Four species of flax are native to Colorado. Meadow flax, Linum pratense, is blue in color like Lewis flax but is annual, whereas Lewis flax is perennial. Two other native flax species have yellow ...

Inhibition of Vernalization in Linum usitatissimum Linn. by Certain Synthetic Hormones S. C. CHAKRAVARTI 1 Nature volume 174 , pages 461–462 ( 1954 ) Cite this article ...