Euphorbia milii plant named ‘Atlas’

Details Euphorbia milii plant named ‘Atlas’ Euphorbia milii plant named ‘Atlas’

2004-01-23

2004-12-21

Campell, Bruce R. (Department: 1661)

Plants

Herbaceous ornamnental flowering plant

Euphorbia

Plant Patent

active

PP015445

ABSTRACT:

Genus and species of the plant claimed:
Euphorbia lophogona×E. milii.
Variety denomination: ‘Atlas’.
BACKGROUND OF THE INVENTION
The present invention relates to a new and distinct cultivar of
Euphorbia
plant, botanically known as
Euphorbia lophogona×E. milii,
commonly known as Crown of Thorns and hereinafter referred to by the name ‘Atlas’.
The new
Euphorbia
is a product of a planned breeding program conducted in Haarslev, Fyn, Denmark. The new
Euphorbia milii
originated from a cross made in 2001 by the Inventor, Steen Thomsen, with unnamed cultivars of
Euphorbia
. The male parent is an unnamed seedling of
Euphorbia milii
Desmoul. and female parent is an unnamed seedling of
Euphorbia lophogona.
The Inventor selected the new
Euphorbia
cultivar as a single plant from the progeny of the above crossing in 2001 on the basis of its flower color and compact, freely branching habit. Plants of the new
Euphorbia
are upright, compact and have a unique color and abundant medium sized flowers.
Asexual reproduction of the new cultivar by terminal cuttings taken and propagated and trial production batches at Hjortebjerg Nurseries, Denmark, has shown that the unique features of this new
Euphorbia
are stable and reproduced true to type in many successive generations of asexual reproduction.
BRIEF DESCRIPTION OF THE INVENTION
Plants of the cultivar ‘Atlas’ have not been observed under all possible environmental conditions. The phenotype may vary somewhat with variations in environment such as temperature, light intensity, day length, and fertility level without, however, any variance in genotype.
The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘Atlas’. These characteristics in combination distinguish ‘Atlas’ as a new and distinct cultivar:
1. Floral colors: Bracts from 158B, yellow-white to 149D yellow-green with red margins.
2. Very dense and bushy plant form.
3. Moderately vigorous, cylindrical growth habit; compact plant habit.
4. High number of flowers per plant borne on long gray-orange peduncles 177A.
Plants of the cultivar ‘Atlas’ can be compared to plants of the cultivar
Euphorbia milii.
‘Themis’ (unpatented). Side-by-side comparisons conducted by the Inventor in Haarslev, Denmark, of the cultivar ‘Atlas’ and the cultivar ‘Themis’ have shown they differ in the following characteristics:
1. Plants of the new
Euphorbia
have striking red color and staminate cyathia with green, red bordered glands.
2. Plants of the new
Euphorbia
have smaller dark green leaves than ‘Themis’.
3. Plants of the new
Euphorbia
have longer and stiffer peduncles than plants of the cultivar ‘Themis’.
4. Plants of the new
Euphorbia
are more compact than the plants of the cultivar ‘Themis’.
5. Plants of the new
Euphorbia
have more flowers per plant than the plants of the cultivar ‘Themis’.


REFERENCES:
UPOV ROM GTITM computer database GTI Jouve Software ‘Atlas’.

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