The most common and most likely answer to this crossword clue is the 9 letter word SUNFLOWER
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More clues leading to the result SUNFLOWER
- Wildfowlers besiege a French plant
- Oil source seen in Van Gogh’s art?
- Source of oil that’s seen in Van Gogh’s paintings
- Something bright and beautiful in tabloid — female sitting on cow!
- To the south, a French river which rises high
- Source of oil/fuel won battling in the borders of Salvador
- It’s blooming newspaper floating on river?
- Bloomer in newspaper with female getting humble
- Newspaper fine with subordinate making enormous bloomer
Buddy explains!

The straight part
We know that "Source of oil" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case source of oil = sunflower.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SUNFLOWER mean?
SUNFLOWER noun- Any plant of the genus Helianthus, so called probably from the form and color of its floral head, having the form of a large disk surrounded by yellow ray flowers.
- A bright yellow, like that of the flower petals.
- Any flat, radially symmetric organic compound such as coronene