Etymology |
From the latin ‘atro: dark (from atratus = blackened, dark) and virens: green;dark green |
Description: |
Stem 3-5 dm. high, branched, striate, obtusely angled; leaves slender-petioled, broadly ovate, obtuse, truncate, or the upper mucronate, entire, sometimes slightly hastately lobed at the base, three-nerved, very dark green, only sparingly mealy, rather thick and somewhat flashy, 1-3 cm. long and 5-15 mm. wide; flowers in small spike-like glomerulus in the axils of the leaves and in compound interrupted spikes at the ends of the branches, very small and sparingly mealy seeds lenticular, 1 mm. long, almost black, smooth, easily separating from the pericarp. - Rydberg |
Distribution: |
USA: AZ, CA, CO, ID, MT, NM, UT |
Synonyms: |
Chenopodium aridum A. Nelson Chenopodium fremontii S. Watson var. atrovirens (Rydb.) Fosberg Chenopodium wolfii Rydb. |
Type: |
Rydberg & Bessey 3948: NY 324307 (Holotype); US 360720, F 81364, K (Isotypes) |
Website Info: |
We thank all the Herbaria who have very generously have allowed us to display their images. All images with a RED outline were either provided by the linked Herbaria or given us access to their website to obtain such images, or they were scanned while on loan to us. Please see the credits and further information by clicking on the Herbaria acronyms. The specimens’ images without such red outline, were taken by us during our research visits. All fruit and seed images have been taken with the Visionary Digital Microscope System Dun, Inc. Palmyra, VA by Lee Simpson at San Diego State University. Website development by Lee Simpson. Contact: sdsuherbarium@sdsu.edu |
Specimens:
CAS 639365 |
CHSC 79988 | NY Mearns 2463 |
SDSU 21918 Benet-Pierce 342 |
SDSU 21917 | SDSU 21923 |
SDSU 21932 | SDSU 21936 |
ARIZ 129765 |
ARIZ 182644 |
BRY 221869 |
BRY 5585 |
CAS 458022 |
CAS 639347 |
CAS 639365 |
CHSC 79988 |
GH Vasey 484 |
GH Wahl 21920 |
JEPS 85081 Cooke 64227 |
MO 1144846 Garrett 7067 |
MO 2060934 |
NY 990871 |
NY Christ 5659 |
NY Tweedy 32 |
SDSU 20805 Benet-Pierce 502 |
SDSU 21913 Benet-Pierce 338 |
SDSU 21914 Benet-Pierce 339 |
SDSU 21916 Benet-Pierce 340 |
SDSU 21920 Benet-Pierce 344 |
SDSU 21921 Benet-Pierce 345 |
SDSU 21922 Benet-Pierce 346 |
SDSU 21929 Benet-Pierce 353 |
SDSU 21938 Benet-Pierce 359 |
UC 311739 Lloyd 3266 |
UCR 110336 |
UCR 169149 Goodrich 26806 |
US 689823 Standley+Bollman 11224 |