Biological pigments, also known simply as pigments or biochromes are substances produced by living organisms that have a color resulting from selective color absorption. Biological pigments include plant pigments and flower pigments.
Biological pigments, also known simply as pigments or biochromes are substances produced by living organisms that have a color resulting from selective color absorption. Biological pigments include plant pigments and flower pigments.
The primary function of pigments in plants is photosynthesis, which uses the green pigment chlorophyll along with several red and yellow pigments that help to capture as much light energy as possible. Other functions of pigments in plants include attracting insects to flowers to encourage pollination.
Alba refers to a plant lacking in coloring pigments, meaning it will be white and/or green in a plant in which the type species has color.
Semi-alba is used to refer to a flower mostly meeting those same criteria, but the lip still is colored.
Example Dendrobium parishii
Dendrobium parishii (Normal Form has colour)
Dendrobium parishii -Var alba
(refers to a plant lacking in coloring pigments, )
Dendrobium parishii -Var Semi alba
( Semi-alba is used to refer to a flower lacking colouring pigments, but the lip still is colored.)
Dendrobium parishii Var semi alba “Black pearl”
( Semi-alba is used to refer to a flower lacking colouring pigments, but the lip still is colored In this case lip is another colour.)
seidenfadenia-mitrata ( Normal Form has colour )
seidenfadenia-mitrata var-alba
(refers to a plant lacking in coloring pigments, )
Filed under: Growing Tips, orchids Tagged: alba, orchids care, semi alba
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