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Hoya megalaster

O. Warburg

Published in Repertorium Novarum Specierum Regni Vegetabilis 3 343 (1907) by Otto Warburg. It was collected by Max Udo Hollrung in Kaiser Wilhelmsland, Papua New Guinea. The name means big star.

I have had my Hoya megalaster for four years and had to re-root it a few times during this period. I guess I gave it too much water during the winters.
 

Plant
Leaves: dark green, glabrous, raised veins 15-17 cm long, 10 cm wide
Growth habit: climbing
Flowers
No. in a cluster: 10-15
Size: 6 cm measured flat
Colour: pink corolla, darker corona
Form: campanulate / almost flat
Scent: yes
Nectar: -
Lastingness: about a week

Hoya megalaster is a large species and it can grow quite fast. Since this is a twining species the stems get entangled in everything near the plant. The stems are very thin so it is a good idea to bind them on a trellis as they grow. Otherwise there is a risk that you break them when trying to arrange the entangled stems.

Hoya megalaster requires a lot of light and warmth to bloom. The flowers are large and the colour reminds of raw meat. They spread a nice, somewhat spicy, scent in the evenings. The pollinarium below, to the right, measures 1.5 mm.

Hoya macgillivrayi has once been circulating among hoya collectors as Hoya megalaster. Still some incorrect identified plants and cuttings appear. The two species are quite different and with only a cutting at hand it is still easy to tell which is which. Both the stems and leaves of Hoya megalaster are much thinner and the leaves also have characteristic dimples between the veins.