Urceola micrantha

Urceola micrantha is a woody climber. It belongs to the Apocynaceae family. Its native range runs from the eastern Himalaya to southern China. It also grows in Japan’s southern Nansei islands. Its range reaches Peninsular Malaysia too. Records list India, Nepal, Myanmar, Thailand, Cambodia, Laos, and Vietnam. Kew places it in the wet tropical biome. Useful Tropical Plants calls it a wild climbing shrub.

Its strong stems can grow about 164 feet [50 metres] long. This is stem length, not a measured garden height. The sources give no usual size range for garden plants. They give no mature width or measured growth rate either. In China, it grows in mixed forest and scrub. Known sites lie about 984–3,281 feet [300–1,000 metres] above sea level. These records show where it grows in the wild. They do not show tested garden needs. The text gives no details of bark texture or leaf shape. It does not describe the flowers, fruit, or seeds.

Plants For A Future lists several woodland garden sites. These include sunny margins and dappled shade. It also lists shaded woodland edges. Useful Tropical Plants gives no detailed guide to growing it. The evidence does not state its water needs or suitable soil. It gives no soil pH range or winter hardiness rating. It lists seed as a way to grow new plants. It gives no sowing method or seed treatment. It does not say how long seeds take to sprout. The sources give no bloom season or pollination details.

People sometimes gather this plant from the wild for local medicine. The recorded remedies use its bark and roots. Past uses include polio and rheumatic pain. They also include injuries and broken bones. These records show use, not proof that the treatments work. The plant also yields latex. Reports put its rubber content at up to 35%. This gives it a material use as well as a medicinal role. The evidence gives no methods to collect or process latex.

Useful Tropical Plants records no edible use for this plant. Plants For A Future gives it an edibility score of zero. Useful Tropical Plants lists no known hazards for the species. This does not prove it is safe for people or pets. Plants For A Future marks it as non-weedy. The supplied evidence names no specific pests or diseases.