Origin:
Introduced
Life Cycle:
Annual
General Desc:
Stems are erect and can be unbranched or branched. Has a stout taproot. Introduced from Europe. Identification notes: Stems often much branched, fruits (siliques) spreading, annual and yellow petals 4 - 6 mm long distinguishes this species from other
Erysimum sp. Height:
20 inches Habitat
Habitat Description: Found in fields, roadsides, disturbed areas, waste places, barren hillsides, brush communities and pastures. Plant Communities:
Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest, Disturbed Areas Elevation: 3900 - 7100 feet Flower Characteristics
Color:
Yellow
Shape:
Regular in elongated clusters
Tubular:
N
Flowering Period:
Mar - Jul Description:
Flower consists of 4 petals each 5/16 inch long with 4 green sepals. Upper stems terminate in racemes of flowers.
Leaf and Stem Characteristics
Leaf Color:
Green
Leaf Type:
Simple
Leaf Shape:
Narrow
Leaf Margin:
Toothed
Leaf Attachment:
Basal and alternate
Leaves Clasp:
N Hairs:
Leaves and stems
Spines:
N
Leaf Description:
Basal leaves are 6 inches long and 1/4 inch wide and deeply toothed and wavy. The upper leaves are less wavy and toothed. Fruit and Seed Characteristics
Fruit Color: Brown Fruit Type: Capsule Fruit Notes: Capsule has 2 deciduous valves, stiffly spreading to 4 inches long. Seed Notes: Seeds are oblong and brown.
Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590