1 "Flowers opening wide, radially symmetrical, upward- and outward-facing" "Clivia miniata" 1 "Flowers with the perianth hardly spreading or only spreading distinctly at the tips, more or less drooping" 2 2 "Plants with a distinct stem" "Clivia caulescens" 2 "Plants mostly without a stem" 3 3 "Flowers narrowly trumpet-shaped, salmon orange" Clivia×cyrtanthiflora 3 "Flowers sub-cylindric, curved and bilaterally symmetrical, green-tipped" 4 4 "Leaf margin smooth; umbel of 10–20 flowers, the tips of the tepals spreading, individual flower stalks stiff" "Clivia gardenii" 4 "Leaf margin minutely toothed; umbel many-flowered, tips of tepals not spreading, flower stalks weak, drooping" "Clivia nobilis"