OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Asparagales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Sisyrinchium dichotomum   FAMILY Iridaceae   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Sisyrinchium dichotomum   FAMILY Iridaceae

 

COMMON NAME:
White Irisette, Isothermal Irisette


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

image of Sisyrinchium dichotomum, White Irisette, Isothermal Irisette

Pam Torlina    pam_050709_1172

May    Polk County    NC

image of Sisyrinchium dichotomum, White Irisette, Isothermal Irisette

Pam Torlina    pam_052010_4069

May    Polk County    NC

Perianth with tepals abruptly spreading in a plane; tepals white, per Weakley's Flora.

image of Sisyrinchium dichotomum, White Irisette, Isothermal Irisette

Pam Torlina    pam_052010_4070_1

May    Polk County    NC

It has several pedunculate spathes that become progressively smaller upwards, per Wildflowers of the Southern Mountains.

image of Sisyrinchium dichotomum, White Irisette, Isothermal Irisette

Dan Whitten    sdw_white_irisette

May    Greenville County    SC

Chestnut Ridge Heritage Preserve

image of Sisyrinchium dichotomum, White Irisette, Isothermal Irisette

Pam Torlina    pam_062608_321

June    Polk County    NC

Tepals recurved at maturity, per Weakley's Flora (2015).

image of Sisyrinchium dichotomum, White Irisette, Isothermal Irisette

Samantha Tessel    sam071221_7122434

July    Greenville County    SC

Chestnut Ridge Heritage Preserve

Outer tepals 3.3-7.5mm, apex apparently rounded, aristate, per Flora of North America.

image of Sisyrinchium dichotomum, White Irisette, Isothermal Irisette

Samantha Tessel    sam071221_7122435

July    Greenville County    SC

Chestnut Ridge Heritage Preserve

image of Sisyrinchium dichotomum, White Irisette, Isothermal Irisette

Samantha Tessel    sam_2771

August    Greenville County    SC

Chestnut Ridge Heritage Preserve

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Sisyrinchium dichotomum   FAMILY Iridaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Sisyrinchium dichotomum   FAMILY Iridaceae

 

Find by SCIENTIFIC NAME:

1390

Forb
Perennial

Native to the Carolinas

Rare, endemic to Henderson, Polk & Rutherford counties, NC, & Greenville Co, SC

Habitat: Dry to mesic woodlands and forests, usually over mafic rocks (such as amphibolite), at low to moderate elevations (400-1000 m) in the Blue Ridge escarpment, 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.)

LEAVES:
Simple

FLOWER:
Spring/Summer
White
Bisexual
Radially symmetrical
6 tepals
3 united stamens
Inferior ovary

FRUIT:
Summer
Capsule

 

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



 


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