Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales
WEAKLEY'S FLORA (2/8/20):
Hexasepalum teres
FAMILY
Rubiaceae
Dig deeper at SERNEC, a consortium of southeastern herbaria.
This species has long been included in the "buttonweed" genus of Diodia. Read more at Vascular Plants of North Carolina.
INCLUDING
PLANTS NATIONAL DATABASE:
Diodia teres +
FAMILY
Rubiaceae
SYNONYMOUS WITH
Revisión de las especies americanas del género Diodia (Bacigalupo & Cabral, 1999)
Diodella teres
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-03-002:
Diodia teres
FAMILY
Rubiaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Diodella teres
COMMON NAME:
Poor-joe, Rough Buttonweed
To see larger pictures, click or hover over the thumbnails.
)
JK Marlow jkm190618_9254
June Greenville County SC
)
JK Marlow jkm090716_044
July Georgetown County SC
Huntington Beach State Park
)
JK Marlow jkm190708_9817
July Greenville County SC
)
JK Marlow jkm190708_9820
July Greenville County SC
)
JK Marlow jkm190722_0101
July Greenville County SC
)
JK Marlow jkm0508g_16
August Greenville County SC
Field
Leaves stiff with bristles at their base, per Newcomb's Wildflower Guide.
)
JK Marlow jkm0508g_18
August Greenville County SC
Field
Weedy often-branched annual with prostrate, spreading or ascending stems, per Wildflowers of Tennessee.
)
Richard and Teresa Ware rtw_d_teres_poorjoe_2_s
August
The 4 stamens are attached to the corolla tube, and the stigma is 2-lobed, per Guide to the Plants of Granite Outcrops.
)
JK Marlow jkm0509d_22
September Greenville County SC
Field
The petals are fused to form a tubular 4-lobed corolla, per Guide to the Plants of Granite Outcrops.
)
JK Marlow jkm160907_057b
September Greenville County SC
)
JK Marlow jkm180903_4461
September Greenville County SC
Stipules to 0.4" long have a short sheath and 5-8 bristles, per Wildflowers of Tennessee.
)
Roxanna Martin rlm91910_184
September Spartanburg County SC
Fruit capsule somewhat roundish, hairy, & topped by 4 persistent sepals, per Wildflowers of Tennessee.
)
Roxanna Martin rlm9410_292
September Spartanburg County SC
Pinkish funnelform flowers are 4-lobed, sessile, & borne in leaf axils, per Wildflowers of Tennessee.
)
JK Marlow s050910_d
September Greenville County SC
Field
Stem often reddish-purple with lines of hairs, per Weeds of Southern Turfgrasses.
WEAKLEY'S FLORA (2/8/20):
Hexasepalum teres
FAMILY
Rubiaceae
INCLUDING
PLANTS NATIONAL DATABASE:
Diodia teres +
FAMILY
Rubiaceae
SYNONYMOUS WITH
Revisión de las especies americanas del género Diodia (Bacigalupo & Cabral, 1999)
Diodella teres
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-03-002:
Diodia teres
FAMILY
Rubiaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Diodella teres
469
Forb
Annual
Native to the Carolinas & Georgia
Documented growing wild in GA NC SC
Common
Look for it on dunes, sandy roadsides, glades, hardpans, other dry habitats, per Weakley's Flora
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,
or click here to see a map from SERNEC, a consortium of southeastern herbaria.
...Dry
LEAVES:
Simple
Opposite
Margins entire
FLOWER:
Summer/Fall
Lavender-pink to white
Bisexual
Radially symmetrical
4-merous
4-lobed calyx
4-lobed salverform corolla
4 stamens
FRUIT:
Summer/Fall
TO LEARN MORE about this plant, look it up in a good book!
- Forest Plants of the Southeast and Their Wildlife Uses p056
- Newcomb's Wildflower Guide p158
- Guide to the Plants of Granite Outcrops p61
- Wildflowers of the Atlantic Southeast p104
- Wildflowers of the Eastern United States p099
- Wildflowers of Tennessee p260
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p303
- Wildflowers of the Southern Mountains p166
- Wildflowers of the Sandhills Region p333
- Weeds of Southern Turfgrasses p174