Hoya hellwingiana
Hoya hellwingiana is an old Warburg name from the 1890s for a plant of northeastern New Guinea, collected in the German colonial period and, as far as we can tell, never recorded since: GBIF holds no wild occurrences and no climate could be measured. If a plant under this name reaches you, grow it as a warm New Guinea lowland or hill-forest epiphyte: bright filtered light, warm nights, high humidity with airflow and an open bark mix. Everything here is generalised from the genus and region.
Where it grows wild
Presumably an epiphytic twiner of humid lowland to hill rainforest on the Huon Peninsula or nearby coast of northeastern New Guinea, where Warburg's collectors worked; no habitat detail survives in the material available to us.
Unknown; the Finschhafen and Sattelberg country where the early collections were made runs from sea level to about 1,000 m.
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.