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.
It 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.
Chenopodium atrovirens is a species of flowering plant in the amaranth family known by the common names pinyon goosefoot and dark goosefoot.
Chenopodium atrovirens, es un especie de planta herbácea perteneciente a la familia Amaranthaceae.
Es una planta herbácea que tiene tallos erectos a ascendentes, por lo general muy ramificados, alcanzando un tamaño de 0.7-6.5 dm de altura. Hojas no aromáticas; pecíolo 0.5-1.5 cm, por lo general marcadamente ascendente curvo; hojas ovaladas, en general oblongas, oblonga- oval, triangular o de vez en cuando, de 1-3 × 0.4-2.2 cm, 1.5-3 veces más largas que anchas, base gruesa, redondeada a cuneada, los márgenes enteros. Inflorescencias en glomérulos terminales y axilares en espigas paniculadas de 2-8 × 1-1.5 cm. Los frutos son aquenios o utrículos ovoides; con pericarpio adherente o no adherente. Semillas 0.9-1.3 mm de diámetro, los márgenes agudos. testa negra. Tiene un número de cromosomas de 2 n = 18.[1]
Se encuentra en secos arenales y otros sitios perturbados, a una altitud de 100-3400 metros en Arizona, California, Colorado, Idaho, Montana, Nevada, Nuevo México, Oregon, Utah, Wyoming... .
Chenopodium atrovirens fue descrita por Per Axel Rydberg y publicado en Memoirs of the New York Botanical Garden 1: 131. 1900.[2]
Chenopodium: nombre genérico que deriva de la particular forma de las hojas similares a las patas de ganso: del griego "chen" = (ganso) y "pous" = (pie) o "podion" = (pie pequeño).
atrovirens: epíteto latino que significa "verde oscuro".[3]
Chenopodium atrovirens, es un especie de planta herbácea perteneciente a la familia Amaranthaceae.
Chenopodium atrovirens là loài thực vật có hoa thuộc họ Dền. Loài này được Rydb. mô tả khoa học đầu tiên năm 1900.[1]
Chenopodium atrovirens là loài thực vật có hoa thuộc họ Dền. Loài này được Rydb. mô tả khoa học đầu tiên năm 1900.