Plant Image
Flowers


Yavapai County Native & Naturalized Plants

Corispermum americanum - American bugseed

Synonyms: Corispermum nitidum, C. imbricatum
Other Common Names: bugseed
Plant Form: Forb or Subshrub

Family: Chenopodiaceae


   
 
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Plant
Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Forb Plant Description

Origin: Introduced   Life Cycle: Annual
General Desc: Slender taproot; stems branched, smooth to slightly grooved, covered in star-shaped hairs; flat, thin leaves; flowers in a loose, spike-like cluster.
Identification notes: Plants to 27 inches tall, branched near base or above; flower stems narrow and lax, usually with gaps without flowers; fruits yellowish, greenish-brown, or brown, often with reddish-brown spots, whitish warts; bracts not uniform, distal bract shorter.
Height: To 27 inches


Habitat

Habitat Description: Sandy soils, dunes, gravely shores, sandy waste places, fields.
Plant Communities: Desert Scrub, Riparian, Disturbed Areas
Elevation: 2950 - 3900 feet


Flower Characteristics

Color: Greenish     Shape: Regular in elongated clusters     Tubular: N     Flowering Period: Aug - Oct
Description: 1 flower in axil of leaf-like bracts, greenish, tiny, scale-like, with 1 sepal and no petals. Bracts to 3/4 inch long, 1/8 to 1/2 inch wide, egg-shaped to linear lance-shaped or sometimes linear; 1 projecting stamen; 2 stigmas.


Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Smooth     Leaf Attachment: Alternate     Leaves Clasp: N
Hairs: Stems     Spines: N
Leaf Description: Solitary stem that branches near the plant base, smooth to slightly grooved, hairs star-shaped, often becoming hairless, greenish to reddish with age; alternate, stalk-less leaves to 2 inches long, 1/16 to 1/4 inch wide, linear, hairy, margin entire.


Fruit and Seed Characteristics

Fruit Color: Yellowish, greenish, reddish   
Fruit Type: Achene
Fruit Notes: Yellowish, greenish or reddiish tints possible. Stalk-less, sometimes concealed by the bracts, 1/16 to 1/4 inch long,1/16 inch wide, reverse egg-shaped, broadest past the middle, slightly convex beneath, more or less flat above, winged. Wing translucent.


  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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