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