...Dry
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Stiff Tick-trefoil from the Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fabales
WEAKLEY'S FLORA (11/30/12):
Desmodium obtusum
FAMILY
Fabaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Desmodium obtusum
FAMILY
Fabaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-26-015:
Desmodium obtusum
FAMILY
Fabaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933)
Meibomia rigida
COMMON NAME:
Stiff Tick-trefoil
Click or hover over the thumbnails to see larger pictures.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_meri_001_lvd
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JK Marlow jkm200517_4966
May Transylvania County NC
DuPont State Forest
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JK Marlow jkm200625_6084
June Transylvania County NC
DuPont State Forest
)
JK Marlow jkm190726_0178
July Transylvania County NC
DuPont State Forest
This species has among the smallest pods and segments of any in the genus, per Vascular Plants of North Carolina.
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JK Marlow jkm190726_0179
July Transylvania County NC
DuPont State Forest
Loments similar to D. ciliare & D. marilandicum, with 2-3 rounded segments, per Leguminosae (Fabaceae), vol 3, part 2, Vascular flora of the southeastern United States (Isely, 1990).
COMPARE
loments of Desmodium species
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JK Marlow jkm190726_0186
July Transylvania County NC
DuPont State Forest
Petioles of median leaves usually shorter than width of lateral leaflets, per Vascular Flora of the Carolinas.
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JK Marlow jkm190726_0189
July Transylvania County NC
DuPont State Forest
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JK Marlow jkm190726_0253
July Transylvania County NC
DuPont State Forest
Leaflets fairly thick and rigid (in fact, formerly named D. rigidum), per Vascular Plants of North Carolina.
)
JK Marlow jkm190726_0258
July Transylvania County NC
DuPont State Forest
)
JK Marlow jkm190726_0275
July Transylvania County NC
DuPont State Forest
A fairly slender Desmodium, ranging to 2-3' tall, but with few branches, per Vascular Plants of North Carolina.
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JK Marlow jkm190825_0941
August Transylvania County NC
DuPont State Forest
The terminal leaflet is usually elongate, per Native and Naturalized Leguminosae (Fabaceae) of the United States (Isely, 1998).
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JK Marlow jkm190825_0943
August Transylvania County NC
DuPont State Forest
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JK Marlow jkm190825_0952
August Transylvania County NC
DuPont State Forest
Corolla pink-purple (-white), 4.5-6mm long, per Leguminosae (Fabaceae), vol 3, part 2, Vascular flora of the southeastern United States (Isely, 1990).
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JK Marlow jkm190825_0953
August Transylvania County NC
DuPont State Forest
)
JK Marlow jkm190825_0955
August Transylvania County NC
DuPont State Forest
Oops. A pod with four segments...
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JK Marlow jkm200808_6917
August Transylvania County NC
DuPont State Forest
)
Bruce A. Sorrie bas_desmo_obtusum1
September Moore County NC
Inflorescence usually paniculate. Pedicels 4-17mm long, per Vascular Flora of the Carolinas.
COMPARE
Beggar's Lice (Tick-trefoil) species
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JK Marlow jkm180924_4884
September McCormick County SC
Parks Mill
Stems and petioles densely uncinate-pubescent, per Vascular Flora of the Carolinas.
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JK Marlow jkm180924_4887
September McCormick County SC
Parks Mill
Leaflets sparsely to densely short-pubescent and reticulate below, per Vascular Flora of the Carolinas.