1) Bent back 2) Crooked 1) Crooked 
bent sharply back or down.
bent or turned downward
suddenly bent backwards
Bent back. 
• (a.) Bent backward or outward.
Bent backwards.
abruptly bent or curved downward
Bent backwards or downwards towards the stem.
Bent sharply downwards or backwards. ... (09 Oct 1997) ... 
Synonymous with recurved.
abruptly bent or curved downward
Projecting downward.
Turned downward.
Bent down or back
Re·flexed' adjective Bent backward or outward. 
Bent down or back
Abruptly recurved or bent downward or backward.
suddenly bent backwards
Turned down or curved backwards.
[adj] - (of leaves) bent downward and outward more than 90 degrees
adjective (of leaves) bent downward and outward more than 90 degrees
A petal or tepal that is bent back.