Species Detail Forb

Flower spike Grapevine Canyon - Sue Smith		Yavapai County Native & Naturalized Plants Amaranthus torreyi - Bigelow's amaranth Synonyms: A. bigelovii Other Common Names: Torrey's amaranth, sandhill amaranth, Watson's amaranth, amaranth, careless weed Plant Form: Forb or Subshrub Family: Amaranthaceae
Flower spike Grapevine Canyon - Sue Smith


Home	Plant Communities	Plant List	Search Forbs and Subshrubs	Search Grasses	Search Woody Plants	Additional Resources	About this Website

Click on Any Image for a Larger View
Flower spike Grapevine Canyon Sue Smith	Leaf Grapevine Canyon Sue Smith	Plant - summer Grapevine Canyon Sue Smith

Forb Plant Description

Origin: Native Life Cycle: Annual
General Desc: Multi-branched near base. Erect or ascending.
Identification notes: Sepals and petals of pistillate flowers spatulate. Inflorescences in axillary clusters, toward apex aggregated in spikes (rarely spicate panicles), axils leafy (occasionally almost leafless distally).
Height: 4 to 28 inches

Habitat

Habitat Description: Sandy, rocky, and gravelly flats, slopes, canyons, washes, other disturbed habitats.
Plant Communities: Disturbed Areas
Elevation: 3200 - 5600 feet

Flower Characteristics

Color: Green Shape: Other in elongated clusters Tubular: N Flowering Period: Aug - Oct
Description: Have 5 very small sepals. Staminate flowers have 3 stamens. Pistillate flowers are narrowly spoon-shaped, with rounded to slightly notched tips. Has axillary clusters distributed to stem base while crowded above into a terminal, leafy spike.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Simple Leaf Shape: Narrow Leaf Margin: Smooth Leaf Attachment: Alternate Leaves Clasp: N
Hairs: No Spines: N
Leaf Description: Lanceolate to ovate-lanceolate leaf blade is 1/2 inch to 2 inches long. Leaf stalk is less than half as long as the blade. Leaf margins can be wavy.

Fruit and Seed Characteristics

Fruit Color: Black
Fruit Notes: Fruit is utricle (a small bladdery one-seeded fruit); slightly greater than 1/16 inch.
Seed Notes: Seeds are very small, black, smooth and shiny.


	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 Legal Disclaimer