ムラサキツユクサは花弁の落ち着いた紫色に、葯の鮮やかな黄色が映えます。朝咲いて昼に萎れる１日花。花言葉も「ひとときの幸せ」です。
Spiderwort has a calm purple petal and a bright yellow anther. A one-day flower that blooms in the morning and withers in the afternoon. The flower language is also “a moment of happiness.”
【仮名】ムラサキツユクサ
【和名】紫露草
【英名】Spiderwort
【学名】Tradescantia
【誕生】06/ 15, 06/ 23, 08/ 05
【開花】05, 06, 07, 08, 09月
【花色】White, Pink, Purple, Violet
ムラサキツユクサ
ムラサキツユクサの来歴
ムラサキツユクサはツユクサ科の多年草です。原産地は北米のカナダ南部から中米の西インド諸島、南米のアルゼンチン北部まで。欧州へは17世紀に園芸植物として移入され、そこから世界中に拡大しました。日本へも明治時代初期に渡来。各地で旺盛に繁殖し、野生化が進みました。
ムラサキツユクサの葉
ムラサキツユクサ属の原種は75種ほど。「紫露草」のように真っ直ぐ立ち上がるものもあれば、「常磐露草」のように茎が這って伸びるものまであります。葉は細長い披針形で白っぽい緑色。互い違いに生えます。基部は鞘が茎を抱いて筒状。葉の先端は外に向かって垂れ下がります。
ムラサキツユクサの花
ムラサキツユクサの花は、花弁が３枚、雄しべが６本、花糸に紫色の毛が密生。花弁の落ち着いた紫色に、葯の鮮やかな黄色が映えます。朝咲いて、昼には萎れる１日花。そのため、花言葉も「ひとときの幸せ」です。そのほかに「尊敬しています」「快活」。花後は蒴果を結びます。
ムラサキツユクサの種類
北米東部原産で草丈が高い「紫露草」と、花が大きな「大紫露草」は、両者の交雑種「アンダーソニアナ」が広く流通しています。南米原産で花が真白な「常磐露草」は別名「野博多唐草」。メキシコ原産で光沢のある葉に銀白色の縦縞が入る「縞斑紫露草」は別名「ゼブリナ」です。
Spiderwort
History of Spiderwort
Spiderwort is a perennial plant of the Commelinaceae family. The place of origin is from southern Canada in North America to the West Indian Islands in Central America and northern Argentina in South America. It was introduced into Europe as a garden plant in the 17th century and has spread all over the world from there. They also came to Japan in the early Meiji era. It proliferated vigorously in various places and became wild.
Spiderwort leaf
There are about 75 original species of the genus Tradescantia. Some of them stand up straight like “Tradescantia ohiensis”, while others like “Tradescantia fluminensis” have stems that crawl and grow. The leaves are elongated lanceolate and whitish green. It grows alternately. The base is tubular with a sheath holding the stem. The tips of the leaves hang outward.
Spiderwort flower
The flower of Spiderwort has 3 petals, 6 male stamens, and dense purple hair on the filament. The vivid yellow of the anther shines in the calm purple of the petals. A one-day flower that blooms in the morning and withers in the afternoon. Therefore, the flower language is also “a moment of happiness.” Besides that, “I respect” and “cheerful”. After the flowers, the fruits are made.
Kind of Spiderwort
“Tradescantia andersoniana”, a hybrid of the tall “Tradescantia ohiensis” and the large flower “Tradescantia virginiana”, which are native to the eastern part of North America, are widely distributed. “Tradescantia fluminensis”, which is native to South America and has pure white flowers, is also known as “Nohakata Karakusa”. “Tradescantia zebrina”, which is native to Mexico and has silvery white vertical stripes on its glossy leaves, is also known as “Zebrina”.
