Petrocodon laxicymosus
Petrocodon laxicymosus is a species of plant first found in limestone karsts of Guangxi, China. It is similar to Petrocodon coriaceifolius, differing in the texture, size and shape of its leaves; the size and pubescence of its inflorescence and corolla; the shape of its anther; and length of its pistil.[1] References
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