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笋兰,又称通兰,属名Thunia,系纪念十九世纪欧洲园艺学家Thun Hohenstein伯爵而命名。笋兰花大而美丽(见彩页),具芳香,且栽培便利,生长强健,在世界各国栽培甚为广泛。笋兰是落叶性地生兰,株高30～50厘米,有粗短的根状茎,茎粗壮,圆柱形,有节,顶端很细,外形如小竹笋,故在产地一般称之为石笋、岩笋。叶片灰绿色披针形,基部呈鞘状,抱茎互生,秋季落叶时,叶片基部膜质鞘残存。总状花序顶生,花茎短,有花3～7朵;花大,径达10余厘米,花瓣、萼片白色,卵状长椭圆形,唇瓣淡黄色,矩圆形,顶端近截平,缘有细锯齿,
Sunnyside, also known as Tung Lan, is a genus called Thunia, named after the memory of nineteenth-century European horticulturalist Earl Thun Hohenstein. Bamboo shoots large and beautiful orchid (see color pages), aroma, and cultivation convenience, strong growth, cultivation in a wide range of countries in the world. Bamboo shoots orchid is a deciduous, orchid, plant height of 30 to 50 cm, a stout rhizome stalks stout, cylindrical, nodal, the top is very thin, the shape of small bamboo shoots, it is generally called the origin of stalagmites , Rock shoots. Leaf blade gray-green lanceolate, base was sheath-like, holding the stem alternate, the autumn leaves, the leaf base membranous sheath remains. Racemes top, short stems, flowers 3 to 7; flowers large, diameter of more than 10 cm, petals, sepals white, ovate oblong, lip pale yellow, oblong, Edge serrated fine,