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Montana Field Guide

Montana Field Guides

Flower-of-an-Hour - Hibiscus trionum

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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General Description
Hirsute annual. Stems erect, branched, 10–60 cm. Leaf blades orbicular, divided nearly to the base; lobes 3 to 7, 1–4 cm long. Flowers axillary, subtened by linear bracts; calyx veiny, inflated, 8–14 mm long, with short, acute lobes; petals whitish with a purple base,15–40 mm long. Schizocarp 1–3 cm high, hirsute with 5 sections (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
SK to NS south to OR, UT, TX, FL; introduced from Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
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:
Flower-of-an-Hour — Hibiscus trionum.  Montana Field Guide.  .  Retrieved on , from