Cryptic crossword No 4,032

Across

1. Bird loses tail before shortly becoming more swollen (7)
2. Coach reversed against tree-brilliant! (7)
3. Land fish (5)
4. Friendly remark in passing left out poor folk (9)
5. Old Roman has a vice some might say? (7)
6. Nipper is maladjusted prince (6)
7. Alien character found in number of elements could be source of immortality (3,4,2,4)
8. Get away with relative to tour Virginia (6)
9. Odd bits of sisal and tree improvised for support in the past (7)
10. Surprisingly Erica Hays is comfortable in this (4,5)
11. Expert's scam with money (5)
12. Most exclusive position occupied by that woman (7)
13. Bellyache cycling in plantation (7)

Down

1. Thoroughly water small tree (4)
2. Sample of largely transparent beetles' wing covers (6)
3. Preparing to retry possibly 50% of US prison (10)
4. Yorkshire batsman cuts, some pulled out of the ground (4,5)
5. Etna erupting over Naples for example shows power (8)
6. Enliven weak clue? (4,2)
7. Earth for one tree with leaves for drink delivered (6)
8. Tree when becoming the most ancient? (6)
9. Friend Mike gives a hand (4)
10. Fundamental matter created if tree transport system's head is dismissed (4)
11. Wicked vizier's beheaded some distance from here (4)
12. Group above reproach initially excluded from trial of senior monk (8)
13. Tree you reportedly missed in general (6)
14. Launch of boat is hard work for man on board (6)
15. Announced experiment with trees to make aircraft (9)
16. Fighting and throwing fits Pentman approaches copper with very loud shouting at first (10)