ツルニチニチソウは、耐寒性、耐陰性、耐乾性に優れ、繁殖力も旺盛な常緑蔓性。地面や石垣などを這い、節から根を出しながら広がります。
Bigleaf periwinkle is an evergreen vine with excellent cold resistance, negative resistance, drought resistance, and vigorous fertility. It crawls on the ground and stone walls and spreads while taking root from the knots.
【仮名】ツルニチニチソウ
【和名】蔓日々草
【英名】Bigleaf Periwinkle
【学名】Vinca major
【誕生】02/ 24, 04/ 09, 04/ 10
【開花】03, 04, 05, 06月
【花色】White, Violet, Blue
ツルニチニチソウ
ツルニチニチソウの生態
ツルニチニチソウはキョウチクトウ科の多年草。原産地は南欧州です。観賞用で広がり、北米、南米、豪州、日本に帰化。常緑蔓性なので繁栄と幸福がもたらされるという伝承もあります。花言葉は「幼なじみ」「生涯の友情」「朋友」「若い友情」「楽しい思い出」「優しい追憶」。
ツルニチニチソウの名前
ツルニチニチソウの名前の由来は蔓性で、同じキョウチクトウ科の「日々草」に花の形が似ているから。繁殖力も非常に旺盛です。ただし、花の中の柱頭は円盤状で、毛の生えた突起物があり、葉も幅広。同じように有毒ですが、主要成分は異なり、「インドールアルカロイド」です。
ツルニチニチソウの分類
ツルニチニチソウはツルニチニチソウ属です。日本で一般的な種は次の２つ。暑さに強い「ツルニチニチソウ」と、寒さに強く、花や葉の小さい「ヒメツルニチニチソウ」です。なお、「ツルギキョウ」とも呼ばれますが、キキョウ科に同名の多年草があり、そちらのほうが標準和名。
ツルニチニチソウの利用
ツルニチニチソウは耐寒性、耐陰性、耐乾性に優れる常緑蔓性。地面や石垣などを這い、節から根を出しながら広がります。おもに吊り鉢やグランドカバープランツなどに利用。斑入りの品種は花付きがよくないものの、斑の色に白と黄があり、模様もいろいろあって人気があります。
Bigleaf Periwinkle
Ecology of Bigleaf periwinkle
Bigleaf periwinkle is a perennial plant of the Apocynaceae family. The place of origin is South Europe. Spread for ornamental purposes and naturalized in North America, South America, Australia and Japan. There is also a tradition that the evergreen vine brings prosperity and happiness. The flower language is “childhood friend,” “lifelong friendship,” “friendship,” “young friendship,” “fun memories,” and “gentle recollection.”
The name of the Bigleaf periwinkle
The origin of the name of the Bigleaf periwinkle is vine, and the shape of the flower is similar to the “Madagascar periwinkle” of the same Apocynaceae family. The fertility is also very strong. However, the stigma in the flower is disk-shaped, with hairy protrusions, and the leaves are wide. Equally toxic, but with a different main ingredient, “indole alkaloids”.
Classification of Bigleaf periwinkle
Bigleaf periwinkle is a genus of periwinkle. The following two species are common in Japan. “Periwinkle” which is strong against heat and “Myrtle” which is strong against cold and has small flowers and leaves. It is also called “Tsurugikyo”, but there is a perennial plant with the same name in the Bellflower family, which is the standard Japanese name.
Use of Bigleaf periwinkle
Bigleaf periwinkle is an evergreen vine with excellent cold resistance, negative resistance, and drought resistance. It crawls on the ground and stone walls and spreads while taking root from the knots. Mainly used for hanging pots and ground cover plants. Variegated varieties do not have good flowering, but the colors of the variegation are white and yellow, and there are various patterns, so they are popular.
