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Hoya lacunosa (IML1648)

(C. L. Blume) C. L. Blume

Published in Bijdragen tot de Flora van Nederlandsch Indië 1063 (1826) by C. L. Blume. Hoya lacunosa originates from Indonesia and Malaysia.

This variety of Hoya lacunosa is often referred to as Hoya lacunosa 'Poonsak'. It's not a cultivar so it's not correct to write it that way. Poonsak is said to be the Thai man who helped David Liddle collecting it from a tree in Thailand.
 

Plant
Leaves: dark green, some silver flecks, 4 cm long, 1 cm wide
Growth habit: hanging/climbing
Flowers
No. in a cluster: 20-25
Size: 6 mm (10 mm measured flat)
Colour: white corolla and yellow/light green corona
Form: revolute
Scent: like perfume
Nectar: some
Lastingness: about a week

Hoya lacunosa IML1648 is my favourite among the lacunosas, mainly because of the nice looking leaves. They are quite small, only 4 cm long, and dark green with a lot of silver flecks. They are also thicker than the leaves of other lacunosas in my collection. The leaves don't hang down, but grow upwards or horisontal, which gives the whole plant a sprawling impression.

This is a hoya best suited for the hanging basket although it has climbing abilities. A few cuttings in the basket makes a nice looking plant. It tolerates drought, but is growing and flowering much better if it doesn't dry completely between waterings.


To the left; a picture of the pollinarium which measures 0.4 mm.
 

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Copyright © Jeanette Karlsen