Click the number at the start of a key lead to highlight both that lead and its corresponding lead. Click again to show only the two highlighted leads. Click a third time to return to the full key with the selected leads still highlighted.
1 Flowers not tubular at the base (or with a short tube to 2 cm long); petals erect
..2 Flowers red, orange, or mixed red-and-yellow; capsule 1.5-2 cm wide; leaves green
....3 Inflorescence with < 5 flowers; seeds 6-6.5 mm long
....3 Inflorescences with > 10 flowers; seeds 7-10 mm long