| 2026-06-21 | Tree whose leaves are eaten by [circled letters] |
| 2025-10-26 | Its leaves are eaten by giraffes |
| 2025-05-31 | Traditional wood for a ukulele |
| 2023-08-13 | Tree that yields gum arabic |
| 2023-05-30 | Thorny savanna tree |
| 2021-10-25 | Thorny tree |
| 2021-06-16 | Thorny tree |
| 2021-03-31 | Tree that's a favorite of giraffes |
| 2020-04-17 | Food for a giraffe |
| 2018-06-14 | Gum arabic source |
| 2017-08-19 | Tree favored by giraffes |
| 2016-01-03 | Gum arabic source |
| 2015-07-26 | Mimosa, for one |
| 2015-05-28 | Gum arabic source |
| 2015-03-10 | Thorny tree |
| 2014-09-18 | Tree in a giraffe's diet |
| 2012-03-16 | Whistling thorn, e.g. |
| 2007-11-25 | Tannin source |
| 2007-11-20 | Gum arabic-yielding tree |
| 2004-12-19 | Mimosa family member |
| 2004-10-10 | Mimosa family tree |
| 2003-08-24 | Small flowering tree |
| 2002-08-29 | Source of gum arabic |
| 2002-06-28 | Savanna shrub |
| 2001-10-28 | Mimosa, for one |
| 2001-06-28 | Mimosa-family tree |
| 2001-05-06 | Australia's national blossom |
| 2000-12-24 | Gum arabic tree |
| 2000-05-16 | Decorative tree |
| 1999-12-09 | Locust tree |
| 1999-04-18 | Small tree of the mimosa family |
| 1997-08-31 | Greenish-yellow hue |
| 1996-07-21 | Flowering shrub |
| 1995-12-26 | Locust |