm in width with a short stalk, said plant being further characterized in that, in the appropriate environment, the plant will bloom uninterruptedly.

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