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老虎须(Tacca chantrieri),又名老虎花、蒟蒻薯等,蒟蒻薯科蒟蒻薯属植物,是近年来市场上十分畅销的珍稀观赏花卉,原产于我国的华南、西南以及印度北部等地区,新加坡、老挝、越南、马来西亚、泰国等地也有分布。老虎须为多年生草本。根状茎粗大,叶基生,长圆形或长圆状椭圆形,长20cm～50cm,宽7cm～14cm,叶色碧绿,观赏价值高。花葶较长,两性花,总苞片4枚,外轮2枚卵状披针形,紫黑色,内轮2枚阔卵形,淡绿色,颇具特色,特别是小苞片线形,极长,披散而下,似老虎的胡须,十分独特,伞形花序有花5～7朵。老虎须的果实为浆果,花果期4月～11月,单花观赏期约为15～20天。
Tacca chantrieri, also known as tiger flower, 蒟 蒻 potato, 蒟 蒻 Potato 蒟 蒻 potato genus, is the market in recent years is very popular rare ornamental flowers, native to China’s southern China, southwest and northern India and other regions, Singapore, Laos, Vietnam, Malaysia, Thailand and other places are also distributed. Tiger must be a perennial herb. Rhizome thick, basal leaves, oblong or oblong oval, length 20cm ~ 50cm, width 7cm ~ 14cm, green leaf color, ornamental value. Scape long, bisexual flowers, total bracts 4, outer 2 ovate-lanceolate, purple-black, 2 round oval, pale green, distinctive, especially bracteoles linear, extremely long, Plover down, like a tiger’s beard, is very unique, umbel flowers 5 to 7 flowers. The fruit of the tiger mustard is a berry. The flower period of April to November is about 15 to 20 days.