(L.) Roscoe ex Sm.
Zingiber zerumbet is a species of plant in the ginger family with leafy stems growing to about 1.2 m (3.9 ft) tall. It originates from Asia, but can be found in many tropical countries. Common names include: awapuhi, bitter ginger, shampoo ginger (Malay = lempoyang) and pinecone ginger.
Zingiber zerumbet is a perennial. From autumn until spring it goes dormant above ground as the leafy stems shrivel and die away, leaving the pale brown, creeping stems (rhizomes) at ground level. In the spring, the plant springs up anew. The 10-12 blade-shaped leaves 15–20 cm long grow in an alternate arrangement on thin, upright stem to 1.2 m (3.9 ft) tall. Among the leafy stems, the conical or club-shaped flower heads burst forth on separate and shorter stalks. These appear in the summer, after the leafy stems have been growing for a while. The flower heads are initially green and are 3 to 10 cm (1.2 to 3.9 in) long with overlapping scales, enclosing small yellowish-white flowers that poke out a few at a time. As the flower heads mature, they gradually fill with an aromatic, slimy liquid and turn a brighter red color. The flower stalks usually remain hidden beneath the leaf stalks.
The leaves and leaf stalks, which are also fragrant, were used in baking in the imu, underground oven, to enhance the flavor of pork and fish as they cooked. Traditionally, the aromatic underground rhizomes were sliced, dried, and pounded to a powder, then added to the folds of stored kapa (tapa) cloth.
Perhaps the most common use of 'awapuhi is as a shampoo and conditioner for the hair and is also used in massage. The clear, slimy juice present in the mature flower heads is excellent for softening and bringing shininess to the hair. It can be left in the hair or rinsed out. Hawaiian women often pick or cut the flowerheads of this plant in the forest, as they approach a pool or waterfall for a refreshing summer bath, leave the flowers atop a nearby rock, and then squeeze the sweet juices into their hair and over their bodies when the swim is completed.
- The Plant List: Zingiber zerumbet
- Roscoe ex Sm. (18060 In: Exot. Bot. 2: 105
- Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2014). "Species 2000 & ITIS Catalogue of Life: 2014 Annual Checklist". Species 2000: Reading, UK. Retrieved 14 July 2018.
- "Zingiber zerumbet". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 9 August 2015.
-  "Floridata – Zingiber zerumbet", Retrieved 2014-03-18
- The Plant List: Zingiber zerumbet subsp. cochinchinense (retrieved 18/9/2017)