Chenopodium simpsonii

Chenopodium simpsonii Benet-Pierce
Madroño 66: 70 (2019)


[Chenopodium HOME]

Etymology:
Named in honor of Southern California Botanist, Taxonomist, and Professor of Botany at SDSU, Michael G. Simpson (1953- )
Description:

Erect annual, ~7 dm high, branched, side branches weak. Leaf blades petiolate, narrowly lanceolate, ~ 2 cm long by ≤ 1 cm wide, base cuneate and apex acute, rarely lobed, entire. Upper blades narrowly elliptic, ~2 cm long by ~ .4 cm wide, apex and base acute. Inflorescences are terminal and axillary panicles of glomerate spikes, ~ 25 cm. with sessile flowers ca. 1 mm in diameter. Fruits oblate to occ conical ≤ 1.2 mm by ~ .6 mm wide, with round or occ acute equatorial margin. Pericarp adherent, thick, brown with a pattern of alternating faint reddish or yellow lines, from the center to the margin. Pericarp starts with lines that become faint as it ages.

Distribution:
California: Los Angeles, Riverside, San Bernardino, and San Diego counties.
Synonyms:
None.
Type:

Sanders 14159, 31 July 1993 (UCR-132956)
      USA: California, San Bernardino Co., Mill Creek Canyon, Forest Service Road 1N12 (toward Morton Peak and Warm Spring Canyon), 0.1-0.25 mile above Mill Creek Road, 34.10639 -117.02889, 1006 meters elevation

Website Info:

We thank all the Herbaria who have very generously have allowed us to display their images.
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



Distribution of examined specimens:

(If map does not load, click here)



Type specimen:
Chenopodium simpsonii
Sanders 14159, 31 July 1993 (UCR-132956)
USA: California, San Bernardino Co., Mill Creek Canyon, Forest Service Road 1N12 (toward Morton Peak and Warm Spring Canyon), 0.1-0.25 mile above Mill Creek Road
34.10639 -117.02889, 1006 meters elevation


Exemplar specimens:
 
SDSU 26515
Benet-Pierce 999

 
SDSU 25434
Benet-Pierce 943


 
SDSU 26434
Benet-Pierce 981


 
SDSU 26429
Benet-Pierce 976


 
SDSU 26443
Benet-Pierce 991

 
SDSU 26475
Benet-Pierce 1025

SDSU 26450
Benet-Pierce 998

Chenopodium simpsonii
S. M. Leininger 274, 12 July 2008 (SD257942)
USA: California, San Diego Co., Palomar Mountain, 33.31135, -116.8631 1596 meters elevation





UCR 223149
RSA 774180
Chenopodium simpsonii
Swinney 11333,
22 July 2009


Chenopodium simpsonii
Gander 6808, 20 Sep 1938 (SD22874)


Chenopodium simpsonii
A.C. Sanders 35755, 11 July 2008 (UCR-193752)


Chenopodium simpsonii
Sharon Dougherty s.n., 18 Sept 1997 (UCR-132651)
USA: California, Los Angeles County, San Gabriel Mtns., Kratka Ridge, Angeles National Forest)
34.35167, -117.89833, 2073 meters [Note: longitude entered incorrectly on label; -47˚ changed to -117˚]



Chenopodium simpsonii
J. Rebman 20327, 15 Aug 2010 (SD209644)
USA: California, San Diego, Southwest of Combs Peak: canyon off of Chihuahua/Lost Valley Road just northwest of Sky Oaks Field Station
33.38207 -116.62718, 1405 meters


Chenopodium simpsonii
F. F. Gander 4465, 16 Sep 1937 (SD18748)
USA: California, San Diego Co., Pine Valley, 32.83589, -116.53068


 
NY3337210
GH

Chenopodium simpsonii
Wahl 21753, 26 Aug 1966
USA: California, Los Angeles County, 15 miles w. of Big Pines, 5600 feet elevation


  
SD 156375
  
UCR 156331
Rebman 9592

  
SDSU 19739
Benet-Pierce 938

 
SDSU 23064
Benet-Pierce 895

 
SDSU 25430
Benet-Pierce 944

 
SDSU 25433
Benet-Pierce 949



 
SDSU 25481
Benet-Pierce 964



 
SDSU 26430
Benet-Pierce 977



 
SDSU 26435
Benet-Pierce 982

 
SDSU 26436
Benet-Pierce 984

 
SDSU 26439
Benet-Pierce 987



 
SDSU 26477
Benet-Pierce 1027



 
SDSU
Benet-Pierce 983

 
SDSU 24582
Jellen 1387

 
Jellen 1394

 
Jellen 1395-A

Benet-Pierce 539
Benet-Pierce 541



H.A. Wahl 29184, 19 Sep 1966
USA: California, San Diego Co.,
2 mi. nw of Pine Valley
ARIZ
182549
F.R. Fosberg 4977, 12 Jun 1931
USA: California, Los Angeles Co. near Big Rock-Bear Creek divide
RSA423258
S. Dougherty s.n., 7 Sep 2001
USA: California, Los Angeles Co.
34.34944, -117.88806
UCR-176994



SDSU23066 specimen
SDSU23073 specimen

SDSU23076 specimen
SDSU 23066
SDSU 23073
SDSU 23076


SDSU23079 specimen

SDSU 23079
DS 83954 (Right Only)
SDSU 22997
Benet-Pierce 887






SDSU 23070
Benet-Pierce 898
SDSU 23090
Benet-Pierce 918
SDSU 25195
Jellen 101219-5 A
SDSU 25429
Benet-Pierce 942




SDSU 26431
Benet-Pierce 978
SDSU 26474
Benet-Pierce 1024
SDSU 26495
Benet-Pierce 1047



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