Related Clues:

• Developer's land unit
• Aspen, for one
• Sodom evacuee
• Ygdrasil or rowan
• House builder's purchase
• Builder's buy
• Apple, plum or pear, e.g.
• Yggdrasil, e.g.
• Almond, e.g.
• Koala's hangout
• Tract of land
• Genealogist's drawing
• Pre-Christmas buy
• See 57 Across
• See 38 Down