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''Zinnia angustifolia'', the narrowleaf zinnia, is a herbaceous flowering plant species of zinnia native to northern and western Mexico and naturalized in parts of the Southwestern United States. Hybrids between ''Z. angustifolia'' and other species of ''Zinna'' are popular garden plants. ==Description== ''Zinnia angustifolia'' is an annual or perennial growing up to 50 cm (20 inches) tall. The stems have many branches and the herbage is rough with short hairs. The 2–7 cm × 4–8 mm (0.8-2.8 × 0.16-0.32 inches)leaf blades are linear to narrowly elliptic. The heads of flowers have involucres that are mostly hemispheric (shaped like a globe that is cut in half), usually much less than 1 cm high (0.4 inches) or wide. The flowers have bright orange or sometimes yellow ray corollas,〔 but in cultivated plants, the flowers may be white or a variety of other colors. ;Varieties of wild populations〔 *''Zinnia angustifolia'' var. ''angustifolia'' *''Zinnia angustifolia'' var. ''littoralis'' (B.L.Rob. & Greenm.) B.L.Turner ;Cultivars This species has many cultivars belonging to three classes: *The Profusion series (''Zinnia angustifolia'' x ''elegans''): orange, cherry, double cherry, apricot, deep apricot, coral pink, fire or white flowers. *The Star series: orange, white or gold flowers. *The Crystal White cultivar: with white flowers. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Zinnia angustifolia」の詳細全文を読む スポンサード リンク
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