Cryptocoryne nurii spathe

About three months ago, I received a broad, easier to grow variety of Cryptocoryne nurii. The plants adapted quickly to cultivation and started robust growth. Last week, I was checking up on the plants and to my surprise, I noticed a dead spathe on one of the plants. It was quite unexpected since I had inspected the plants a couple of weeks earlier and hadn’t noticed anything. I checked the other plants, and sure enough, there was another plant sending up a spathe. This time, I caught it in bloom. Here are the pictures…

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A fairly well defined collar.
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The edge of the limb has protuberances. You can see them in this profile shot..
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Another angle..
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The leaves are also quite attractive…
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Inside the kettle.
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I cut away the valve to expose the male flower.
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The female flower looks small.
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