| 词条 | Gaillardia arizonica |
| 释义 |
| image = | genus = Gaillardia | species = arizonica | authority = A.Gray 1884 | synonyms_ref = [1] | synonyms =
}}Gaillardia arizonica, the Arizonia blanketflower,[2] is a species of flowering plant in the sunflower family. It is native to northwestern Mexico (Sonora)[3] and the southwestern United States (Arizona, southern Nevada, southern Utah).[4]Gaillardia arizonica grows in sandy washes and alluvial deposits in desert regions. It is an annual herb up to {{convert|40|cm|in|abbr=on}} tall leaves mostly crowded around the base. Each flower head is on its own flower stalk up to {{convert|35|cm|in|abbr=on}} long. Each head has 10-16 yellow or orange ray flowers surrounding 40-100 yellow disc flowers.[5] References1. ^The Plant List, Gaillardia arizonica A. Gray 2. ^{{PLANTS|id=GAAR2|taxon=Gaillardia arizonica|accessdate=16 July 2015}} 3. ^Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100. 4. ^Biota of North America Program 2014 county distribution map 5. ^Flora of North America, Gaillardia arizonica A. Gray., 1884. External links
7 : Gaillardia|Flora of Arizona|Flora of Nevada|Flora of Sonora|Flora of Utah|Plants described in 1884|Taxa named by Asa Gray |
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