''Guihaia'' is a genus of three species of

dioecious Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproductio ...

palms found in

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

and Vietnam.Flora of China, Vol. 23 Page 144, 石山棕属 shi shan zong shu, ''Guihaia'' J. Dransfield, S. K. Lee & F. N. Wei, Principes. 29: 7. 1985.
/ref>J.Dransf., S.K.Lee & F.N.Wei. 1985. Principes 29: 7-12 Perhaps its most distinctive characteristic is that it is the only palm with

palmate The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular o ...

leaves that has reduplicate (A-shaped) leaf folds. All other palmate leaves have induplicate (V-shaped) leaf folds. ''Guihaia lancifolia'' has undivided leaves.

Species

References

Coryphoideae Arecaceae genera Flora of China Flora of Vietnam Dioecious plants {{Arecaceae-stub