Purple loosestrife

Fireweed

Facts about Purple loosestrife:

• The scientific name of purple loosestrife is Lythrum salicaria. 
• There are also different names of it like Marsh Monster and Beautiful Killer.
•  In North America, purple loosestrife may be get confused with one of the following: fireweed (Epilobium angustifolium), blue vervain (Verbena hastata), blazing stars (Liatris spp.).

• In early autumn, a distinctive but transitory color change usually occurs at the end of the growing season whenL. salicaria leaves dehydrate and turn bright red; this color may persist for 10 days.
  
• A mature plant of purple loosestrife, can produce 2.7 million thin-walled, flat seeds.

Structure of purple loosestrife

Blue vervain