Chenopodium atrovirens

Chenopodium atrovirens Rydb.
Mem. New York Bot. Gard. 1: 131. 1900.


[Chenopodium HOME]

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


Map:

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Field and Habitat Images


Type Specimens:

Rydberg & Bessey 3948
NY 324307 (Holotype)

US 360720 (Isotype)

 
F 81364 (Isotype)   K (Isotype)



Specimens:

DS 561273


DS 301490



DAV 84303



MO 1823891



NY
Schoolcraft 1363



Roos 6004
   
CAS 393595   DS 368841   RSA 79490



Nelson 3671
   
F 324283   NY 00324324   NY 00324325





     
CAS 639365
  CHSC 79988   NY
Mearns 2463
  SDSU 21918
Benet-Pierce 342



 
SDSU 21917   SDSU 21923




 
SDSU 21932   SDSU 21936




SDSU 21939







 
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
DeDecker 5529

UCR 169149
Goodrich 26806
 
US 689823
Standley+Bollman 11224








Website development by Lee Simpson. Contact: sdsuherbarium@sdsu.edu