Possible Clues:

• Log on B (anag.)
• Lozenge-shaped
• Slightly squashed?
• Like papaw leaves
• Overweight blondes, initially, yearn to get in shape
• Figure with opposite sides parallel, longer in one direction
• Overweight blondes, initially, yearn to get into shape
• Not at last the short flower of Russia, and that's about the shape of it
• Elongated rectangle
• Stretched-out shape