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Montana Field Guide

Montana Field Guides

Little Yellow-rattle - Rhinanthus minor
Other Names:  Rhinanthus crista-galli


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 3

External Links






 
General Description
Annual. Stems erect, mostly unbranched, 10–50 cm. Herbage puberulent. Leaves cauline, opposite, sessile, lanceolate, serrate, 2–5 cm long. Inflorescence a spike with paired flowers subtended by upper leaves or leaf-like bracts. Flowers: calyx compressed, broadly ovate with 4 short lobes, inflated and 1–2 cm long in fruit; corolla barely exserted, yellow, bilabiate, galea 2–4 mm long, lower lip shorter; stamens 4; stigma entire. Capsule orbicular, flattened, 3–9 mm long, enclosed in calyx (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Circumboreal south to OR, CO and NY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 1

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

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



Habitat
Grasslands, meadows, dry open forest, streambanks, roadsides, often where disturbed; valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Little Yellow-rattle — Rhinanthus minor.  Montana Field Guide.  .  Retrieved on , from