Plant Image
Flowers


Yavapai County Native & Naturalized Plants

Agoseris heterophylla - annual agoseris

Other Common Names: annual goat-chicory, annual goatsbeard, mountain dandelion
Plant Form: Forb or Subshrub

Family: Asteraceae


   
 
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Leaves
Barry Breckling @ http://calphotos.berkeley.edu, Barry Breckling @ http://calphotos.berkeley.edu, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Plant
Keir Morse @ http://calphotos.berkeley.edu, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Forb Plant Description

Origin: Native   Life Cycle: Annual
General Desc: Taprooted forb with milky juice. Stems are erect; leaves are mostly erect; flower stalks elongated; flowers yellow. Agoseris species are sometimes confused with closely related genera, notably the dandelion.
Identification notes: Erect annual; basal rosette of narrow leaves, widest near the tip, covered in tiny, soft to rough, white hairs, margins smooth to toothed or lobed; stem leaves few; flower heads with 5 to many yellow rays; achenes (fruits) with long pointed tips.
Height: To 16 inches


Habitat

Habitat Description: Found on grassy hillsides and openings in brush.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Riparian
Elevation: 2500 - 5000 feet


Flower Characteristics

Color: Yellow     Shape: Daisy or dandelion-like not in clusters     Tubular: N     Flowering Period: Mar - May
Description: Slender flower stems 2 to 16 inches tall, hairless or with sparse long hairs; solitary flower heads of 2 to 3 rows of sharp-pointed bracts, which are green with rosy purple midlines, may be purple-black spotted; ray florets yellow, disc flowers absent.


Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Lobed     Leaf Attachment: Basal     Leaves Clasp: N
Hairs: Leaves     Spines: N
Leaf Description: Oblong, spatula-shaped or narrow, margins smooth, fine toothed or wavy with strong indentations (lobes), to 1 inch wide, 2 to 6 inches long, sparsely hairy or hairless.


Fruit and Seed Characteristics

Fruit Type: Achene
Fruit Notes: Typically 10 ribbed with a long extension (beak) and a tuft of white bristles.


  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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