OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (5/21/15):
Nasturtium officinale   FAMILY Brassicaceae   Go to FSUS key


(?) PLANTS NATIONAL DATABASE:
Nasturtium officinale   FAMILY Brassicaceae

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

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 088-20-001:
Nasturtium officinale   FAMILY Brassicaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Sisymbrium nasturtium-aquaticum

 

COMMON NAME:
Watercress


         To see larger pictures, click or hover over the thumbnails.

image of Nasturtium officinale, Watercress

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

        

image of Nasturtium officinale, Watercress

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

        

image of Nasturtium officinale, Watercress

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, Watercress

Richard and Teresa Ware    rtw_nasturtium_officinale

September        

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

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (5/21/15):
Nasturtium officinale   FAMILY Brassicaceae

(?) PLANTS NATIONAL DATABASE:
Nasturtium officinale   FAMILY Brassicaceae

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

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 088-20-001:
Nasturtium officinale   FAMILY Brassicaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Sisymbrium nasturtium-aquaticum

 

Find by SCIENTIFIC NAME:

967

Emergent aquatic (rooted); Forb
Perennial

Non-native: Eurasia

Habitat: Streams, springs, seepages, per Weakley's Flora

map
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)


Invasive?

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

 

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!



 


Find by SCIENTIFIC NAME: