Hedychium
ヘデキウムの花 [hedechium no hana] or 'hedechium flower' in Japanese.
Grimoire of the Rift

Buy: - (sell: 250 gil)
Use: Queen of Clubs, Shamshir, Vajra, Platinum Armor
Treasure: Bonga Bugle - Skyfrost (repeatable), What Was Lost x2 (once)
Type: Flora, Rank: ★
Description: This blue flower glows faintly at night. Its sweet nectar is a favorite of children.
Final Fantasy Tactics S

Buy: - (sell: 50 gil)
Use: Boomerang, Ring of Protection
Obtain: Spirit Country Iisa/Rhije Orda
Description: A somewhat uncommon plant
Category: Item