Search Field Guide
Advanced Search
Montana Field Guide

Montana Field Guides

Ventenata - Ventenata dubia

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

External Links






 
General Description
Cool season, annual bunchgrass. Stems few-bunched, 50–70 cm. Leaves: blades 1–3 mm broad, inrolled and ascending; sheaths with overlapping margins; ligule membranous. Inflorescence an open panicle, 2–4 dm long, only the very distal branch ends bearing spikelets. Spikelets 6–10 mm long, mostly with 3 florets, callus of spikelet well developed, glumes distinctly ribbed or veined, enveloping the florets. Lemmas dimorphic; the lowermost staminate and persistent straight awn; the upper lemmas fertile and with a bent and twisted awn, readily disarticulating; callus bearded; palea well developed. Disarticulation above and below glumes; unit of dispersal the floret (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced and of sporadic or ephemeral occurrence in the Pacific Northwest region and also in east central N. America (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Sporadic in MT along roadsides and pastures and range with a significant disturbance history (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
Login Logout
Citation for data on this website:
Ventenata — Ventenata dubia.  Montana Field Guide.  .  Retrieved on , from