|
1
|
Scales inside the petals present
|
(2)
|
|
+
|
Scales inside the petals absent
|
1 Cuscuta hyalina
|
|
|
2 (1)
|
Style 1 or obsolete
|
(3)
|
|
+
|
Styles 2
|
(8)
|
|
|
|
3 (2)
|
Capsule circumscissile with a definite line of cleavage
|
(4)
|
|
+
|
Capsule not circumscissile with a definite line of cleavage. i.e. dehiscing irregularly
|
2 Cuscuta reflexa
|
|
|
|
4 (3)
|
Stem and flowers with violet spots; corolla tube forming a sub-globose to urceolate covering around the capsule
|
|
|
+
|
Stem and flowers without violet spots; corolla tube not forming a subglobose to urceolate covering around the capsule
|
(5)
|
|
|
|
5 (4)
|
Stem yellow or brown; style less than 0.4 mm long; capsule 4-6 mm long
|
(6)
|
|
+
|
Stem mostly reddish; style more than 1 mm long; capsule 7-9 mm long
|
4 Cuscuta lupuliformis
|
|
|
|
6 (5)
|
Petals 1-1.7 mm long
|
(7)
|
|
+
|
Petals 4-6 mm long
|
5 Cuscuta gigantea
|
|
|
|
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 rounded or capitate
|
(11)
|
|
+
|
Stigma linear
|
10 Cuscuta europaea
|
|
|
|
11 (10)
|
Style linear; capsule light brown, membranous; i.e. seeds visible from outside; petals mostly nonglandular
|
(12)
|
|
+
|
Style subulate; capsule dark brown, thick i.e, the seeds not visible from outside, petals thick, glandular
|
11 Cuscuta australis
|
|
|
|
12 (11)
|
Stem coarse; flowers mostly in dense glomerules; capsule depressed
|
(13)
|
|
+
|
Stem very fine; flower solitary or in umbel-like cynic; capsule non-depressed
|
12 Cuscuta pulchella
|
|
|
|
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
|
|
|