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Hoya subcalva

I. H. Burkill

Published in Bulletin of Miscellaneous Information 141 (1901) by I. H. Burkill. Hoya subcalva originates from Papua New Guinea and Solomon Islands. The name subcalva means "somewhat glabrous".

Hoya subcalva is a fast grower, so it's a good idea to grow it on a steady support from the beginning. The plant on the picture below is only 2½ years old. It's a good climber and it grabs anything it can get hold of in the window. The stems break easily. The dark green leaves are large and glabrous. New growth is red tinted.

Plant
Leaves: Dark green, glabrous, 19 cm long, 8 cm wide
Growth habit: climbing
Flowers
No. in a cluster: 15-20
Size: 3 cm
Colour: pink and yellow streaked corolla, white corona with red centre
Form: flat
Scent: yes, strong 
Nectar: yes
Lastingness: less than a week

 

Hoya subcalva is rather thirsty so I grow my plant in a selfwatering pot. I never let it dry completely between waterings. It is placed in a window facing south without no shading and it thrives there.

It took over 2 years before it got in bloom for the first time, but it was well worth the wait. The 3 cm large flowers are quite impressive and they fill the room with a nice sweet and spicy scent.


To the left; a picture of the pollinarium.

 

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Copyright © Jeanette Karlsen