Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Commelinales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Heteranthera dubia
FAMILY
Pontederiaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Heteranthera from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Heteranthera dubia
FAMILY
Pontederiaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Heteranthera dubia
SYNONYMOUS WITH Flora of North America
Heteranthera dubia
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 039-03-002:
Heteranthera dubia FAMILY Pontederiaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Zosterella dubia
COMMON NAME:
Water Stargrass
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hedu2_001_lvd
)
USDA / Selected Weeds of the US. 1970 swus_page_105
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Heteranthera dubia
FAMILY
Pontederiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Heteranthera dubia
FAMILY
Pontederiaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Heteranthera dubia
SYNONYMOUS WITH
Flora of North America
Heteranthera dubia
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 039-03-002:
Heteranthera dubia
FAMILY
Pontederiaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Zosterella dubia
3179
Submersed aquatic sometimes with short emergent stems; Forb
Perennial
Habitat: Streams, rivers, lakes, reservoirs, especially in areas with calcareous substrates, per Weakley's Flora
Native to North Carolina
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
FLOWER:
Spring/Summer/Fall
Yellow
Radially symmetrical
3 stamens
Bisexual
Flowers solitary in leaf axils
FRUIT:
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of Tennessee (Carman, 2005) p351
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p403
- Wildflowers of the Southern Mountains (Smith, 1998) p006
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".