Philodendron callosum
An epiphytic philodendron of the wet forests of northern South America, from Venezuela through Guyana and French Guiana to northern Brazil, with two subspecies. It has thick, leathery, glossy leaves, and its flowers release scents that attract the scarab beetles that pollinate it. Grow it warm and humid in bright, filtered light, mounted or in a very open aroid mix.
Where it grows wild
Grows as an epiphyte on trees in wet lowland forest of the Guiana region and neighbouring Amazonia, rooting into bark and moss. The sources found give no detail on the height at which it grows on its hosts.
No elevation range was found in the sources, and GBIF has no usable wild records, so none could be measured; the range points to mainly lowland forest.
🔒 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. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.