Plant Image
Flower and buds


Yavapai County Native & Naturalized Plants

Gayophytum racemosum - blackfoot groundsmoke

Synonyms: Gayophytum helleri, G. helleri var. galbrum, G. humile var. hirtellum, G. racemosum var. caesium 
Plant Form: Forb or Subshrub

Family: Onagraceae


   
 
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Plant
University of Colorado Museum of Natural History Herbarium Vascular Plant Collection, Usage Rights: CC BY-NC (Attribution-Non-Commercial)
Forb Plant Description

Origin: Native   Life Cycle: Annual
General Desc: Stems erect with ascending branches; leaves and stems with or without hairs. Leaves erect, narrow; petals white, short, less than 1/16 inch long; capsule erect, barely flattened; stemmed.
Identification notes: Diffusely branched, often no central stem, hairs sparse; leaves narrow, to 1 inch long, alternate, somewhat reduced up the stems; flowers white fading pink or red, petals <1/16 inch, stigmas head-like; fruit capsules <1/4 inch, not hairy; seeds in 2 rows.
Height: 4 to 16 inches


Habitat

Habitat Description: Wet meadows, drying margins, open places in pine forests.
Plant Communities: Montane Conifer Forest, Riparian
Elevation: 6400 - 7500 feet


Flower Characteristics

Color: White, fade pink to red     Shape: Regular in elongated clusters     Tubular: Y     Flowering Period: Jun - Sep
Description: Clusters of flowers in leaf axils; leaf-like bracts hide flowers and fruits; flowers open at dawn, have 4 petals and 4 sepals, sepals bend downward at flowering; stigma head-like, surrounded by anthers at flowering.


Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Smooth     Leaf Attachment: Alternate     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Stems erect or spreading, reddish, branched at base, secondary branching uncommon, smooth to hairy; leaves only slightly reduced up the stem, crowded, to 1 inch long, short-stemmed; blade narrowly lance-like or somewhat rounded.


Fruit and Seed Characteristics

Fruit Type: Capsule
Fruit Notes: Ascending, flattened, 1/2 inch long, not constricted between seeds; grooved along midline, smooth or slightly knobby.
Seed Notes: Light to dark brown, forms 2 even rows in capsules, 14 to 34 per capsule.



  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
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Last Updated: Dec 13, 2022
Content Questions/Comments: Email Matt Halldorson  
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