Table 1.
Number of grass species capable of abscising leaves in different regions; numbers within brackets denote species in subfamily Danthonioideae [11,17].
| Africa | Asia | Australia | Europe | New Zealand | North America | South America | worldwide | |
|---|---|---|---|---|---|---|---|---|
| persistent leavesa | 2537 (120) | 4002 (5) | 1297 (38) | 911 (2) | 385 (24) | 1760 (7) | 3113 (37) | 10 771 (234) |
| abscising leavesa | 45 (8) | 133 (2) | 32 (8) | 19 (0) | 38 (27) | 36 (1) | 111 (5) | 343 (56) |
| total | 2579 (127) | 4134 (5) | 1327 (45) | 930 (2) | 414 (49) | 1790 (8) | 3207 (41) | 11 089 (282) |
aPolymorphic and widespread species were tabulated in each relevant category. Species counts include endemic, indigenous and (except for the Danthonioideae) naturalized species.