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Flume Trail, Prescott - Sue Smith

Yavapai County Native & Naturalized Plants

Mentzelia albicaulis - whitestem blazingstar

Synonyms: Acrolasia albicaulis, A. gracilis, Mentzelia gracilis, M. mojavensis, Trachyphytum gracile
Other Common Names: small-flowered blazing star, whitestem stickleaf, white blazingstar
Plant Form: Forb

Family: Loasaceae

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Flume Trail, Prescott
Sue Smith
Plant - summer
Flume Trail, Prescott
Sue Smith
Plant - summer
Flume Trail, Prescott
Sue Smith
Flume Trail, Prescott
Sue Smith
Forb Plant Description

Origin: Native   Life Cycle: Annual
General Desc: Erect with branching throughout. Stems shining white with short hairs. Flowers are at the end of stems.
Identification notes: White stems, branching; basal leaves, stem leaves alternate, no stalk; blades lanceolate, lobed margins; leaf surfaces with barbed hairs; yellow or orange flower clusters at branch tips, petals to 1/4 inch; capsules club-shaped; seeds not winged.
Height: 4 to 16 inches


Habitat Description: Dry meadows and hillsides, gravel fans, washes, scrub to pinyon juniper woodland.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Disturbed Areas
Elevation: Below 6000 feet

Flower Characteristics

Color: Yellow or orange     Shape: Regular in round clusters     Tubular: Y     Flowering Period: Feb - Aug
Description: Flowers are in clusters of 1 to 3 at stem tops; petals 5, to 1/4 inch long; stamens 15 to 25, shorter than petals.

Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Lobed     Leaf Attachment: Basal and alternate     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Leaves without stems, 1 to 4 inches long, oblong, with pointed tips; edges deeply lobed, comb-like, toothed or smooth. Leaves are rough to the touch. Barbed hairs cause leaves to stick to clothing.

Fruit and Seed Characteristics

Fruit Color: Brown   
Fruit Type: Capsule
Fruit Notes: Fruit capsules often long-tapering to base, club-like.
Seed Notes: Seeds are not winged, those in upper half of capsule grain-like.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
Last Updated: Feb 16, 2020  
Content Questions/Comments: Email Jeff Schalau  
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