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''Oxytropis campestris'', the field locoweed, is a plant native to the Northwestern United States and all Canada, sometimes grown as an ornamental plant. It is found in prairies, woods, and meadows, and prefers gravelly and rocky slopes, where it grows most abundantly. The plant has numerous variants. ==Description== ''Oxytropis campestris'' blooms flowers from May to July. These are racemes that are capitate or oblong, 4 to 15 cm in length. The plants have 8 to 32 flowers that rise from a scape. The actual flowers have five lobes and form a calyx tube. They are of a cream to yellowish color, but sometimes of pink, blue, or purple, with hairs that are usually black. The keel petals are pointed, and often have purple blotches. The plant also produces fruit which matures from July to September. These are legumes which are oblong-ovate 1.5 to 2 cm in length. They are mostly sessile and dehiscent from the tip. The fruit has membranous and contains many seeds. The plant grows perennially, with an acaulescent forb reaching 20 to 50 cm in height and has a taproot. Leaves grow alternately in a pinnate fashion and are usually 8 to 40 cm long. The leaves are dimorphic, with primary leaves short ovate leaflets, and secondary leaves with 11 to 33 leaflets. These secondary leaflets are 1 to 2.5 cm long. 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「Oxytropis campestris」の詳細全文を読む スポンサード リンク
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