What Is the Sakishima Suou-no-ki? A Guide to the Characteristics of the Giant Board Roots Found on Ishigaki Island and How to Get There
What is the Sakishima Suou-no-ki?
The Charm of the Giant Board Roots Found on Ishigaki Island

Ishigaki Island hasGiant Buttress RootsDid you know there’s an impressive giant tree called the Sakishima Suou-no-ki?
In this article, we’ll provide an easy-to-understand explanation of its characteristics, where to see it, its fruits and seeds, and how to grow it in a pot.
◆For those who would like to grow a Sashima Suou-no-ki tree
◆For those who want to enjoy nature while sightseeing on Ishigaki Island
◆For those who want to see the Sashima Suou-no-ki in person
Click here to see the ranking of popular tours in Ishigaki Island.
What is the Sakishima Suou-no-ki?
Features Explained

A subtropical tree with distinctive plate-like roots,Litsea coreana (species of tree in the laurel family)The following is a list of the most common problems with the
First, let's take a look at the origin of its name, its classification, and its distribution.
What Are Board Roots?
The most distinctive feature of the Sakishima Suou-no-ki is its roots, known as “bankon.”
Roots protruding from the ground in flat, plate-like formations overlap in multiple layers, and2 meters highIt can sometimes reach that level.
It's thought to be a way to support the tree even in unstable wetlands.
Thanks to its unique architectural beauty, it’s also a popular spot for taking photos.
Taxonomy and Ecology as a Tree
saxifrage (Saxifrageum vulgare)MalvaceaeIt is an evergreen tree.
The Japanese name “Suou” derives from the dye plant Suou, and “Sakishima” refers to the Sakishima Islands.
Another characteristic is that it prefers to grow in moist environments, such as behind mangrove forests.
It's also called a "looking-glass tree" in English.
Distribution in the Okinawa and Yaeyama Regions
In Japan, it is found from Amami Oshima and southward, including Okinawa Island, Ishigaki Island, and Iriomote Island.
Globally, it is widely found in tropical and subtropical regions such as Southeast Asia, Taiwan, and Australia.
The Sakishima IslandsIn particular, the environment there is well-suited for the development of plant communities.
You'll have plenty of opportunities to encounter them while traveling around Okinawa's main island and its outlying islands.
Let's go see the real thing!
Sightseeing Spots on Ishigaki Island

Sakishima Suou-no-ki on Ishigaki IslandPlaces to VisitYou'd want to know that, right?
I'll give you a detailed overview, including how to get there and what to keep in mind during your visit.
The Sashima-suou-noki Grove in Ntanara
(Nationally Designated Natural Monument)
Located in the central-northern part of Ishigaki Island, at the foot of Mount Fukai Omoto, lies the “Ntanara Sakishima Suou-no-ki Grove.”
It is considered scientifically valuable as a rare example of a plant community forming along a mountain stream away from the coast.
In 2016,National Monumentdesignated to the
The sight of these impressive, interconnected buttress roots is definitely worth seeing.
Access: 20 minutes by car from Ishigaki Airport
Access & Directions
The area around the Ntanara River is located near the southern exit of the Omoto Tunnel, which connects Fukai and Miyara.
Because this is a difficult trail that involves walking through streams, we do not recommend exploring it alone.
LocalEco-Tour GuideIt's reassuring to have someone go with you.
You'll enjoy your visit even more when you're with a guide who knows Ishigaki Island's nature inside and out.
↓Click here for recommended itineraries for Mount Omoto in Fukai↓
Ishigaki Island/One-day】Trekking tour with the most difficult level of difficulty開始時間8:00-17:00所要時間Approx. 9 hours13,500 yen
Duration of the Tour and Important Notes
Guided tours usually take a few hours.
Since we'll be walking through mangrove forests and along mountain streams,clothes that are easy to move around inLet's get our shoes ready.
Please be careful of wildlife, such as snakes, and be sure to follow the guide's instructions.
Don't forget to follow proper etiquette for protecting nature, such as taking your trash home with you.
What shape are the fruits and seeds?
Feature Highlights

The Sakishima Suou Tree'sFruits and SeedsIt also has some interesting features.
Once you understand how it works, your interest in trees will really deepen.
Shape and Characteristics of the Fruit
In fact, they are about 3 to 6 cm in length, and their skin is hard and glossy.
It has a structure with many voids inside, andTends to float in wateris a feature of this product.
Thanks to this structure, they can be carried far away by the ocean currents.
It can truly be called a masterful mechanism created by nature.
Seed Characteristics and Germination Conditions
The seeds are structured to withstand long periods of drifting while floating on seawater.
Intertidal WetlandsIt is said to germinate easily in constantly damp environments, such as mangrove backwaters.
Since it is sensitive to dry conditions, adequate moisture is essential for germination.
It's interesting to observe them while imagining their natural habitat.
How to Grow as a Houseplant or Potted Plant

