Hoya Plant

Hoya flower

Hoya flower

Here is an interesting flower seen at Selby Gardens in Sarasota, Florida. The Hoyas are a group of tropical vines that are usually epiphytic. That means that they grow up on a support (such as a tree) and need humid air and dew for a source of water. The most common houseplant sold in garden centers is Hoya carnosa. It comes in a variety of leaf colors and if given enough sunshine, it will flower. The flower and plant are waxy to conserve moisture. Although they may be grown in a humid area, they make the most of any liquids coming their way by being almost plasticy feeling with a heavy layer of wax.

The reason I wanted to show you a picture of the inflorescence is that it is a good example of an umbel. The individual flowers are tiny five petalled affairs. The are clumped together by their stems and come out from the center like a firework. That is an umbel. In the Hoya they are usually a ball of individual little flowers. Some other plants that are umbel-bearers are flat topped umbels like the wild carrot, etc.




  1. Cathy said,

    March 9, 2014 at 6:11 PM

    How can a person in Canada get this plant? They are just incredible.

    • March 9, 2014 at 9:44 PM

      The closest I can think of available for sale as a houseplant, it what is known as the Wax Plant. The leaves are way prettier, but the flower is smaller and pink. I have never seen this type for sale commercially.

    • March 9, 2014 at 9:49 PM

      This place may have some Hoyas that are unusual.
      Gardino Nursery : a tropical nursery in South Florida specializing in a variety of rare and unusual plants.
      Delray Beach, FL • PHONE: 1-888-241-1572 FAX: 561-495-7383 • EMAIL
      Office Hours are 9:00AM – 5:00PM ET Monday – Friday

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