1. Modified leaves Scale-like
Leaf shaped like a small scale or awn (Juniper, Cedar)

2. Modified leaves Needle leaves
Long, slender, tubular or triangular leaf (Pine, Fir)

3. Modified leaves
Bract
A modified (often reduced) leaf holding a flower or flower cluster, usually coloured (Poinsettia, Bougainvillea)

4. Modified leaves Cataphyll
A reduced leaf, usually modified for protection, such as bud scales or rhizome scales. Function is to protect the bud (e.g. Pear)

5. Modified leaves
Spines on cacti are actually leaves. The photosynthesis is carried out by the green stems
Bracts on poinsettias are actually not petals, but leaves around the tiny yellow flowers
Tendrils for grasping

6. Modified leaves Tendril
Slender, twining, modified leaf with the role of clinging to objects for support (Grape, Cucumber, Passion flower)

7. Modified leaves
Storage
Leaf modified for food storage (Onion, Tulip)

8. Modified leaves Succulence
Thick, fleshy leaf, usually modified for water storage (Crassula, Portuluca, Aloe , Sedum)

9. Modified leaves
Spine
A leaf or leaf part modified into a sharp point (Cactus)

10. Modified leaves Trichome or hair
Hair-like outgrowths of epidermal cells of leaves.
(Geranium, Solanum, Begonia)