Ornithogalum dubium - Ornithogalum dubium

...The flowers are mostly white, with thick petals and long lasting blooms. The main species are Ornithogalum arabicum L. (native to Asia Minor, flower stalk about 50 cm, flowers that bloom in May are milky white with a black ovary in the center, large bulbs suitable for cut flowers), O. umbellatum L. (English name star-of-Bethlehem, native to the eastern Mediterranean coast, dwarf, flowers that bloom in April to May are white), O. narbonense L. (native to the eastern Mediterranean coast, plant height about 40 cm, suitable for cut flowers, flowers that bloom in May are white), O. thyrsoides Jacq . (native to South Africa, plant height about 60 cm, half-cold hardy, suitable for cut flowers, flowers that bloom in May are white), and O. caudatum. Art. (native to South Africa, green-white flowers, weak cold resistance), Ornithogalum dubium O. dubium (native to South Africa, planted in spring, flowers are orange to yellow), Ornithogalum sandersiae O. sandersiae Baker (tall, milky white flowers and black ovaries). They are cultivated by planting shallowly in pots and treated like ornamental plants.

*Some of the terminology that mentions "Ornithogalum dubium" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…花は白色が多く，花弁が厚く花もちが良い。おもな種としては，オーニソガラム･アラビクムO.arabicum L.(小アジア原産，花茎約50cm，5月に咲く花は乳白色で中心の子房は黒色，切花向き大球性)，オオアマナO.umbellatum L.(英名star‐of‐Bethlehem，東部地中海沿岸地方原産，矮性で4～5月に咲く花は白色)，オーニソガラム･ナルボネンセO.narbonense L.(東部地中海沿岸原産，草丈約40cm，切花向き，5月に咲く花は白色)，オーニソガラム･シルソイデスO.thyrsoides Jacq.(南アフリカ原産，草丈約60cm，半耐寒性，切花向き，5月に咲く花は白色)，オーニソガラム･カウダツムO.caudatum Art.(南アフリカ原産，緑白色花，耐寒力弱い)，オーニソガラム･デュビウムO.dubium(南アフリカ原産，春植えで花は橙～黄色)，オーニソガラム･サンデルシアエO.sandersiae Baker(高性，花は乳白色で子房は黒色)などがある。　栽培は鉢に浅植えし，観葉植物と同じ扱いをする。…

※「オーニソガラム・デュビウム」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報