Some Points on the Floral Development of Red Clover (Trifolium pratense)
The approximate lengths of the different floral parts at the time the pollen mother cells are beginning to form pollen grains are as follows: Calyx, 1 mm.; corolla, ¼ mm.; longer stamens, ½ mm.; shorter stamens, ¼ mm.; pistil, ½ mm.
Proceedings of the Iowa Academy of Science
© Copyright 1912 by the Iowa Academy of Science, Inc.
Martin, J. N.
"Some Points on the Floral Development of Red Clover (Trifolium pratense),"
Proceedings of the Iowa Academy of Science, 19(1), 129-129.
Available at: https://scholarworks.uni.edu/pias/vol19/iss1/20