Species Detail Forb

Flower and fruit		Yavapai County Native & Naturalized Plants Euphorbia spathulata - warty spurge Synonyms: Euphorbia alta, Euphorbia arkansana, Euphorbia dictyosperma, Euphorbia obtusata, Galarhoeus arkansanus, Galarhoeus obtusatus Plant Form: Forb or Subshrub Family: Euphorbiaceae
Flower and fruit


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Leaves and fruit Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)	Plant Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)

Forb Plant Description

Origin: Native Life Cycle: Annual or perennial
General Desc: The plant usually consists of a single stem from the ground up to the branching flower stems.
Identification notes: Terminal inflorescence in mature plants is 1/4 the total length of the plant or more; capsules warty.
Height: To 18 inches

Habitat

Habitat Description: Dry, open, generally disturbed places.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest, Disturbed Areas
Elevation: 1500 - 7500 feet

Flower Characteristics

Color: Yellow, green Shape: Other in clusters Tubular: N Flowering Period: Mar - Apr
Description: What appears to be a flower is instead a cyathium, a cup-like structure that houses a central pistillate flower surrounded by several staminate flowers. The yellow horned structures are not true petals but merely extensions of the cyathium.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Simple Leaf Shape: Round or oval Leaf Margin: Toothed Leaf Attachment: Alternate and opposite Leaves Clasp: Y
Hairs: No Spines: N
Leaf Description: Leaf margins are minutely serrate. Stem leaves are alternate to 1-1/2 inches long; floral leaves are opposite and clasping.

Fruit and Seed Characteristics

Fruit Type: Capsule
Fruit Notes: Capsules are less than 1/8 inch long. The surface bears warty nodules.
Seed Notes: Seeds are about 1/16 inch long, brown, spherical, bearing fine nodules.


	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