Alpinia zerumbet 

Alpinia zerumbet, commonly known as shell ginger, is a perennial species of ginger native to East Asia. They can grow up to 8 to 10 ft (2.4 to 3.0 m) tall and bear colorful funnel-shaped flowers. They are grown as ornamentals and their leaves are used in cuisine and traditional medicine. They are also sometimes known as the pink porcelain lily, variegated ginger or butterfly ginger.

Alpinia zerumbet
Shell ginger as a streetplant
Shell ginger fruit dehiscing.
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Zingiberales
Family:	Zingiberaceae
Genus:	Alpinia
Species:	A. zerumbet
Binomial name
Alpinia zerumbet (Pers.) B.L.Burtt and R.M.Sm.
Synonyms
Costus zerumbet Pers. Alpinia cristata Griff. Alpinia fimbriata Gagnep. Alpinia fluvitialis Hayata Alpinia penicillata Roscoe Alpinia schumanniana Valeton Amomum nutans (Andrews) Schult. Catimbium speciosum (J.C.Wendl.) Holttum Languas schumanniana (Valeton) Sasaki Languas speciosa (J.C.Wendl.) Small Renealmia nutans Andrews Renealmia spectabilis Rusby Zerumbet speciosum J.C.Wendl.