Sylphic Goldleaf

Sylphic Goldleaf is a currency.

Source
Sylphic Goldleaves can be obtained as a reward the following quests:
 * A Sticky Situation
 * Bane of the Barbs
 * Boar Wars
 * Clearing the Air
 * Mist Opportunities
 * Moxia's Magnum Opus
 * No Root for You
 * Podling Peril
 * Ripe for the Picking
 * Sympathy for the Sentinel

Uses
Sylphic Goldleaves are used to purchase items from the following vendors:
 * Sylphic Vendor