Contains 7 accepted taxa overall.

Characteristics
Cuscuta L.
DODDER
Classification
-
-
-
SOLANALES
Cuscuta
Citation
CUSCUTA Linnaeus, Sp. Pl. 124. 1753.
-
TYPE: Cuscuta europaea Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 48. 1913.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Cuscuta campestris Field Dodder, Prairie Dodder
Cuscuta compacta Compact Dodder
Cuscuta coryli Hazel Dodder
Cuscuta indecora Bigseed Alfalfa Dodder, Pretty Dodder
Cuscuta japonica Japanese Dodder
Cuscuta pentagona Fiveangled Dodder
Cuscuta rostrata Appalachian Dodder, Beaked Dodder
Identification Key
1.  Styles united and appearing as one for most of their length
2
1.  Styles 2, distinct
3
2.  Calyx lobes entire; style <1 mm long
2.  Calyx lobes minutely erose; style >1 mm long
3.  Corolla lobe with a flap-like subapical appendage
3.  Corolla lobe without a subapical appendage
4
4.  Corolla (and sometimes the calyx and pedicel) papillate; capsule with a thickened and raised stylopodium
4.  Corolla not papillate; capsule lacking an evident stylopodium
5
5.  Flower densely bracteate, bracts erose-fimbriate to roughened entire; usually parasitic on woody species
5.  Flowers with 0-2 bracts, unlike those above; parasitic on herbaceous or woody species
6
6.  Corolla lobes acute at the tip
7
6.  Corolla lobes obtuse to rounded at the tip
9
7.  Calyx lobe acute at the tip; corolla lobe narrowly deltate; capsule circumscissile dehiscent
7.  Calyx lobe obtuse at the tip; corolla deltate; capsule indehiscent
8
8.  Flower 2.1-4.6(5) mm long; calyx rounded, enclosing the corolla tube, 1-2.1 mm long, lobes ovate-deltate, not auriculate; corolla tube 1.1-2.5 mm long; anthers 0.4-0.7 mm long; fruit 1.3-2.8 mm long, 1.9-3.9 mm wide
8.  Flower 1.4-2.1(2.5) mm long; calyx angled, loose around the corolla tube, 0.3-1.1 mm long, lobes broadly ovate-rhombic, auriculate; corolla tube 0.5-1.2 mm long; anthers 0.2-0.35 mm long; fruit 1.9-2.4 mm long, 1.2-2.5 mm wide
9.  Calyx enclosing corolla tube; capsule circumscissile dehiscent; usually parasitic on woody species
9.  Corolla tube exserted from calyx lobes; capsule indehiscent; parasitic on herbaceous or woody species
9
10.  Corolla lobes, when reflexed, not or barely meeting calyx lobe tips; capsule conic, longer than broad
10.  Corolla lobes, when reflexed, conspicuously overlapping calyx lobe tips; capsule depressed globose, length and width subequal or broader than long
Genus Synonyms
Synonym Full Citation Basionym Type
No synonyms found.