Species Detail Forb

Flowers Willow Dells Tr - Sue Smith		Yavapai County Native & Naturalized Plants Lappula occidentalis - flatspine stickseed Synonyms: Lappula redowskii, Lappula texana, Echinospermum redowskii var. occidentalis Other Common Names: white stickseed, western stickseed Plant Form: Forb or Subshrub Family: Boraginaceae
Flowers Willow Dells Tr - Sue Smith


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Leaves Willow Dells Tr Sue Smith	Leaves Willow Dells Tr Sue Smith	Plant - summer Willow Dells Tr Sue Smith

Forb Plant Description

Origin: Native Life Cycle: Annual Similar Species: Lappula occidentalis var. cupulata
General Desc: Stems simple or slightly branched above the middle of the stems; erect to loosely spreading, grayish to whitish; taproot.
Identification notes: Annual, erect hairy stems branch above the middle. Flowers white to pale blue, inconspicuous and tiny on elongated stems, each subtended by a leaf-like bract; stigmas capitate (head-like). Flower stems erect in fruit; fruit margins barbed.
Height: 6 to 24 inches

Habitat

Habitat Description: Sunny, usually disturbed areas, roadsides, overgrazed areas.
Plant Communities: Disturbed Areas
Elevation: Below 8500 feet

Flower Characteristics

Color: Blue, white, yellowish-white Shape: Regular in elongated clusters Tubular: Y Flowering Period: Mar - Sep
Description: Flower heads of several elongated leafy stems with short branches bearing flowers; flowers are 1/8 to 1/4 inch long, each subtended by a leaf-like bract.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Simple Leaf Shape: Narrow Leaf Margin: Smooth Leaf Attachment: Alternate Leaves Clasp: N
Hairs: Leaves and stems Spines: N
Leaf Description: Greenish-white in appearance because of hairy leaves and stems.

Fruit and Seed Characteristics

Fruit Color: Brown
Fruit Type: Nutlet
Fruit Notes: 4 nutlets, approximately 1/8 inch long with single row of barbed prickles on margin.


	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