Alpinia Roxb. >

Inflorescence branched. Stamens not exserted, lateral staminodes reduced to teeth or absent Alpinia
consider the other alternative
Inflorescence 2–8 cm long. Ligule 3–4 mm long. Leaves lanceolate, 12–25 cm long, 2–4 cm wide. Outer perianth 3–4 mm long: inner perianth tube 3–4 mm long. Labellum reniform. Lateral staminodes minute. Ovary 2 mm long, glabrous. Fruit blue-black. Herbs with erect leafy stems up to 1.5 m high. North from Wyong. WSF & RF. Fl. spring – summer Native Ginger Alpinia arundelliana