Plant Image
Flower heads


Yavapai County Native & Naturalized Plants

Taraxacum laevigatum - rock dandelion

Synonyms: Taraxacum erythrospermum, Taraxacum disseminatum, Taraxacum lacistophyllum, Taraxacum scanicum
Other Common Names: red-seed dandelion
Plant Form: Forb or Subshrub

Family: Asteraceae


   
 
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Leaves
Richard Hull The Trustees of Indiana University; Usage Rights: http://creativecommons.org/licenses/by-nc/4.0/
Plant
University of Michigan Herbarium; Usage Rights: CC BY-NC (Attribution-Non-Commercial)
Seedhead
Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Forb Plant Description

Origin: Native   Life Cycle: Perennial
General Desc: Often mistaken for the common dandelion, but red-seed dandelion has reddish stems and leaf blades that are more deeply dissected than other dandelion species.
Identification notes: Tap-rooted perennials; leaves in basal rosettes; highly dissected; 1-to-several unbranched, hollow flower stalks; stalks bear single head of bright yellow ray flowers; 1 to 2 inches; small, dry 1-seeded fruit.
Height: To 2 feet


Habitat

Habitat Description: Found in disturbed areas, roadsides, and lawns.
Plant Communities: Disturbed Areas
Elevation: 3200 - 12000 feet


Flower Characteristics

Color: Yellow     Shape: Daisy or dandelion-like not in clusters     Tubular: N     Flowering Period: Mar - Aug
Description: Flower heads solitary, 1 to 2 inches across, ray flowers only; flower stalks hollow, spread outward from center of plant; receptacle (base of flower heads) with narrow, lance-like bracts that are glossy and reddish tipped.


Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Pinnatifid     Leaf Margin: Dissected     Leaf Attachment: Basal     Leaves Clasp: N
Hairs: No     Spines: N
Leaf Description: Short, slightly winged stems; leaves basal, in rosettes, to 10 inches long and to 1-3/4 inches wide, deeply dissected into triangular lobes, taper toward stem, sometimes bend backward at tips, margins of lobes toothed to smooth.


Fruit and Seed Characteristics

Fruit Color: Red to reddish-purple, brown   
Fruit Type: Achene
Fruit Notes: To 1/8 inch long, smooth below, with rough, sharp points at tips, fusiform (tapering at both ends) to oval, 4 to 5 ribbed, tips with many soft, pale pappus (appendages), white to tawny that are 1/4 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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