Dalbergia hirticalyx is a large tree which grows to 29 meters tall.

[1] Dalbergia hirticalyx is known from three separate locations in southwestern and west-central Madagascar.

[2] The species is threatened with habitat loss and a declining population and area of occupancy.

All the current known locations of Dalbergia hirticalyx are found in areas threatened with from human-set fires to clear land for livestock grazing, illegal timber logging, and logging for traditional uses and for firewood.

The current status of the Bongolava population is unknown, and it may have been extirpated from the area.