Plant Image
Flower


Yavapai County Native & Naturalized Plants

Argythamnia neomexicana - New Mexico silverbush

Synonyms: Argythamnia neomexicana, A. californica, A. dressleriana, A. gracilis, A. micrandra, A. serrata var. magdalenae
Other Common Names: common silverbush, New Mexico ditaxis, Yuma silverbush
Plant Form: Forb or Subshrub

Family: Euphorbiaceae


   
 
line decor
  Home   Plant Communities Plant List Search Forbs and Subshrubs Search Grasses Search Woody Plants Additional Resources About this Website
line decor
 

Click on Any Image for a Larger View

Leaf
Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Plant
Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Fruit
Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Forb Plant Description

Origin: Native   Life Cycle: Annual or perennial   Similar Species: Ditaxis claryana, D. adenophora, D. cyanophylla, D. lanceolata, D. mercurialina
General Desc: Annual or short-lived perennial, to 14 inches tall; single-sexed flowers, much branched and densely hairy (pubescent) with stiff, coarse hairs.
Identification notes: Single-sexed flowers in axilary elongated clusters. The claws (narrow petal base) of the male flowers not united with the stamens. Leaves without glandular teeth, sometimes margins are serrated; appressed, long, silver hairs all over.
Height: 4 to 14 inches


Habitat

Habitat Description: Desert scrub, sandy and rocky slopes, calcareous soils and along washes.
Plant Communities: Desert Scrub, Interior Chaparral
Elevation: 1000 - 4000 feet


Flower Characteristics

Color: White     Shape: Regular in elongated clusters     Tubular: N     Flowering Period: Feb - Sep
Description: Flower stems congested in leaf axils, <1/8 inch; 5 sepals pointed, long soft hairs, 1/8 to 1/4 inch; petals 5, smooth, egg-shaped, white with red-purple veins; male petals exceed sepals, female petals do not; leaf margins without gland-tipped teeth.


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: Broadly elliptic, narrow at base, pointed at tip, sometimes blunt, 1/2 to 1-1/2 inches, margins entire or with a few small teeth; leaves longer, broader, greener, not as thick and less hairy during warm, wet conditions.


Fruit and Seed Characteristics

Fruit Color: Green   
Fruit Type: Capsule
Fruit Notes: Depressed-globose capsule 1/8 to 1/4 inch wide, densely long hairs.
Seed Notes: Seeds egg-shaped, about 1/16 inch long, light brown, with shallow pits marked with radiating lines.



  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