1–7 C. sericocephalus 1 leaf 2 bract 3 outer sepal 4 middle sepal 5 inner sepal 6 stamen 7 ovary and style. From Yanata & Doych s.n. (LE) 8–14 C. calvertii 8 leaf 9 bracteole 10 outer sepal 11 middle sepal 12 inner sepal 13 stamen 14 ovary and style. From Calvert & Zohrab s.n. (E) 15–22 C. schirazianus 15 bracteole 16 outer sepal 17 middle sepal 18 inner sepal 19 stamen 20 ovary and style 21 capsule 22 seed. From Kotschy 379 (W) 23–33 C. holosericeus 23 leaf 24 bracteole 25 outer sepal 26 middle sepal 27 inner sepal 28 exterior of corolla showing midpetaline bands 29 interior of corolla showing stamens 30 stamen 31 ovary and style 32 capsule 33 seed 23–31 from Sintenis 4082 (JE) 32–33 from Sintenis 4082b (GOET) 34–42 C. lineatus 34 leaf 35 bracteole 36 outer sepal 37 middle sepal 38 inner sepal 39 stamen 40 ovary and style 41 capsule 42 seed 34–40 from Spencer 17/4/1893 (G) 41–42 from Roux 8/7/1860 (G) 43–51 C. oleifolius 43 leaves 44 bracteole 45 outer sepal 46 middle sepal 47 inner sepal 48 stamen 49 ovary and style 50 capsule 51 seed 39–49 from Rechinger 7819b (W) 50–51 from Tunta 901 (W).