Photographer: Christopher Noll
Nasturtium officinale R.Br.
Nasturtium: Latin nasus for “nose” and tortum for “to twist”, referring to the pungent taste
officinale: Latin generally meaning "of the shops" or "sold in the marketplace" or "official"
Invasive - Eradicate!
|Status: ||Introduced - naturalized; ecologically invasive|
|Plant: ||erect or spreading, perennial, 4"-18" tall, emergent aquatic, sometimes evergreen, forming large, tangled wintergreen masses; stems spreading; rooting from the lower nodes|
|Flower: ||white, 4-parted, 1/5" wide, petals 2 times longer than the sepals; inflorescence a cluster (raceme) of stalked flowers from the ends of the shoots; blooms May-Oct.|
|Fruit:||long, thin pod with coarse seeds in 2 rows|
|Leaf:||pinnately-divided into 3-9 rounded leaflets with the end one longest|
|Habitat: ||sun; streams, springs, cold water; in limy, sedimentary, gravelly soil|