The Mediocalcar umboiense is a colorful miniature orchid from Papua New Guinea that produces bright orange flowers and is ideal for terrariums. This orchid is particularly suitable for terrariums, paludariums, or mini orchid cabinets. With its bushy structure, this Mediocalcar orchid can grow into a full-fledged, compact orchid. Mediocalcar umboiense is native to the forests of Papua New Guinea, where it thrives in higher humidity and moderate temperatures. This species is an epiphyte, meaning it grows on trees in the wild, but it can also be grown in well-drained pots or terrariums. The bright orange-yellow flowers appear in small clusters above the compact leaves, creating a cheerful, tropical look. Thanks to its densely branched growth, the plant is perfect for creating a vibrant accent in a terrarium or plant corner. For more information about this Araflora plant, see the plant information below.

The Mediocalcar umboiense is best kept in a terrarium where the temperature is no higher than 30 degrees Celsius. This orchid prefers a humid environment, but be careful not to soak the substrate. Caring for the Mediocalcar umboiense orchid:
- Water: Keep the soil or substrate slightly moist, but ensure it is well-drained; stagnant water can cause root rot. 
- Light: Bright, indirect light; avoid direct sunlight to prevent leaf burn.- Temperature: Ideally 20–30°C (68–86°F), maximum 30°C (86°F); suitable for warm to temperate climates.- Humidity: High (70–90%), as in a tropical terrarium.- Substrate: Airy, well-draining orchid mix or epiphytic bark.- Feeding: During the growth period, give a light dose of orchid food once every 2–4 weeks . 
- Pruning: Remove any dead leaves or old flowers to promote healthy growth.
Tip: Place the orchid in a well-ventilated terrarium to prevent mold problems and encourage healthy flowering. For more information about this Araflora plant, see the care symbols below.