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Montana Field Guide

Montana Field Guides

Green Amaranth - Amaranthus powellii


Global Rank: G5
State Rank: SNA
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:

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State Rank Reason (see State Rank above)
Native to parts of southwestern North America, likely introduced into Montana. Seldom collected in the state.
 
General Description
Monoecious. Stems erect, often red-striped, 20–100 cm, branched above with glabrous to sparsely pubescent foliage. Leaf blade lanceolate to ovate, 2–8 cm long, mostly as long as the petiole. Inflorescence green, terminal and axillary, cylindric panicles; bracts linear-lanceolate, spine-tipped, ca. 5 mm long. Flowers: sepals 3 to 5, elliptic, 1.5–4 mm long with excurrent midveins; stamens 3 to 5. Utricle 2–3 mm long, shorter than sepals (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
In MT occurring in some of the western counties and Yellowstone County; native to western N. America but now throughout the region (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Cultivated fields, roadsides, stream banks; valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Green Amaranth — Amaranthus powellii.  Montana Field Guide.  .  Retrieved on , from