Cryptic crossword No 1,340

Across

1. Nobleman almost encountered unknown plant (8)
2. Chris cycling around river starts to appreciate reminder of the hours (6)
3. Sami gets round to displaying notebook (6)
4. Patty, more than once, is first to speak in parts (8)
5. A Greek oracle reads aloud where leading characters are seen (5)
6. Tea dance has reps removed (3)
7. Tree left in a wide space (3)
8. Very important planet’s famously mad character in government (5,10)
9. What carries Homeric expression to the west (3)
10. It’s agleam, occasionally (3)
11. Half of 9, a Northern Indo-European (5)
12. Herb (American) mangled Latin reading at first in company (8)
13. Guard lost money touring America (6)
14. Essential part of repast? A pleasure (6)
15. Here are images censor edited with extremes of emotion (2-6)

Down

1. Is Lovelace able to see Whistler here? (6)
2. Over the radio, F. Danson perhaps did dancing (10)
3. Every 4 years you get these unusual pay deals (4,4)
4. Old leader’s motor tours Zambia (4)
5. Main part of Murdoch publication without repetition (3,3)
6. For this reason, food poisoning’s down 50% (4)
7. Folkloric figure – one seen when crossing (with or without cross) (5,3)
8. King and military leader’s rift (5)
9. Royals rode around right at the start (5,5)
10. They disbelieve articles held up by independent saints (8)
11. ‘Do stay – I’m adaptable!’ exhibits this (8)
12. Group start to gawp at a girl (6)
13. Put straight line at ends ... only in the middle (6)
14. American record’s range (4)
15. It’s blown, but not broken evenly (4)