| TREERINGS | Inner concentric annual circles of arboreal trunks that, although "silent xylematic historians", reveal to dendrochronologists a veritable forest of botanical data including age, past climates and eve |
| ONION | Bulb eaten as a vegetable whose inner concentric rings were thought to symbolise eternal life by the ancient Egyptians (5) |
| LOGS | Arboreal trunks, sometimes hollowed to make dugout canoes or monoxylons; or, ships' journals (4) |
| HOSES | Trunks that hold water, we hear (5) |
| TREERING | Annual circle in a trunk showing its age (4,4) |
| ELEPHANT | Very large mammal, with a trunk, that lives in Africa or Asia (8) |
| BOLE | Arboreal trunk |
| YEARROUND | Annual circle? (4-5) |
| PUN | A play on words or Dryden's "lowest form of wit" that, although central to wordplay, has a somewhat recent and debated origin (3) |
| OVOLO | An echinus-like quarter-round or thumb that, although a "little egg", is an enduring foundational element and proverbial mighty oak in the realms of architecture (5) |
| CREPEPAPER | Tissue-thin crinkled crafting matter that, although originally likened to black mourning fabric, is colourful, vibrant and used to make a garland, origami immortelle, party streamer, pompom or vivid r |
| RINGS | Concentric inner circles of tree trunks indicating annual timber growth (5) |
| EUCALYPTUS | Contrive a pretty clue. Use: "Home of arboreal marsupial" (10,4) |
| TREE | Contrive a pretty clue. Use: "Home of arboreal marsupial" (10,4) |
| OAKBEFOREASH | Drier part of arboreal folklore (3,6,3,2,3,1,6) |
| INFORASPLASH | Drier part of arboreal folklore (3,6,3,2,3,1,6) |
| CHARCOALBURNER | His work involves sort of arboreal crunch? (8,6) |
| POLARBEAR | Soft sort of arboreal animal used to a cold climate (5,4) |
| SPHERES | Word for globes, orbs or planets; vaults of heaven; circles of society; fields of activity; or, walks of life (7) |
| RING | A band of gold or silver, sometimes set with gems; an "elf circle" of champignon mushrooms on a woodland floor; one of the concentric markings in the trunk of a tree; or, a disc of matter orbiting Sat |
