| 词条 | Chenopodium atrovirens |
| 释义 |
|image = YOSE219555 Chenopodium atrovirens.jpg |genus = Chenopodium |species = atrovirens |authority = Rydb. |synonyms_ref = [1] |synonyms = *Chenopodium aridum A. Nelson
}} Chenopodium atrovirens is a species of flowering plant in the amaranth family known by the common names pinyon goosefoot and dark goosefoot. It is native to western North America, including southern Western Canada and most of the Western United States. It grows in many types of habitat, including open, sandy sites and disturbed areas, and in montane regions such as the Sierra Nevada, Peninsular Ranges, and Rocky Mountains. DescriptionIt is an annual herb growing an erect, branching stem up to about 60 centimeters tall, sometimes remaining much smaller. It is green to magenta in color and coated lightly in pinkish powdery dust. The leaves are oblong or oval and up to 3.5 centimeters long. They have smooth edges and sometimes have a few lobes. The inflorescence is a rounded cluster of many minute flowers. Each tiny flower has five slightly powdery lobes in its corolla, each barely visible. The fruit is oval in shape and about a millimeter long, coating the tiny seed loosely. References1. ^{{cite web|last=USDA|first=NCRS|title=Chenopodium atrovirens (pinyon goosefoot)|url=http://plants.usda.gov/java/profile?symbol=CHAT|work=USDA PLANTS|publisher=National Plant Data Center|accessdate=27 April 2011|location=Baton Rouge, LA|format=Online Database|year=2011}} External links{{Commons category|Chenopodium atrovirens}}
10 : Chenopodium|Flora of Western Canada|Flora of the Western United States|Flora of the Southwestern United States|Flora of Colorado|Flora of the Sierra Nevada (U.S.)|Flora of the Rocky Mountains|Flora of California|Flora of the California desert regions|Flora of North America |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。