|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
|Family: Amaranthaceae||View Description||Dichotomous Key|
|Genus: Amaranthus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Amaranthus hypochondriacus L.
Habit: Monoecious. Stem: erect, 3--20(25) dm, branched or not, red or purple-tinged, +- hairy distally. Leaf: petiole 3--9 cm; blades 4--12 cm, 2--7 cm wide, rhombic-ovate or widely lanceolate, base wedge-shaped, tip acute or obtuse, margins flat. Inflorescence: terminal, panicle-like, erect, with many lateral, thick, stiff axes, 9--20(30) cm, 1.2--2 cm wide (including flowers), dark red or purple to occasionally +- yellow; bracts 3--5(6) mm, 1.5--2 × perianth, spine-like, lance-linear or awl-shaped. Flower: staminate generally at inflorescence tips, perianth parts 5, 2--3 mm, stamens 5; pistillate perianth parts 5, 1.5--2.8(3.2 mm), +- = or 1 longer, erect to elliptic or lance-oblong or linear, tip acute to acuminate; stigmas 3, spreading. Fruit: circumscissile; (1.5)2--3 mm, +- = perianth, ovoid, purple to red or brown, smooth or lid +- wrinkled at base. Seed: either 1--1.3 mm, +- spheric, white to ivory or +- pink and center finely dotted, or 0.9--1.2 mm, lenticular, obovate, dark brown to black, shiny, margin finely dotted. Chromosomes: 2n=32, 34.
Ecology: Disturbed areas, roadsides; Elevation: < 200 m. Bioregional Distribution: ScV, SCo, SnBr; Distribution Outside California: native to southern North America; worldwide cultivated ornamental, pseudocereal and vegetable; rare escape from cultivation. Flowering Time: Jul--Oct Note: Doubtfully present in California.
eFlora Treatment Author: Mihai Costea
Jepson Online Interchange
Previous taxon: Amaranthus hybridus
Next taxon: Amaranthus palmeri
Citation for this treatment: Mihai Costea 2017. Amaranthus hypochondriacus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=12928, accessed on February 21, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 21, 2017.