Taxonomic Key to Impatiens 1. Pouched sepals not spurred......................................I. ecalcarata
1. Pouched sepals spurred.
2. Leaves opposite or whorled (at least some of them), finely saw-toothed; flowers blue to purple or purplish-pink or sometimes white............................ I. glandulifera
2. Leaves alternate, coarsely saw-toothed; flowers orange or yellowish.
3. Spurs of the sepals straight, directed backward.......................................I. parviflora
3. Spurs of the sepals curved or hooked.
4. Flowers less than 2 cm long, without spots..........................I. aurella
4. Flowers more than 2 cm long, spotted, mottled or sparingly flecked.
5. Flowers orange, brown-spotted, or -mottled.........................I. capensis
5. Flowers yellow, sparingly flecked with brownish purple........................I. noli-tangere
