Schematic diagram of L-, M-, and S-morphs in Pontederia crassipes. An L-morph flower has a long style, three short upper anthers, and three mid-length lower anthers; an M-morph flower possesses a mid-length style, short upper anthers, and long lower anthers; and an S-morph flower exhibits a short style, mid-length upper anthers, and long lower anthers.
Origin, tristyly and float formation of water hyacinth
Yunming Zhang, et al.
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