| 词条 | Bidens bidentoides |
| 释义 |
|image = Bidens bidentoides drawing 02.png |image_caption = 1913 illustration[1] |status = |status_system = |status_ref = |genus = Bidens |species = bidentoides |authority = (Nutt.) Britton |synonyms_ref = [2] |synonyms =
}}Bidens bidentoides is an uncommon North American species of flowering plant in the daisy family. It is native to the northeastern and east-central parts of the United States, the coastal plain of the States of Maryland, Delaware, Pennsylvania, and New Jersey plus the region around the Hudson River estuary in New York.[3] Common name is Delmarva beggar-ticks, in reference to the Delmarva Peninsula in Delaware, eastern Maryland, and eastern Virginia.[4]Bidens bidentoides is an annual herb up to 90 cm (3 feet) tall. It usually produces flower heads one at a time, the heads containing both disc florets and ray florets. The species grows along the banks of streams and estuaries.[5] References1. ^1913 illustration from USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 496. 2. ^The Plant List, Bidens bidentoides (Nutt.) Britton 3. ^Biota of North America Program 2014 county distribution map 4. ^New York Natural Heritage Program, Delmarva Beggar-ticks, Bidens bidentoides (Nutt.) Britt. 5. ^Flora of North America, Bidens bidentoides (Nutt.) Britton External links
3 : Bidens|Flora of the Eastern United States|Plants described in 1841 |
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