They are native to the African tropics and subtropics, including Madagascar. They may grow from 20 cm to 2 m in height. Their hirsute stems are square in cross-section and their heart-shaped leaves have an opposite arrangement. Their purple or white pea-like flowers produce long, cigar-shaped seed pods. It contains some 17 species.
Water:
Brillantaisia prefers high humidity and consistent moisture, requiring weekly watering to maintain optimal soil conditions. When grown indoors, ensure potting soil is loamy and well-draining to support healthy growth while preventing root rot.
Propagation:
Propagation methods for brillantaisia include seed sowing and stem cuttings, requiring warm temperatures, high humidity, and well-draining soil. Sowing occurs in warm seasons; cuttings need bottom heat. Select healthy stems, use rooting hormone, and maintain moisture. Monitor growth and transplant when established.
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