bicolor

[ bahy-kuhl-er ]

/ ˈbaɪˌkʌl ər /

Also bi·col·ored; especially British, bi·col·oured. having two colors: a bicolor flower.

a flag divided into two major areas of color.

Words nearby bicolor

Also especially British, bi·col·our.

From Latin, dating back to 1860–65; see origin at bi-¹, color

Punctata is probably the hardiest, but regia and bicolor are also hardy if planted about six inches deep.
The Book of Bulbs|Samuel Arnott
The horticultural characters of Bicolor are much the same as those of Aestivalis.
The Grapes of New York|U. P. Hedrick
The horticultural characters of Bicolor are much the same as those of stivalis.
Manual of American Grape-Growing|U. P. Hedrick
Like stivalis, Bicolor does not thrive on limy soils and it is difficult to propagate from cuttings.
Manual of American Grape-Growing|U. P. Hedrick

He makes the same remark for the allied forms (bicolor, saccharatus, etc.), which are often regarded as mere varieties.
Origin of Cultivated Plants|Alphonse De Candolle