Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Isolepis carinata
FAMILY
Cyperaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Keeled Bulrush at Vascular Plants of North Carolina.
Since Isolepis is more closely related to Cyperus than to Scirpus, in which it has often been included, its separation from Scirpus is clearly warranted. The generic delimitation of Isolepis in relation to Ficinia and Scirpoides is less certain. Read more in Weakley's Flora.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Isolepis carinata
FAMILY
Cyperaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Isolepis carinata
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Vascular flora of Illinois (Mohlenbrock, 2014)
Isolepis carinatus
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 23 (2002)
Isolepis carinata
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Isolepis carinata
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 030-08-002:
Scirpus koilolepis FAMILY Cyperaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Scirpus carinatus
SYNONYMOUS WITH -
Isolepis koilolepis
COMMON NAME:
Keeled Bulrush
To see larger pictures, click or hover over the thumbnails.
)
Patrick D. McMillan pdmicarinata_far1
May Lancaster County SC
Forty Acre Rock Heritage Preserve
Inflorescence of 1-3 ovoid, sessile spikelets, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Bruce A. Sorrie bas_icarinata6ansonnc
June Anson County NC
Utility right-of-way
)
Patrick D. McMillan pdmicarinata_cabin
Month Unknown Clarendon County SC
Culms 6-20cm tall, coarsely ribbed. Blades to 20cm long, 0.5-1mm wide, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Isolepis carinata
FAMILY
Cyperaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Isolepis carinata
FAMILY
Cyperaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Isolepis carinata
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT)
Vascular flora of Illinois (Mohlenbrock, 2014)
Isolepis carinatus
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 23
Isolepis carinata
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Isolepis carinata
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 030-08-002:
Scirpus koilolepis
FAMILY
Cyperaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Scirpus carinatus
SYNONYMOUS WITH
-
Isolepis koilolepis
2654
Grass, Sedge, or Rush
Annual
Habitat: Moist soils adjacent to granitic flatrocks, seepage areas, ephemeral pools, moist sandy sites, low fields, ditches, per Weakley's Flora
Native to the Carolinas & Georgia
Uncommon in Piedmont of GA & SC (rare elsewhere in GA-NC-SC)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Basal
FLOWER:
Spring/Summer
Superior ovary
Bisexual
FRUIT:
Spring/Summer
Brown
Nutlet
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".