Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oldenlandia corymbosa
FAMILY
Rubiaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Diamond-flower at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oldenlandia corymbosa
FAMILY
Rubiaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oldenlandia corymbosa
SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Hedyotis corymbosa
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-07-003:
Oldenlandia corymbosa FAMILY Rubiaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Oldenlandia corymbosa
COMMON NAME:
Diamond-flower, Flattop Mille-graines
To see larger pictures, click or hover over the thumbnails.
)
Bruce A. Sorrie bas_o_corymbosa3
August Moore County NC
Calyx glabrous, calyx lobes minute and subulate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Charles Horn cnh_02726
August Newberry County SC
)
Charles Horn cnh_02731
August Newberry County SC
)
Charles Horn cnh_02731b
August Newberry County SC
Flowers axillary, peduncles and pedicels filiform, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Charles Horn cnh_02732
August Newberry County SC
Leaves elliptic to linear-elliptic, the largest 1.5-2.5cm long, 4-7mm wide, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Charles Horn cnh_02733
August Newberry County SC
)
Charles Horn cnh_02737
August Newberry County SC
)
Charles Horn cnh_02738
August Newberry County SC
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oldenlandia corymbosa
FAMILY
Rubiaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oldenlandia corymbosa
FAMILY
Rubiaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oldenlandia corymbosa
SYNONYMOUS WITH
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Hedyotis corymbosa
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 173-07-003:
Oldenlandia corymbosa
FAMILY
Rubiaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Oldenlandia corymbosa
985
Forb
Annual
Habitat: Moist lawns, gardens, per Weakley's Flora
Non-native: Africa, or possibly South America
Uncommon in GA Coastal Plain (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
Opposite
Margins entire
FLOWER:
Summer/Fall
White
Peduncles 5-10mm long; pedicels 3-5mm long
Radially symmetrical
4-lobed calyx
4-lobed rotate corolla
4 stamens
Bisexual
FRUIT:
Summer/Fall
Capsule
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".