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| The species nigrescens is rare in the wild and only one selected form of it is generally known to gardeners. This is the one pictured below, known for it's tall, upright petioles. There are no known types differing enough to be labeled separately. It is glaucous, but not generally perceived as blue in color. A number of hybridizers have worked with the plant despite its poor seed output. The results have been most impressive. Four examples are: 'Krossa Regal', which is most likely a selected seedling, 'Flower Power', 'Garnet Prince', and 'Gold Regal'. It is native to Honshu Island in Japan. The new spring shoots are very darkly colored which is referenced in the Japanese name: Kuro Giboshi, the "black hosta". |
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