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Hoya praetorii

F. A. W. Miquel

Published in Flora van Nederlandsch Indië 2 526 by F. A. W. Miquel. This volume was published in seven parts between 1856 and 1859. The parts (and years they where published)are not evident from the book I've seen. Hoya praetorii originates from Indonesia. It was collected on Sumatra and it's named after its collector, C. F. E. Praetorius.

Hoya praetorii has been circulating in Sweden as Hoya lasiantha for some years. They are similar to each other, but Hoya praetorii is smaller in all measures. They both have

Plant
Leaves: dark green, some silver, 20 cm long, 9 cm wide
Growth habit: shrubby
Flowers
No. in a cluster: 15-20
Size: 2 cm (measured flat), height 1.4 cm  
Colour: orange corolla, beige/wine red corona 
Form: reflexed
Scent: weak
Nectar: not visible
Lastingness: less than two weeks 

lovely flowers and are well worth growing. You don't need much patience since they both are easy to get in bloom. Hoya praetorii has a shrubby growth. I've tried to grow mine in a hanging basket, but it took a lot of space. Now I have it in a pot on a table and even if it doesn't get much light there it seems to thrive. The leaves are big; about 20 cm long and 9 cm wide. They are thin, dark green and glabrous.

The flowers of Hoya praetorii are among the most beatiful. They are bright orange and a big part of the corolla is covered by white hair. The corona is beige/wine-red. The flowers are reflexed and measures 2 cm (measured flat). They are about 1.4 cm high. The scent is weak. The peduncle is brownish yellow so it looks like it's going to drop any minute, but that's the normal colour. The peduncle drops after a few flowerings.

Hoya praetorii can be tricky to grow. It needs much more water and nutrition than the average hoya.