OF THE CAROLINAS & GEORGIA

Lycophytes: Isoetales

WEAKLEY'S FLORA (5/21/15):
Isoetes melanospora   FAMILY Isoetaceae   NEW! Click to go to FSUS key


INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Isoetes melanospora   FAMILY Isoetaceae

SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)
Isoetes melanospora

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 005-01-001?:
Isoetes melanopoda   FAMILY Isoetaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Isoetes melanospora

 

COMMON NAME:
Black-spored Quillwort


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

image of Isoetes melanospora, Black-spored Quillwort

Peter Schafran    psc_mel1

May    DeKalb County    GA

Stone Mountain

Isoetes submerged in pool.

image of Isoetes melanospora, Black-spored Quillwort

Peter Schafran    psc_mel2

May    DeKalb County    GA

Stone Mountain

Isoetes submerged in pool.

image of Isoetes melanospora, Black-spored Quillwort

Peter Schafran    psc_mel3

May    DeKalb County    GA

Stone Mountain

The name refers to the color of the megaspores, which are esp dark when wet, per Georgia Quillworts. Tipularia (Musselman, 2001).

image of Isoetes melanospora, Black-spored Quillwort

Peter Schafran    psc_mel4

May    DeKalb County    GA

Stone Mountain

Scanning electron micrograph of megaspore proximal surface at 100X.

image of Isoetes melanospora, Black-spored Quillwort

Peter Schafran    psc_mel5

May    DeKalb County    GA

Stone Mountain. Scanning electron micrograph of megaspore distal surface at 200X

Megaspores black, tuberculate, 280-440 micra in diameter, per Synopsis of Isoetes in the Southeastern United States. Castanea (Boom, 1982).

 

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

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Isoetes melanospora   FAMILY Isoetaceae

SYNONYMOUS WITH Georgia Quillworts (Musselman, 2001)
Isoetes melanospora

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 005-01-001?:
Isoetes melanopoda   FAMILY Isoetaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Isoetes melanospora

 

Find by SCIENTIFIC NAME:

2382

Fern/Fern ally
Perennial

Native to South Carolina & Georgia

Habitat: In pools on granite flatrocks, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

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

LEAVES:
Deciduous
Simple
Leaves 2-ranked when young, whorled at maturity

FRUIT:
Spring/Summer/Fall

 

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



 


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