Arisaema stewardsonii Britton
swamp Jack-in-the-pulpit
swamp Jack-in-the-pulpit
April 29,
Blue Hills Reservation, Randolph
Abaxial and adaxial leaf blade side both green; abaxial side lustrous, not glaucous; spathe tube fluted; spathe flanges narrow (up to 3 mm wide). Ponkapoag Pond (NE)