Juncea:  Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. plants glabrous or nearly so plants glaucous upper stem leaves cuneate at the base, not clasping pedicels slender, elongate, spreading siliques 2-5 cm long, loosely ascending each valve with a prominent midvein, the other nerves weaker and scarcely parallel beak of silique slender, terete or conical, not 2-edged beak seedless

 

Brassica: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. leaves dentate or divided, not entire leaves NOT: oval to elliptical, entire, the cauline cordate-clasping petals yellow petals mostly 7-12 mm long fruit pod-like (silique or silicle), dehiscent by 2 valves pods circular in cross section; not flattened pods NOT compressed at right angles to the central partition pods usually more than 4 times as long as broad pods opening by  valves, not constricted between seeds pods with a long, elongated, stout beak beak joint of capsule seedless beak of pod and the body equal in cross section seeds in 1 row in each locule

 

Cruciferae: Answers to key questions in Budd's Flora leading to this family. herbs plants terrestrial or semi-aquatic plants not with colored milky juice plants with more than one normal leaf leaves without stipules, or having glands some or all leaves alternate calyx regular 4 sepals corolla regular in shape 4 petals stamens usually 6, 4 long and 2 short ovary superior 1 or 2 carpels