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Montana Field Guide

Montana Field Guides

Winged Pigweed - Cycloloma atriplicifolium

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Undetermined Origin

Global Rank: G5
State Rank: SNR
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Annual herbs with tomentose to glabrous foliage. Stems branched, erect, 5–80 cm. Leaves short-petiolate; blades 2–7 cm long, lanceolate to narrowly oblong with toothed margins. Inflorescence of interrupted spikes in an open, leafy panicle. Flowers perfect or female; calyx lobes 5, united to above middle, 2–4 mm across; stamens 5. Fruit a subglobose achene, enclosed in the wing-like calyx; the seed flat, horizontal, smooth, 1.5 mm across (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)..

Range Comments
In MT one collection from Richland County; most of temperate North America apart from the deep southeast and Pacific NW and NV (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 1

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Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat


References
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Citation for data on this website:
Winged Pigweed — Cycloloma atriplicifolium.  Montana Field Guide.  .  Retrieved on , from