Chenopodium rubrum
 
Red Goosefoot

Whole Plant Upright

North of Old Wives Lake
15-Aug-2018

A key to all the Chenopodium species occurring in Saskatchewan is found here.  This key was derived from the key in the Flora of North America by removing all the non-Saskatchewan species. Another key to the Chenopodium species  written by Diana Bizecki Robson is found here.

bullet

Chenopodium: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus.  Not all the answers apply to all the species in Chenopodium, but they all do apply to rubrum.   
bullet

herbs, or low spineless shrubs; NOT [shrub with spiny branches, 1-2 m high]

bullet

plants not prickly; NOT [plant prickly from the spine-tipped thread-like leaves and from bracts]

bullet

stems not fleshy

bullet

stems not jointed

bullet

leaves mostly alternate; NOT [leaves opposite]

bullet

leaves not reduced to scales

bullet

leaves not circular in cross section

bullet

NOT [flowers axillary and sunk into the fleshy stem]

bullet

flowers not subtended by scarious bracts

bullet

flowers lacking bracteoles; NOT [pistillate flowers with a pair of bracteoles, occasionally 3]

bullet

calyx with 3-5 sepals; NOT [calyx with only one sepal]

bullet

sepals greenish, herbaceous or fleshy; NOT [sepals scarious, dry and membranous]

bullet

mature calyx without wings or spines; NOT [mature calyx with wings, or minute spines]

bullet

flowers perfect

bullet

at least some flowers with more than one stamen

bullet

fruit enclosed; NOT [fruit largely exposed]

bullet

fruit not winged; NOT [fruit narrowly winged]

 

bullet

Amaranthaceae: Answers to key questions in Budd's Flora leading to this family.  Not all the answers apply to all the genera in Amaranthaceae, but they all do apply to Chenopodium
bullet

herbs; NOT [shrubs or trees]

bullet

land plants; NOT [water plants]

bullet

plants not parasitic on trees, rooted in soil

bullet

plants with more than one pair of leaves

bullet

leaves alternate, lower ones sometimes opposite; NOT [leaves opposite]

bullet

leaves without stipules; NOT [leaves with stipules free or sheathing the stem]

bullet

leaves not compound and not very deeply divided; NOT [leaves compound or simple, but very deeply divided]

bullet

leaves not orbicular or reniform; NOT [leaves orbicular or reniform]

bullet

flowers small, numerous, greenish; NOT [flowers colored]

bullet

flowers with only one floral ring, with sepals but not petals

bullet

perianth segments 2-5; NOT [perianth segments 6]

bullet

flowers perfect

bullet

fruit dry when ripe; NOT [fruit fleshy when ripe]