Species of pteroxygonum are twining vines growing from a large woody globe-shaped tuber. Their leaves are broad and palmate with a dark red mark around each primary leaf vein. The inflorescence is in the form of an axillary raceme. The flowers are bisexual with five spirally arranged tepals eight stamens joined at the base and three styles also joined up to about the middle. Their fruits are in the form of winged three-angled achenes. As of spring 2019 two species are recognized. Their native range is from Tibet to southeast China.
Water:
Pteroxygonum thrives in consistently moist soil, requiring weekly watering to maintain health. While resilient to occasional water fluctuations, it prefers stable moisture. As an indoor plant, pteroxygonum benefits from controlled temperatures and moisture levels provided by container cultivation.
Propagation:
Pteroxygonum is propagated mainly through seed sowing after seed dormancy treatment, requiring a well-draining soil mix, warm temperatures, and humidity for germination. Division of mature plants is possible but labor-intensive. Key steps include stratifying seeds, maintaining moisture, and transplanting when established.
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