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Columnea rubricalyx

Columnea rubricalyx is an epiphytic gesneriad of the wet Pacific (Chocó) lowland and foothill forests of north-western Ecuador and south-western Colombia, named for its red calyx. It was once placed in Trichantha. Little is published about it beyond the original description, so these conditions come from its measured sites and from lowland Columnea in general.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

No rest periodGrows on trees (epiphyte)

Where it grows wild

Wet lowland to premontane rainforest on the Pacific slope of the Andes, where it grows as an epiphyte on trunks and branches in the forest interior. Details of its microhabitat are not published; this follows the genus.

GBIF records span 150-1800 m with a median of 660 m; the Colombian species catalogue gives 5-840 m, so it is mainly a lowland and foothill plant.

ColombiaEcuador

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates

✓ Humidity band, and how to hold it

✓ Light as DLI and PPFD for a grow light

✓ Wet and dry seasons, and whether to rest it

✓ Substrate and airflow

✓ A step-by-step setup to grow it like the wild

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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.