Wild plants in and around Shimane 島根とその周辺の野生植物

 

SEASONAL FLOWERS: AUTUMN

 
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Family:
 
Lamiaceae /
Shisoka


 

Species in the genus Mentha:


Mentha arvensis / Hakka
Mentha x piperita / Koshouhakka
 
   

Mentha arvensis / Hakka ハッカ

 
Mentha arvensis, a 20-60cm tall perennial herb found in somewhat damp places, extend many long rhizomes to propagate, with vellus hairs on stems, leaves, and calyxes. The leaves are opposite, 2-8cm long, 1-2.5cm wide, in a long oblong shape, with pointed tips, margins sharply serrated, and backsides with glandular spots. Axils on upper parts put whorls of 4-5mm long, light purple flowers. Calyxes cut themselves in five, and the segments pointed. Bloom time: August-October.
               
                     
                     
                     

▲AUTUMN #7

 

 

inserted by FC2 system