1–7 C. divaricatus 1 leaves 2 bracteole 3 outer sepal 4 middle sepal 5 inner sepal 6 stamen 7 ovary and style. From Drabov 287 (B) 8–14 C. gracillimus 8 flowering branch 9 leaf 10 outer sepal 11 middle sepal 12 inner sepal 13 stamen 14 ovary and style. From Rechinge r 16080 (W) 15–20 C. sarothrocladus 15 leaves 16 outer sepal 17 middle sepal 18 inner sepal 19 stamen 20 ovary and style 15 from sin coll. (JE) 16–20 from Haussknech t s.n. (W) 21–26C. pseudocantabrica subsp. askabadensis21 leaves 22 outer sepal 23 middle sepal 24 inner sepal 25 stamen 26 ovary and style. From Gauba 1623 (B) 27–33 C. ammannii 27 leaf 28 outer sepal 29 inner sepal 30 stamen 31 ovary and style 32 sepals and capsule 33 seeds. From Hsia 20/7/1931(K) 34–37 C. xanthopotamicus 34 shoot showing woody stem and branching 35 leaf 36 outer sepal 37 inner sepal. From Purdom s.n. (K).