Plant Image
Flowers


Yavapai County Native & Naturalized Plants

Senecio lemmonii - Lemmon's ragwort

Synonyms: Senecio decorticans
Other Common Names: Lemmon groundsel
Plant Form: Forb or Subshrub

Family: Asteraceae


   
 
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Leaves
Sue Carnahan @http://swbiodiversity.org, Usage Rights: CC BY-NC (Attribution-Non-Commercial)
Plant
Sue Carnahan @http://swbiodiversity.org, Usage Rights: CC BY-NC (Attribution-Non-Commercial)
Forb Plant Description

Origin: Native   Life Cycle: Perennial
General Desc: Erect or ascendingly branched perennial from woody taproots, 8 to 40 inches tall, herbage smooth or with tufts of white hairs in leaf axils; stems smooth, unevenly reddish.
Identification notes: Subshrub, branches upward; leaves stemmed or not stemmed, lance-like, bases of middle leaves wider, clasping, stem leaves mostly similar in size; leaf axils have tufts of white hairs; 4 to 12 flower heads in rounded clusters, ray and disc flowers yellow.
Height: 8 to 40 inches tall


Habitat

Habitat Description: Found on dry hillsides and rock slopes, usually among shrubs.
Plant Communities: Desert Scrub,
Elevation: 2500 - 3500 feet


Flower Characteristics

Color: Yellow     Shape: Regular in round clusters     Tubular: N     Flowering Period: Feb - May
Description: Usually 4 to 12 flowers in rounded clusters, radiate, 1/2 inch high; small bracts around the calyx; phyllaries 21, tips often with minute black dots; 12 to 18 ray flowers, rays 1/2 inch long; spreading but soon curled downward.


Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Toothed     Leaf Attachment: Alternate     Leaves Clasp: Y
Hairs: Leaves and stems     Spines: N
Leaf Description: Evenly distributed, with narrow blades, 1 to 4 inches long, 1/2 to 3/4 inch wide, tapered bases or rounded ear-like appendages, margins unevenly toothed, upper leaves stemless; lower leaves with stems about equaling leaves.


Fruit and Seed Characteristics

Fruit Type: Achene
Fruit Notes: Hairy achenes, 1/16 inch long, almost round, weakly 8 to 10 ribbed and minutely hairy with short, stiff, ascending, grayish hairs.


  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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