Noun | 1. | ![]() plant genus - a genus of plants family Zingiberaceae, ginger family, Zingiberaceae - a family of tropical monocotyledonous plants of order Musales Alpinia galanga, galangal - southeastern Asian perennial with aromatic roots Alpinia officinalis, Alpinia officinarum, lesser galangal - Chinese perennial with pyramidal racemes of white flowers and pungent aromatic roots used medicinally and as flavoring Alpinia purpurata, red ginger - an ornamental ginger native to Pacific islands Alpinia speciosa, Alpinia Zerumbet, Languas speciosa, shall-flower, shell ginger, shellflower - cultivated for its shining oblong leaves and arching clusters of white flowers with pink shading and crinkled yellow lips with variegated magenta stripes |