|
''Krigia'' is a genus of North American flowering plants in the dandelion family. Plants of the genus are known generally as dwarf dandelions〔(''Krigia''. ) Flora of North America.〕 or dwarfdandelions.〔(''Krigia''. ) USDA PLANTS.〕 The species vary in morphology. They are annual or perennial herbs growing from a fibrous root system or a taproot. One species has rhizomes with tubers. The plants produce a single stem or up to 50 or more, usually growing erect, reaching a few centimeters to 75 centimeters tall. Most of the leaves are basal, but some stems have leaves higher up. The blades are often linear to lance-shaped, toothed or lobed, and borne on winged petioles. The flower heads are solitary, growing at the top of the stem or on stalks from the leaf axils. They contain up to 60 yellow or orange flowers. The fruit is a hairless, ribbed cypsela, sometimes with a pappus.〔 ;Species〔(Flann, C (ed) 2009+ Global Compositae Checklist )〕〔〔〔(GRIN Species Records of ''Krigia''. ) Germplasm Resources Information Network (GRIN).〕〔(''Krigia''. ) ITIS.〕〔(Biota of North America Program 2013 county distribution maps )〕 # ''Krigia biflora'' – twoflower dwarfdandelion, orange dwarfdandelion, tall dwarfdandelion - most of eastern, central, + southwestern USA plus central Canada # ''Krigia caroliniana'' - Hook. not Nutt. # ''Krigia cespitosa'' – weedy dwarfdandelion, common dwarfdandelion, opposite-leaved dwarfdandelion - southeastern + south-central USA # ''Krigia dandelion'' – potato dwarfdandelion, colonial dwarfdandelion, tuber dandelion - southeastern + south-central USA # ''Krigia integrifolia'' - Allegheny Mountains # ''Krigia montana'' – mountain dwarfdandelion - southern Appalachians # ''Krigia occidentalis'' – western dwarfdandelion - south-central USA # ''Krigia virginica'' – Virginia dwarfdandelion - eastern + south-central USA; Ontario, British Columbia # ''Krigia wrightii'' – Wright's dwarfdandelion - south-central USA〔 Amanda Neil (Editor)〕 ==References== 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「Krigia」の詳細全文を読む スポンサード リンク
|