;"C. galbaoensis";"C. guianensis";"C. squamelligera"
Stipules;"2–5 mm long";"5–9 mm long";"6–8 mm long"
Peduncle;"1–3 cm long, erect";"1–3 cm long, erect to patent";"4–5 cm long, apparently erect"
Involucre;"Two pairs of subequal bracts";"Two pairs of very unequal bracts";"Two pairs of unequal bracts"
"Involucral bracts size";"Outer bracts 27–44 × 9–25 mm, inner bracts 24–36 × 5–15 mm";"Outer bracts 19–42 × 3–10 mm, inner bracts 5–20 × 2–6 mm";"Outer bracts 12–14 × 9–11 mm, inner bracts 11 × 2.5–4.0 mm"
"Stalk of involucral bracts";"Stalk 8–10 mm long";"Stalk 4–6 long";"Not markedly stalked"
"Bracts colour";"Green to white";"Green (the base sometimes reddish-brown)";Orange
"Corolla tube length and shape";"17–19 mm long, almost cylindrical (slightly wider towards the mouth)";"5–8 mm long, conspicuously wider towards the mouth";"Flowers unknown"
"Anthers position in short-styled flowers (style always included)";"Only tips exserted /";"Fully exserted";-
"Style position in long-styled flowers (anthers always included)";"Just reaching corolla mouth";"Well exserted";-
"Pyrene dimensions";"8–9 × 3.5–4.0 mm";"9 × 3.0–3.5 mm";"11–14 × 4–7 mm"