Hoya pauciflora is named after its distinctive characteristics of having very few flowers. The name is from the Latin word “pauci meaning “few and “flora” meaning flowers.
This glabrous narrow leaved plant comes from south West India and the neighboring Island of Sir Lanka (Ceylon). It is a compact thick stemmed bushy grower. In nature it is found matted over boulders in the moist forest regions or scrambling on tree trunks in the low mountainous areas but also up to 5000' elevation. It seems to prefer shady places so might flower better in subdued light and with high humidity. It can not really be considered a climbing vine , but rather a bushy rambler. The internodes (sections of stem between leaf pairs) are irregular and this gives rise to clumps of leaves. The narrow leaves are rather rigid, deep green, with slightly turned under edges, cupped in the center with no visible veins. The leaf point is blunt.
In the moist areas and with high humidity of a greenhouse this species will readily form a lot of adventitious roots, mostly at the nodes, but also occasionally from the internodal areas. It is thus very well adapted to cling to rough rock surfaces. You might try growing it on a rock support. It is a shy bloomer and usually has only a pair of flowers at a time. This blooming habit may be due to the clone we now have in commerce. It is reported in the literature that the plants from the Sir Lanka area are
To get this Hoya to develop the beautiful white flowers with small red coronas, subject it to very cool temperature at night and then bring it back into a very warm temperature during the day. The flowers are 2.5 cm each and they grow mostly one by one. They have a fresh fragrance, produce small drops of nectar and last almost two weeks.
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