|
| 1 |
Capsule broadly elliptic to fusiform, densely
tomentose, pendulous. |
|
Impatiens balsamina |
| + |
Capsule cylindrical to subclavate, glabrous to sparsely pubescent, nodding or erect |
|
(2) |
| |
|
|
|
| 2 (1) |
Capsule erect |
|
(3) |
| + |
Capsule nodding |
|
(8) |
| |
|
|
|
| 3 (2) |
Flowers white, 4-6 mm long, almost spurless |
|
Impatiens brachycentra |
| + |
Flowers pink-white or yellow or a mixture of
both, more than 12 mm long; spur well-developed |
|
(4) |
| |
|
|
|
| 4 (3) |
Leaves crenate or crenate-dentate. Flowers yellow or pink-yellow, sometimes streaked red. Spur curved |
|
(5) |
| + |
Leaves sharply serrate. Flowers pink-white (sometimes suffused with yellow). Spur straight |
|
(7) |
| |
|
|
|
| 5 (4) |
Stem, leaves and capsule puberulous-glabrous. Bracteoles present |
|
Impatiens scabrida |
| + |
Stem, leaves and capsule glabrous. Bracteoles absent |
|
(6) |
| |
|
|
|
| 6 (5) |
Flowers yellow. Lower sepal conical to funnel shaped, tapering into a spur, 1-1.2 cm long |
|
Impatiens edgeworthii |
| + |
Flowers pink and yellow. Lower sepal broad conical (in typical forms), ending in a spur less than 1 cm |
|
Impatiens bicolor |
| |
|
|
|
| 7 (4) |
Stem and lower sepal of flower 18-27 mm long, flowers pink-white with some yellow. Capsule 20-24 mm long |
|
Impatiens balfourii |
| + |
Spur and lower sepal of flower 8-15 (-18) mm long; flowers pink-white only. Capsule up to 12 mm
long |
|
Impatiens flemingii |
| |
|
|
|
| 8 (2) |
Plants 100 cm or more tall, robust. Flowers pink-red, or red-purple and yellow |
|
(9) |
| + |
Plants up to 50(-35) cm tall, not robust. Flowers pink, or pink-white and yellow |
|
(10) |
| |
|
|
|
| 9 (8) |
Upper leaves verticillate and serrate. Capsule broadly clavate, 1.4-1.8 cm long |
|
Impatiens glandulifera |
| + |
Upper leaves alternate and crenate. Capsule cylindrical, up to 3 cm long |
|
Impatiens sulcata |
| |
|
|
|
| 10 (8) |
Upper petal of the fused petal pair with a short appendage |
|
Impatiens thomsonii |
| + |
Upper petal of the fused petal pair without an appendage |
|
(11) |
| |
|
|
|
| 11 (10) |
Leaf serrations blackish (in dried specimens). Flowers pink. Lower sepal with spur c. 13 mm, spur straight. Anterior petal orbicular. cuneate; lateral fused petal pair 10-11 mm long, the lower much prolonged |
|
Impatiens meeboldii |
| + |
Leaf serrations not black. Flowers pink, white and yellow. Lower sepal with spur 19-24 mm, spur curved. Anterior petal orbicular, retuse; lateral fused petal pair c. 19 mm long, the lower some-times retuse |
|
Impatiens lemannii |
|
