Quote:
Originally Posted by rsfrid
Doesn't alba mean "white"? Where is the white coloration? Just curious. Nice blossom Marco.
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This is an excellent question, and addresses a much misunderstood section of color forms. Alba is used generically these days for flowers that lack the ability to create red pigments. In the case of the Valentinii, take away the normal red pigments then what remains is the greenish base color.
By definition alba is equivalent to white, but variations of albino descriptions are used depending on what color the flower is. For example, you could say alba, album, albinum for white flowers. Aureum is a gold yellow, flavum is yellow, alboflavum is white and yellow, viride or virens is green, and alboviride is white and green.
Also, there are terms like semi-alba, albescens (almost but not quite alba).