Relating to or producing cleistogenes; characterized by reproduction through closed-flower self-pollination.
From cleistogene plus -ous suffix (full of, characterized by). A variant adjectival form emphasizing the generative or productive aspect of cleistogamous reproduction.
This is essentially another way to say 'cleistogamous,' but it emphasizes that the plant is actively generating offspring through this method—it's the difference between describing how something works versus describing what it produces.
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