Native & Naturalized Plants of the Carolinas & Georgia


967

Emergent aquatic (rooted); Forb
Perennial

Non-native: Eurasia
Documented growing wild in GA NC SC

Uncommon (common in Mountains)

Look for it in streams, springs, seepages, per Weakley's Flora

map
To see a detailed map, click here


Invasive?

This plant may be causing problems in natural areas outside its native range, according to authorities such as:

Georgia Exotic Pest Plant Council, 2006
Kentucky Exotic Pest Plant Council, 2013
Tennessee Exotic Pest Plant Council, 2009

 

Aquatic ...Wet

LEAVES:
Odd-pinnately compound: 3-9(13) leaflets
Alternate

RHIZOMES? STOLONS?
Rhizomatous, rooting at proximal nodes

FLOWER:
Spring/Summer
White or pink
Bisexual
Radially symmetrical
4 sepals
4 petals
6 stamens tetradynamous (2 short, 4 long)

FRUIT:
Spring/Summer
Silique

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Brassicales

WEAKLEY'S FLORA (5/21/15):
Nasturtium officinale   FAMILY Brassicaceae

(?) PLANTS NATIONAL DATABASE:
Nasturtium officinale   FAMILY Brassicaceae

LESS THAN VASCULAR FLORA OF THE CAROLINAS (1968) 088-20-001:
Nasturtium officinale   FAMILY Brassicaceae

SYNONYMOUS WITH Synthesis of the North American Flora (Kartesz, 1999)
Rorippa nasturtium-aquaticum

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933)
Sisymbrium nasturtium-aquaticum

 

COMMON NAME:
Watercress


Click or hover over the thumbnails to see larger pictures.

image of Nasturtium officinale

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_rona2_002_lvd

        

image of Nasturtium officinale

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_sina4_001_lvd

        

image of Nasturtium officinale

Gill Newberry    gn04_n_officinale

April        

The dark green leaves are pinnately compound; terminal leaflet larger, round, per Wildflowers of Tennessee.


click here to see other plants that look similar to this COMPARE pinnately compound leaves of forbs

image of Nasturtium officinale

Richard and Teresa Ware    rtw_nasturtium_officinale

September        

Flowers are about 0.2" wide and clustered at the stem tips, per Wildflowers of Tennessee.