Chenopodium arizonicum Skip to content

Chenopodium arizonicum Standley
N Amer. Fl. 21: pp19. 1916

Etymology	The epithet "arizonicum" is Latin for "from Arizona" as it occurs in this North American state
Description:	Ill-scented erect annual, 3-6 dm. high, simple at the base, branched above, the branches usually slender, obtusely angled, ascending, sometimes from a spreading base, very sparsely and finely farinose or glabrate, tinged with red, at least below; petioles slender, one half to two thirds as long as the blades; leaf-blades triangular to rhombic-ovate, 0.7-1.6 cm. long, acute or obtuse at the apex, apiculate, broadly cuneate to rounded at the base, thin, green and glabrate on. the upper surface, very finely and usually densely farinose beneath, the upper blades ovate to lanceolate or elliptic, acute or acuminate to a cuspidate tip; flowers in very small glomerules, these in slender, dense or interrupted, paniculate spikes, the branches of the inflorescence usually slender and flexuous, nearly naked; calyx sparsely farinose, deeply cleft, the lobes broadly oblong or ovate, obtusely carinate, incompletely enclosing the fruit; pericarp adherent; seed horizontal, 1 mm. broad, black and shining, puncticulate, the margin obtuse. -Standley
Distribution:	USA: AZ, NM, TX Mexico: SO, CH
Synonyms:
Type:	Griffiths 5982: US 497569
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