|Monocotyledon|| Literature for Alpinia purpurata
Wagner et al., 1991, 1999.
|Zingiberaceae -- The Ginger Family||Bibliography|
Common name(s): `awapuhi `ula`ula, red ginger
|Distribution||Native to New Caledonia, New Hebrides, British Solomon Islands Protectorate, Bismarck Archipelago, and Bougainville, widely cultivated and sometimes naturalized in the tropics.In the Hawaiian Islands, naturalized on Kaua`i, Moloka`i.|
||Leafy shoots 1-5 m tall (up to 7 m tall in cultivated forms).
||Leaves oblong, 30-70(-80) cm long, 10-22 cm wide, glabrous, apex short acuminate, sessile, ligules unequally 2-lobed, (5-)7-20 mm long, pubescent, sheaths pubescent at apex and along margins.
||Inflorescences terminal on leafy shoots, unbranched (occasionally branched in cultivated forms), basically cylindrical, 15-30 cm long, usually elongating considerably with age, primary bracts usually red (occasionally pink or white in cultivated forms), ovate or broadly obovate, 2.5-3 cm long at anthesis, elongating to 4-6 cm long in fruit, apex mucronate, persistent, rachis glabrous, glabrate, or rarely pubescent, cincinni 1-2(-5)-flowered, bracteoles reddish, tubular, 6-10 mm long, with a subapical spur; floral tube 2-2.7 mm long; calyx reddish, 1.7-2(-2.7) cm long, glabrous, each lobe with a subapical spur; corolla white, exserted just beyond primary bracts; labellum white, with 2 distinct lateral lobes and a central segment that is distinctly 3-lobed or subentire, about as long as corolla lobes; stamen 6-7 mm long; ovary 3-4 mm long, glabrous.
||Capsules nearly globose, 2-3 cm in diameter.
||Seeds ca. 3 mm long, angled.