Table 1.
Relationship between plant size and flower production in Sagittaria trifolia
| Total number of flowers | Number of male flowers | Number of female flowers | F/M ratio | |||||
| F | R 2 | F | R 2 | F | R 2 | F | R 2 | |
| Leaf weight | 30·671*** | 0·588 | 23·638*** | 0·524 | 38·114*** | 0·639 | 10·764** | 0·334 |
| Leaf length | 22·902*** | 0·516 | 16·880*** | 0·440 | 35·080*** | 0·620 | 10·905*** | 0·337 |
| Plant height | 19·854*** | 0·480 | 17·032*** | 0·442 | 19·758*** | 0·479 | 5·909* | 0·216 |
| Peduncle circumference | 38·708*** | 0·643 | 30·933*** | 0·590 | 45·005*** | 0·677 | 9·725** | 0·311 |
Dry mass of all leaves produced, length of the longest leaf, circumference of the largest peduncle (measured at the level of the lowest whorl of flowers) and height of each plant were measured for 45 plants from two cultivated populations.
*P < 0·01; **P < 0·001; ***P < 0·0001.