Native & Naturalized Plants of the Carolinas & Georgia


4239

Fern/Fern ally; Emergent aquatic (rooted)
Perennial

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Rare

Look for it in blackwater streams and sandy streambanks., per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Evergreen
Simple
Leaves whorled, at least at maturity

FRUIT:
Spring/Summer/Fall

 

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



Lycophytes: Isoetales

WEAKLEY'S FLORA (5/21/15):
Isoetes hyemalis   FAMILY Isoetaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Isoetes hyemalis   FAMILY Isoetaceae

LESS THAN VASCULAR FLORA OF THE CAROLINAS (1968) 005-01-002?:
Isoetes engelmannii   FAMILY Isoetaceae

LESS THAN Manual of the Southeastern Flora (Small, 1933)
Isoetes engelmannii var. engelmannii

LESS THAN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Isoetes engelmannii

 

COMMON NAME:
Wintergreen Quillwort, Winter Quillwort, evergreen quillwort


Click or hover over the thumbnails to see larger pictures.

image of Isoetes hyemalis

Peter Schafran    psc_hye1

August    Pender County    NC

image of Isoetes hyemalis

Peter Schafran    psc_hye2

August    Orange County    NC

Duke Forest

I. hyemalis often forms large populations, sometimes w 1000s of individuals, per Georgia Quillworts. Tipularia (Musselman, 2001).

image of Isoetes hyemalis

Peter Schafran    psc_hye3

August    Columbus County    NC

image of Isoetes hyemalis

Peter Schafran    psc_hye4

August    Duplin County    NC

Mature megaspores in soil.

image of Isoetes hyemalis

Peter Schafran    psc_hye5

August    Orange County    NC

Camp Chestnut Ridge

Megaspores on knife blade.

image of Isoetes hyemalis

Peter Schafran    psc_hye6

August    Orange County    NC

Camp Chestnut Ridge

Megaspores at base of plant.