Cycas balansae is a subtropical cycad from southern China and northern Vietnam, grown mainly as a pot plant in its native range and rarely seen elsewhere. It needs warm, humid, shaded to part-shaded conditions and good drainage.
Family
Cycadaceae (Cycad family)
Grows as
Shrub
Light
Part shade, Bright indirect
Water
Water freely in the growing season and let the top of the soil dry out between waterings; reduce sharply in winter.
Soil
Free-draining mix with added grit or bark, such as a cactus or cycad mix.
Temperature
18–30 °C; protect below 10 °C
How easy
Moderate
Safety
Toxic: All parts, especially seeds, contain toxins (cycasin and related compounds) that can cause vomiting, liver damage and other serious effects if eaten.. Toxic to cats and dogs (ASPCA).
Native range
China (SE. Guangxi) to N. Vietnam
Climate
wet tropical
About
Cycas balansae is a species of cycad in the genus Cycas, native to southwestern China (southeast Guangxi) and adjacent northern Vietnam (near Hanoi), where it occurs in dense mountain rainforests.
It has a subterranean, unbranched stem 12–20 cm in diameter, bearing 4-9 leaves, each leaf 1.2-2.6 m long, pinnate with 90-160 leaflets, and armed with spines along the petiole. The leaflets are papery in texture, and angled forward at 80 degrees.
How to grow it
It is cultivated as a pot plant in its native range, but is not seen with any frequency outside of this area.
It is named after the French botanist Benedict Balansa.
Where it grows
In northeastern Vietnam, Cycas balansae is found in Lang Son, Vinh Phuc, Thai Nguyen, and Quang Ninh provinces. In Guangxi, China, it is found in the Shiwan Dashan (mountains). In Yunnan, China, it is found in Jingping, Maguan, and Pingbian counties.
Text excerpted from the Wikipedia article Cycas balansae by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.