Glossary of "Plant Biology (1st ed.)" by Graham et al. (2003)
- A photosynthetic accessory (carotenoid) pigment that helps plants harvest light during photosynthesis; confers yellow, orange, or red colors to plant parts; and is also an important nutrient in the diets of animals.
- Graham, L. E., Graham, J. M. & Wilcox, L. W. 2003. Plant Biology. -xxxv + 497 pp. Pearson Education, Inc., Upper Saddle River.