1	Scales inside the petals absent		1 Cuscuta hyalina
+	Scales inside the petals present		(2)
2 (1)	Style 1 or obsolete		(3)
+	Styles 2		(8)
3 (2)	Capsule not circumscissile with a definite line of cleavage. i.e. dehiscing irregularly		2 Cuscuta reflexa
+	Capsule circumscissile with a definite line of cleavage		(4)
4 (3)	Stem and flowers with violet spots; corolla tube forming a sub-globose to urceolate covering around the capsule		3 Cuscuta violacea
+	Stem and flowers without violet spots; corolla tube not forming a subglobose to urceolate covering around the capsule		(5)
5 (4)	Stem mostly reddish; style more than 1 mm long; capsule 7-9 mm long		4 Cuscuta lupuliformis
+	Stem yellow or brown; style less than 0.4 mm long; capsule 4-6 mm long		(6)
6 (5)	Petals 4-6 mm long		5 Cuscuta gigantea
+	Petals 1-1.7 mm long		(7)
7 (6)	Capsule 6-7 mm in diameter; style mostly obsolete; connate part of the sepal lobes 1.5-2 mm long		6 Cuscuta monogyna
+	Capsule 3.3-4 nun in diameter; style c. 2 mm long; connate part of sepal lobes c. 5 mm long		7 Cuscuta lehmanniana
8 (2)	Petals, sepals and stamens 4		(9)
+	Petals, sepals mostly 5, rarely 4 or 6; stamens 5		(10)
9 (8)	Filament obsolete; petals broadly elliptical, with reticulate pattern		8 Cuscuta epithymum
+	Filament long; petals oblong-lanceolate, with papillate pattern		9 Cuscuta capitata
10 (8)	Stigma linear		10 Cuscuta europaea
+	Stigma rounded or capitate		(11)
11 (10)	Style subulate; capsule dark brown, thick i.e, the seeds not visible from outside, petals thick, glandular		11 Cuscuta australis
+	Style linear; capsule light brown, membranous; i.e. seeds visible from outside; petals mostly nonglandular		(12)
12 (11)	Stem very fine; flower solitary or in umbel-like cynic; capsule non-depressed		12 Cuscuta pulchella
+	Stem coarse; flowers mostly in dense glomerules; capsule depressed		(13)
13 (12)	Petals triangular; sepal lobes triangular-ovate, forming carina near the tip, 2-2.5 mm long; bract keeled; filament flat		13 Cuscuta chinensis
+	Petals oblong-elliptical; sepal lobes oval to orbicular, not forming carina near the tips, 1.2-1.5 mm long; bracts not keeled; filament subulate		14 Cuscuta campestris