Species Detail Forb

Flowers Willow Lake - Sue Smith		Yavapai County Native & Naturalized Plants Descurainia sophia - herb sophia Synonyms: Sisymbrium sophia, Sophia sophia Other Common Names: flixweed tansymustard, fluxweed, herb-sophia, flaxweed tansymustard, pinnate tansymustard, tansymustard Plant Form: Forb or Subshrub Family: Brassicaceae
Flowers Willow Lake - Sue Smith


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Flowers Willow Lake Sue Smith	Leaves Willow Lake Sue Smith	Plant - summer Willow Lake Sue Smith	Plant - summer Willow Lake Sue Smith

Forb Plant Description

Origin: Introduced Life Cycle: Biennial or annual
General Desc: Erect winter annual, often distally branched; 2 to 3 times pinnately compound feathery leaves; small yellow flowers; narrow seed pods 1/2 to 1-1/4 inches long.
Identification notes: Stems are 10 to 30 inches tall, branched with star-shaped hairs. Leaves 2 to 3 times pinnate, up to 4 inches long. Sepals 3/4 inch long. Petals about as long as sepals. Seed pods 1/2 to 1-1/4 inches long. Seeds in 1 row in each chamber of the fruit.
Height: To 30 inches

Habitat

Habitat Description: Found on open and disturbed ground.
Plant Communities: Disturbed Areas
Elevation: 3000 - 7500 feet

Flower Characteristics

Color: Yellow Shape: Regular in elongated clusters Tubular: N Flowering Period: Apr - Jun
Description: Small petaled yellow flowers are clustered along side branches of the main stem; bracts 4, yellowish green and narrow; petals 4 yellow, small, spatula-shaped, slightly recurved; stamens 6.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Compound Leaf Shape: Pinnatifid Leaf Margin: Dissected Leaf Attachment: Basal and alternate Leaves Clasp: N
Hairs: Leaves Spines: N
Leaf Description: Green, 2 to 3 times pinnately divided, appearance is fern-like. The first stage of the plant is a basal rosette of leaves followed by flower stems.

Fruit and Seed Characteristics

Fruit Color: Green to brown
Fruit Type: Capsule
Fruit Notes: Long, narrow seed pod contains one row of 10 to 20 seeds in each chamber.
Seed Notes: Tiny, reddish-brown seeds become sticky when moistened.


	Arizona Cooperative Extension Yavapai County 840 Rodeo Dr #C Prescott, AZ 86305 (928) 445-6590	Version 8.0 http://cales.arizona.edu/yavapaiplants/SpeciesDetailForb.php Last Updated: Dec 13, 2022 Content Questions/Comments: Email Matt Halldorson Legal Disclaimer