Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Duravia species 2
FAMILY
Polygonaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Polygonum tenue
FAMILY
Polygonaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Polygonum tenue
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 5 (2005)
Polygonum tenue
INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Polygonum tenue var. protrusum
INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Polygonum tenue var. tenue
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-005:
Polygonum tenue FAMILY Polygonaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Polygonum tenue
COMMON NAME:
Glade Knotweed, Slender Knotweed
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_pote2_001_lvd
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Duravia species 2
FAMILY
Polygonaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Polygonum tenue
FAMILY
Polygonaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Polygonum tenue
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 5
Polygonum tenue
INCLUDING
Floristic Synthesis of North America (Kartesz, 1999)
Polygonum tenue var. protrusum
INCLUDING
Floristic Synthesis of North America (Kartesz, 1999)
Polygonum tenue var. tenue
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 063-04-005:
Polygonum tenue
FAMILY
Polygonaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Polygonum tenue
4649
Forb
Annual
Habitat: Glades, barrens, and thin, rocky soils, over various rock types (including granite, diabase, amphibolite, greenstone, metagabbro, and shale), also in dry sands, per Weakley's Flora
Native to the Carolinas & Georgia
Uncommon in NC Mountains (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 - leaves plicate with one fold on either side of the midrib
Alternate
Leaves sessile or petioles 0-1mm long
FLOWER:
Summer/Fall
Sepals green with broad pinkish or whitish border
5-parted calyx
Petals absent
Superior ovary
Flowers solitary (or rarely paired) in leaf axils
FRUIT:
Summer/Fall
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".