Plant Image
Flowers


Yavapai County Native & Naturalized Plants

Thelesperma megapotamicum - Hopi tea greenthread

Synonyms: Thelesperma fraternum, Thelesperma gracile
Other Common Names: Hopi-Tea, green thread, green thread, Colorado greenthread
Plant Form: Forb or Subshrub

Family: Asteraceae


   
 
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Leaves
Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)atrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-Sh
Plant
Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Seeds
Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)atrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-Sh
Forb Plant Description

Origin: Native   Life Cycle: Perennial
General Desc: Plant has a woody base or creeping rhizomes; several stems per plant, branching from the base; erect, slender, brittle stems, hairless and grayish-green.
Identification notes: Wiry, slender diffusely branching stems; opposite, thread-like, lobed leaves at lower 3/4 of the stems; yellow disc flowers; bracts inner row fused; outer row tiny and reflexed; plant often coated with white powdery substance.
Height: 1 to 2-1/2 feet


Habitat

Habitat Description: Disturbed places on sands or clays, oak/juniper woodlands, desert scrub, ponderosa pine forests.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest, Disturbed Areas
Elevation: 1000 - 9500 feet


Flower Characteristics

Color: Yellow     Shape: Daisy or dandelion-like not in clusters     Tubular: N     Flowering Period: May - Oct
Description: Disc flowers are at the end of long leafless stems; surrounded by green bracts; often with reddish brown veins; 1/2 inch wide; 1/2 inch long; no ray flowers.


Leaf and Stem Characteristics

Leaf Color: Grayish-green     Leaf Type: Simple     Leaf Shape: Pinnatifid     Leaf Margin: Smooth     Leaf Attachment: Basal and opposite     Leaves Clasp: N
Hairs: No     Spines: N
Leaf Description: Mainly basal; opposite along lower 1/2 to 3/4 of stems; internodes 1-1/2 to 4 inches; leaves divided into thread-like, linear or narrowly inverse lance-like lobes; 3/4 to 1-1/2 inches long; up to 1/16 inch wide.


Fruit and Seed Characteristics

Fruit Type: Achene
Fruit Notes: Achene; 1/4 to 1/2 inch long; topped with pappus of 2 stout barbed awns; about 1/16 inch long.


  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  
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