| Name | Description |
|---|---|
| caelestinus |
sky blue |
| caelestis |
sky blue |
| caerulea |
blue |
| caeruleus |
blue |
| caesium |
bluish gray |
| caesius |
bluish gray |
| caespitosum |
tufted |
| caespitosus |
tufted |
| calamus |
reed |
| calcareus |
chalky, limey, of limestone |
| calceolata |
slipper-shaped |
| calceolatus |
slipper-shaped |
| calceolus |
small shoe |
| calcicola |
limestone loving |
| calciphilus |
limestone loving |
| calendula |
long lived |
| calli- |
prefix meaning "beautiful" |
| callianthemum |
beautifully-flowered |
| callianthus |
beautifully-flowered |
| callicarpa |
beautiful seed |
| callicarpus |
beautiful seed |
| callosa |
calloused |
| callosum |
calloused |
| callosus |
calloused |
| campanulata |
bell-shaped |