| 1. | Leaves simple, ovate, lanceolate, greenish-gray, 1-2 cm long, bluish purple flowers.
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| 2. | Consisting of colorless needle-like crystals, it emits bluish purple fluorescence by UV irradiation.
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| 3. | The corolla is reddish or bluish purple with a yellow center.
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| 4. | The forewings are relatively slender and immaculate, fuscous with a slight bluish purple iridescence.
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| 5. | Flowers are bright rose or lavender-blue to bluish purple, or ( rarely ) white.
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| 6. | They are rarely white, but more often a pink, violet, rosy pink or bluish purple.
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| 7. | Flowers can range from blue to pink, but are most often blue or bluish purple.
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| 8. | The petal tube is metallic bluish-green to bluish purple on the top and pale yellow below.
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| 9. | It is lavender to reddish or bluish purple.
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| 10. | The one-quarter-inch-size fruit take two years to ripen and turn from green to a bluish purple.
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