Table 1. Height, root collar diameter, and crown diameter and flower abundant per tree of R. pseudoacacia in three regions.
| Region | Location | Height (m) | Root collar diameter (cm) | Crown diameter (m) | No. of flower per inflor. (ea)1 | No. of flower per tree (ea) |
| Suwon | 37°16'3.2"N126°56'49"E | 5.7 (3.4-9.3) | 9.2 (4.5-14.8) | 4.1 (2.3-6.8) | 23.7±0.7 (19.2-28.6) | 32,322 (7,898-71,305) |
| Boryeon | 36°19'21.7"N126°38'18"E | 4.6 (2.9-8.3) | 7.8 (4.0-19.3) | 3.7 (2.2-7.2) | 23.2±0.8 (16.5-28.0) | 19,534 (6,076-67,495) |
| Cheorwon | 38°14'39.0"N127°27'53"E | 8.0 (5.2-13.0) | 17.1 (7.0-33.0) | 5.5 (2.9-7.6) | 25.1±0.8 (18.0-29.7) | 45,994 (19,258-99,158) |
The number of flowers per inflorescence was determined by sampling 20 inflorescences from each of the study trees.
The number in parentheses indicates a range.