Chenopodium nitens

Chenopodium nitens Benet-Pierce & M.G.Simpson 
Journal of the Torrey Botanical Society: The taxonomy of Chenopodium desiccatum and C. nitens, sp. nov. 141(2), 2014, pp. 161–172


[Chenopodium HOME]
Etymology
Latin for ‘‘shining, polished’’ after the lustrous, shiny seed coat
Description:

Plant an annual, mostly prostrate herb, occasionally erect, mostly branched from base, forming mats to ca 3 dm in diameter.
Leaves alternate; petioles 2– 3 mm long; blades narrowly elliptic or narrowly oblong to narrowly lanceolate, very rarely basally lobed, 6–14 (18) mm long, 2– 4 mm wide, base cuneate or narrowly cuneate, apex acute, farinose abaxially, less so adaxially.
Inflorescence cymes in axillary and terminal spikes, 1–7 cm long, bracteate below, ebracteate from midlevel to apex.
Flowers perfect, radial, approximately 1 mm in diameter.
Perianth uniseriate; calyx synsepalous, with five lobes, distinct to near base; lobes apically obtuse, farinose abaxially.
Stamens five, distinct, whorled, antisepalous; filaments terete, yellow, with laterally dehiscent, dithecal, sub-basifixed anthers.
Gynoecium syncarpous, hypogynous; ovary superior, with two stigmas. Placentation basal with one curved ovule.
Fruit horizontal; fruit wall not adherent to seed coat. Seeds flat, lenticular, ca. 1.1 (1.0–1.2) mm in diameter, margin acute; seed coat black, very shiny and finely tessellate.

Distribution:
USA: AZ, CA, CO, KS, MO, NE, NM, TX, WY
Synonyms:
Chenopodium desiccatum A. Nelson, Bot. Gaz. 34: 362 1902 Chenopodium leptophyllum (Nutt. ex Moq.) Nutt. ex S. Watson subsp. desiccatum (A. Nelson) Aellen, Repert. Spec. Nov. Regni Veg. 26: 136 1929
Chenopodium leptophyllum (Nutt. ex Moq.) Nutt. ex S. Watson var. oblongifolium S.Watson, Proc. Amer. Acad. Arts 9: 95. 1874
Chenopodium oblongifolium (S.Watson) Rydb., ined., Bull. Torrey Bot. Club 33: 137 1906 [not Chenopodium oblongifolium (Waldst. & Kit.) E.H.L. Krause, Deutschl. Fl. ed. 2, 5: 177 1901]
Chenopodium pratericola var. oblongifolium (S.Watson) Wahl, Bartonia 27: 19 1954
Type:
Howell 12543: CAS 391636
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:





Habitat and Field Images


Type Specimen:

CAS 391636
Howell 12543


Specimens:

SDSU 20366
Benet-Pierce 517


 
CHSC 29946
Ondricek 97


Henderson 8372
CAS 148341

ORE 28572



Hinckley 1361
NY 1795672
   
ARIZ 35306
SMU
NY 1795671



Oswald 5103
CHSC 58839

UC 1594604


Wheeler 3930
GH 3930

MO 1174261



Dorn 4960
NY 990872

RM 530823

 

RM 531104
Hartman 13761

RM 827645
Nelson 63137

 

Eastwood 137a
 
K


Tiehm 13686
 
NY 572124
TEX-LL


Warnock 14312
 
SRSC
TEX-LL 00039846


Worthington 4941
 
BRIT
UTEP 11374

 

ARIZ 366855
Tiehm 13684
ASC 46662
Ricketson 2087
ASC 85480
Christie 1264
ASC 101424
Goodwin 3578


ASU 20611
Waller 970
BRIT
Waller 970


BRY 472407
Rolfsmeier 14068
BRY 472414
Rolfsmeier 14155
BRY 487856
Ebertowski 2002
BRY 488174
Ebertowski 5425


CAS 85781
Eastwood 1910
CAS 458029
Gregory & McMillan 0-151
CDA 23383
Bellue 8/10/1938
CHSC 29910
Ondricek 97


CHSC 60892
Oswald 5659
ECON 22809
Plowman & Killman 252
GH 00263672
Fendler 717
GH 00404592 (right only)
Hitchcock 1031C


GH 00460167
Skoglund 231
GH
Lloyd 3114
GH
Waller 3157
TEX-LL 39906
Johnston 611B


MO 1092502
Bush 14136
NY 190171
Hazlett 10076
NY 652205


NY
Stephens 72820


OSU 218428
Wilson 11530
P 4991975
Arsene 18947
RM 338432
Hartman 8111
RM 578117
Evert 17442


RM 704732
Chumley 210
RSA 103125
Jones 907
SMU
Jones 907
SRSC
Keeling 164


SRSC
Powell 7042
US 210308
Rydberg 1836
US 279295
Wilcox 73
US 369448
J. A. Williams 2869


   
Herbarium Sheet of
US 837882
E.L. Johnston 611B
UC 851109
Eastwood 713

 
UTEP 72679
Worthington 4743
 
RM 827650
Ebertowski 5425



 

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