Plant Image
Flower spike
Lynx Creek below Highlands Center - Sue Smith


Yavapai County Native & Naturalized Plants

Mentha spicata - spearmint

Other Common Names: bush mint (spearmint), (Spanish: hierbabuena, yerba buena)
Plant Form: Forb

Family: Lamiaceae


   
 
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Flower spike
Lynx Creek below Highlands Center
Sue Smith
Leaves
Lynx Creek below Highlands Center
Sue Smith
Plant - summer
Lynx Creek below Highlands Center
Sue Smith
Forb Plant Description

Origin: Introduced   Life Cycle: Perennial   Similar Species: Mentha arvensis
General Desc: Perennial rhizomatous forb; herbage spearmint scented leaves: leaves opposite, ovate, serrate, 3/4 to 2 inches long flowers: flowers pale purple, in dense spikes at ends of branches. Stems often purplish.
Identification notes: Flowers in terminal spikes distinguishes this species from M. arvensis.
Height: 12 to 48 inches


Habitat

Habitat Description: A native of Europe, extensively naturalized in North America. Found in Coconino and Yavapai counties at 7000 feet or lower, usually growing in wet places.
Plant Communities: Riparian
Elevation: Below 7000 feet


Flower Characteristics

Color: Pale lavender or light purple     Shape: Regular in elongated clusters     Tubular: Y     Flowering Period: Jul - Sep
Description: Spikes slender, 1-1/2 to 2-1/2 inches long in fruit.


Leaf and Stem Characteristics

Leaf Color: Green     Leaf Type: Simple     Leaf Shape: Round or oval     Leaf Margin: Toothed     Leaf Attachment: Opposite     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Leaf blades ovate and serrate, 3/4 to 2-1/2 inches long and sparingly covered with coarse hairs.


Fruit and Seed Characteristics

Fruit Color: Light purple   
Fruit Type: Capsule


  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 7.0  
http://cals.arizona.edu/yavapaiplants/SpeciesDetailForb.php  
Last Updated: May 10, 2017  
Content Questions/Comments: Email Jeff Schalau  
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