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|Family: Amaranthaceae||View Description||Dichotomous Key|
|Genus: Amaranthus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Amaranthus blitum L. subsp. emarginatus (Salzm. ex Uline & W.L. Bray) Carretero, Muñoz Garm. & Pedrol
Habit: Monoecious. Stem: prostrate to ascending, 0.5--7 dm, many-branched, green, glabrous. Leaf: petiole 15--50 mm; blade 15--35(50) mm, 7--30 mm wide, ovate to rhombic-ovate, base narrowly wedge-shaped, tip deeply notched to 2-lobed, margins flat. Inflorescence: axillary, or also terminal and flexible or nodding, branched or not, staminate with pistillate flowers; main axes 1.5--14 cm, 0.6--1.2 cm wide (including flowers), green; bracts 0.5--0.7 mm, < perianth, membranous, triangular-ovate, tip acute. Flower: staminate perianth parts 3, stamens 3; pistillate perianth parts 3, 0.8--1.2 mm, elliptic to spoon-shaped, tip +- obtuse; stigmas 3, erect. Fruit: indehiscent; 1--1.5 mm, +- spheric to ellipsoid, green, irregular-wrinkled. Seed: 0.8--1.1 mm, lenticular, brown-black, smooth, shiny, margins obscurely dotted. Chromosomes: 2n=34.
Ecology: Disturbed urban areas, irrigated horticultural crops; Elevation: < 250 m. Bioregional Distribution: SCo; Distribution Outside California: eastern United States, southern Ontario, southern Europe; native to tropics. Flowering Time: Jul--Oct
Unabridged Synonyms: Amaranthus emarginatus Uline & W.L. Bray
eFlora Treatment Author: Mihai Costea
Jepson Online Interchange
Previous taxon: Amaranthus blitoides
Next taxon: Amaranthus californicus
Citation for this treatment: Mihai Costea 2017. Amaranthus blitum subsp. emarginatus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=82143, accessed on January 18, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 18, 2017.