Friday, April 19, 2013

Comparative Anatomy


Day 199: As I watched the Hoya carnosa's blossom develop, I failed to notice until a few days ago that Hoya bella was also coming into bloom. In this photo, you can observe the differences in the inflorescence of each species. The common and well-known H. carnosa is on the left, its large, elongated oval leaves directly behind it. H. bella is on the right, smaller pointed leaves in the foreground and to the right. Both plants have the typically thick, star-shaped flowers which give rise to the generic common name of "wax plant," but as you can see, they are rather different in form. H. carnosa's blunt-tipped flowers may sometimes be more white than pink, depending on how much sunlight the plant receives. H. bella's little stars are always white.

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