A genus in the Liliaceae family (APG classification: Asparagaceae). A bulbous plant native to Europe, Africa, and Western Asia, with approximately 100 known species. The flowers have six tepals and grow in racemes or corymbs on leafless flower stalks. Most flowers are white, although yellow varieties are rare. Horticulturally superior varieties are cultivated for flower beds and for cut flowers. [Yoshiaki Hiragi March 20, 2019] kindsO. arabicum L. is native to the Mediterranean coast, and produces 6-12 pure white flowers in a raceme on a 50-60 cm flower stalk. The large black pistils contrast beautifully with the perianth. Planting is from mid-October to late November, and the flowering season is in May. When the leaves wither in summer, dig up the plant. O. umbellatum L. is native to the Mediterranean coast, and is a cold-resistant dwarf species. The stems are 20-30 cm tall, and the flowers are white with green undersides of the petals. It is suitable for flower beds and potted plants. O. thyrsoides Jacq. is native to South Africa, and produces dense white flowers in a panicle. It is cultivated for cut flowers as the flowers last a long time. [Yoshiaki Hiragi March 20, 2019] Ornithogalum umbellata. It produces 6-petal white flowers in May. It is suitable for flower beds and potted plants. ©Seishohmaru "> Ooamana Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
ユリ科(APG分類:キジカクシ科)の1属名。ヨーロッパ、アフリカ、西アジア原産の球根草で、約100種知られている。花は6花被片(かひへん)からなり、無葉の花茎に総状または散房花序をつける。花色は多くは白で、まれに黄色種もある。園芸的に優れた種類が花壇用や切り花用として栽培される。 [平城好明 2019年3月20日] 種類アラビカム(和名クロホシオオアマナ)O. arabicum L.は地中海沿岸原産で、50~60センチメートルの花茎に、純白の花を6~12個総状に開く。雌しべが大きく黒色で、花被との対照が美しい。植え付けは10月中旬から11月下旬で、花期は5月。夏に葉が枯れたら掘り上げる。ウンベラータム(英名スター・オブ・ベツレヘム、和名オオアマナ)O. umbellatum L.は地中海沿岸原産で、耐寒性のある矮性(わいせい)種。茎は高さ20~30センチメートル、花は白色で花弁の裏は緑色。花壇や鉢植えに適する。シルソイデスO. thyrsoides Jacq.は南アフリカ原産で、円錐(えんすい)花序に白色花を密につける。花もちがよいので切り花用に栽培する。 [平城好明 2019年3月20日] オーニソガラム・ウンベラータム。5月、6弁の白色花をつける。花壇や鉢植えに適する©Seishohmaru"> オオアマナ 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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