Plant Image
Flower
Willow Lake Tr - Sue Smith


Yavapai County Native & Naturalized Plants

Mentzelia multiflora - Adonis blazingstar

Synonyms: Bartonia multiflora, Nuttallia multiflora
Other Common Names: Adonis stickleaf, desert stickleaf, desert blazingstar, manyflowered mentzelia
Plant Form: Forb or Subshrub

Family: Loasaceae


   
 
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Flower and bud
Willow Lake Tr
Sue Smith
Leaf
Willow Lake Tr
Sue Smith
Plant - summer
Willow Lake Tr
Sue Smith
Leaves and stem
Willow Lake Tr
Sue Smith
Forb Plant Description

Origin: Native   Life Cycle: Perennial
General Desc: Bright yellow flowers are loosely clustered at the top of white, upright, branched stems. The green leaves are lobed and have hooked hairs on their lower surface which cause them to stick to clothing, thus the common name stickleaf.
Identification notes: White stems with short stiff hairs; long narrow leaves with rounded teeth or shallow pinnate lobes, upper leaves clasping the stem; showy, large yellow flowers; distinguished from many others in the genus by being perennial and taller.
Height: To 2-1/2 feet


Habitat

Habitat Description: Desert, upland, mountain in full sun. Commonly found on sand and gravel bars.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest, Riparian
Elevation: 100 - 7500 feet


Flower Characteristics

Color: Bright yellow     Shape: Regular in round clusters     Tubular: N     Flowering Period: Mar - Oct
Description: The bright yellow flowers have 5 petals and 5 staminodes that are petal-like and many stamens. Flowers are 2 inches across; they open later in the afternoon and close in the morning.


Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Lobed     Leaf Attachment: Alternate     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Stems turn upward. Green leaves are long and narrow, lobed and without stems. The lower surface of the leaves has hooked hairs which cause them to stick to clothing.


Fruit and Seed Characteristics

Fruit Color: Brown   
Fruit Type: Capsule
Fruit Notes: Capsules are straight and cylindric.
Seed Notes: Small, broadly winged seeds are densely covered with minute rounded projections.



  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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