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Suriana family
Surianaceae
スリアナ科
A small family of about 5 genera and 8 species centered on Suriana, adapted to tropical coastal sands and rocky shores as shrubs or trees. Placed in Fabales under APG IV. In Japan, Suriana grows on the coasts of the Ogasawara Islands.
Key Characteristics
- ●Strongly adapted to coastal sandy and rocky shore environments
- ●Leaves coriaceous, sometimes somewhat succulent
- ●Flowers pentamerous, actinomorphic
- ●Fruit composed of multiple mericarps
- ●Shrubs to small trees
Morphological Traits
A family may include species with different trait values — multiple values indicate the range within the family.
Leaf arrangement
Alternate
Leaf type
Simple / Compound
Venation
Pinnate
Leaf margin
Entire
Growth form
Shrub / Tree
Evergreen/Deciduous
Deciduous
Leaf dissection
Undivided
Stipules
Absent
Flower symmetry
Actinomorphic
Petal count
Many
Petal fusion
Free
Ovary position
Superior
Stamen count
5
Plant sex
Hermaphrodite
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Rosids > Fabales > Surianaceae
Divergence Era
Paleogene (approx. 50 million years ago)
Representative Genera
Related Evolution Events
- ・Phylogenetic isolation within Fabales (lacking rhizobial symbiosis)
- ・Restricted distribution due to specialization in coastal environments
Plants in Suriana family on this site
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