Cosmianthemum sp. “Black”

Cosmianthemum sp. “Black” is a rare and visually striking plant from the genus Cosmianthemum in the Acanthaceae family. This species is native to the rainforest floor of West Borneo, Indonesia. It is characterized by its dark, almost black leaves with highly pronounced and bullated venation, giving it a unique and cryptic appearance that can easily be overlooked at first glance.

Natural Habitat & Distribution:

Cosmianthemum sp. “Black” thrives in the humid, shaded conditions of the rainforest floor in West Borneo, Indonesia. It is adapted to low-light environments with high humidity, making it well-suited for cultivation in terrariums or vivariums that replicate its native habitat.

Care Tips:

• Light: Low to high light; can adapt to strong light.

• Humidity: High (around 70% or higher).

• Watering: Intermediate; do not let the soil dry out, but avoid sogging for a longer period of time.

• Soil: Acidic with good drainage (e.g., sphagnum moss with perlite and peat or similar).

• Fertilizing: Low.