1–7 C. oppositifolius 1 leaf 2 outer sepal 3 inner sepal 4 stamen 5 ovary and stigma 6 capsule 7 seeds. From Popov 68/46 (BM) 8–12 C. jefferyi 8 leaf 9 outer sepal 10 inner sepal 11 stamen 12 ovary and style. From Greenway 10454 (K) 13–20 C. scopulatus 13 leaf 14 outer sepal 15 middle sepal 16 inner sepal 17 stamen 18 ovary and style 19 calyx when fruiting 20 seeds. From Miller at al. 8142 (E) 21–28 C. sericophyllus 21 habit showing inflorescence 22 basal leaf 23 bract 24 calyx 25 outer sepal 26 inner sepal 27 stamen 29 ovary and style. From Waring 57 (BM) 29–36 C. stenocladus 29 habit showing inflorescence and bracteole 30 leaf 31 outer sepal 32 inner sepal 33 stamen 34 ovary and style 35 capsule 36 seed. From Thulin 6589 (K) 37–43 C. socotranus 37 leaf 38 bract 39 outer sepal 40 inner sepal 41 stamen 42 ovary and style with bracteole 43 calyx and capsule 44 seed. From Balfour et al. 73 (OXF).