Your search for "Powder leaf" revealed the following:

Conifer 3cm 7pcs, 5cm 10pcs, 7cm 3pcs Variety pack : Sakatsuu Finished product Non scale 7702

Powdery material Real Sand (0.03-0.6mm) Natural : Norin material Non-scale TR-02

Hardwood leaves (green) : Joe-Fix Material 1:35 scale JF256

Powdery material Real Sand (0.03-0.6mm) Off-white : Molin Material Non-scale TR-01

Maple leaves (green) : Jo-Fix material 1:35 scale JF255

Branches and leaves of the oak tree (N) - Autumn : Miniatures Nature Materials Non-scale 980-13

Branch and leaves of the oak tree (HO) - Autumn : Miniatures Nature Materials Non-scale 980-23

Peeled type (Weed Forest Green) 12mm height : Martin Uhlberg Non-scale WB-LWFG

Coconut palm leaves : Japanese Takumi Materials 1:144 A-41

Coconut palm leaves : Japanese Takumi Materials 1:72 A-40