Because of the unique shape of its buttress roots,HouseplantsMore and more people are enjoying it as a hobby.
Here, we’ll cover the basics of growing plants in pots.
How to Obtain Seedlings and Seeds
Sakishima Suou-no-ki can be found at specialty garden centers andOnline StoreYou might find it there.
If you want to enjoy watching the buttress roots develop, we recommend starting with a small sapling.
When purchasing, be sure to choose a reputable seller.
Please keep in mind that because this is a rare species of tree, it may not always be in stock.
Basics of Growing Potted Plants
Since it prefers high temperatures and humidity, it should generally be kept in a warm spot indoors.
Well-drained potting mixIt's also important to choose the right one to prevent root rot.
As the plant grows, you'll need to repot it into a slightly larger pot.
If you want to enjoy watching the buttress roots develop, take your time and grow the tree over the long term.
Tips for Sunlight and Watering
Brighter than direct sunlightPartial shadeIt is generally considered to be relatively easy to grow.
The general rule is to water thoroughly once the soil surface has dried out.
Since this tree prefers a moist environment, it’s best to avoid extreme dryness.
Another key tip is to water a little less frequently during the winter.
Common Mistakes and Solutions
Since they are sensitive to the cold, their leaves are often damaged by low winter temperatures.
During the colder months, indoors...A warm placeLet's move it there.
Root rot caused by overwatering is another common mistake to watch out for.
Keeping the environment well-ventilated is also a key to raising healthy plants.
Things to Enjoy Along with Sightseeing on Ishigaki Island
Activities

Since you're making the trip to Ishigaki Island, be sure to enjoy the great outdoorsActivitiesI'd like to enjoy that as well.
Here are a few recommended spots.
Snorkeling and Diving Tours

Snorkeling and diving are extremely popular in the crystal-clear waters off Ishigaki Island.
Colorful fish andcoral reefYou can observe them up close.
There are plenty of tours designed for beginners, so you can join in with ease.
Encounters with marine life are sure to add a touch of wonder to your travel memories.
Snorkeling Tours in Ishigaki Island
Click here to see the popularity ranking
Click here for recommended plans ↓↓.
Ishigakijima/Half Day] You may see sea turtles☆Snorkeling & Cave Exploration Tour of the Unexplored "Blue Cave"★Free Photo & Transportation Included (No.304)開始時間9:00-12:00 / 13:30-16:30所要時間Approx. 3 hours13,500 yen →6,900yen
Special Summer SALE 【Ishigaki Island / 1 Day】If you have any doubts, this is the one for you☆Let's look for sea turtles! Kabira Bay SUP/Canoe & Blue Cave Snorkeling Tour ★ (No.349)開始時間9:00-16:00所要時間Approx. 7 hours29,000 yen →13,500yen
Special Summer SALE【Ishigaki Island / 1 Day】Take in 2 remote islands to the fullest! Spectacular "Phantom Island" Landing + Snorkeling & Relaxing "Taketomi Island" Sightseeing 《Photo free & Transportation included》(No.459).開始時間8:00-16:30所要時間Approx. 6 hours19,600 yen →9,800yen
Kawahira Bay Canoe & Glass-Bottom Boat Tours

Kabira Bay, one of Ishigaki Island’s most spectacular scenic spots, is definitely a place you’ll want to visit.
glass boatIf you ride it, you can peer into the world of the coral reef from the bottom of the boat.
During the canoeing experience, you can enjoy the scenery as you leisurely paddle through a quiet cove.
Why not take some time to relax and enjoy the ocean with its beautiful natural gradients?
Ishigaki Island Glass-Bottom Boat
Click here to see the ranking of popular tours
↓Glass boat experience is also available!
Click here for recommended set plans
Kabira Bay Tour by EV Tricycle with free pick-up and drop-off with a reliable guide and a superb view of "Kabira Bay" *Drone photography available tour with glass boat ticket and Blue Seal Ice Cream> (No.598)開始時間9:00 / 10:00 / 11:00 / 12:00 / 13:00 / 14:00 / 15:00 / 16:00 / 17:00所要時間Approximately 2 hours and 30 minutes15,000 yen
Ishigaki Island/1 Day] Glass Boat Experience & Blue Cave Snorkeling Tour at "Kabira Bay"★Free Photo (No.392)開始時間9:00-15:30所要時間Approximately 6.5 hours13,800 yen →9,800yen
[Ishigaki Island] Experience World-Class Beauty! Glass-Bottom Boat Tour & Your Choice of SUP or Kayak Tour at Kabira Bay★ (No. 379)開始時間9:00-15:30所要時間Approximately 6.5 hours13,800 yen →9,800yen
Star gazing tour

Iriomote-Ishigaki National Park, which includes Ishigaki Island, was the first in Japan tostarry sky reserveThis is a region that has been designated as such.
It's a rare spot where you can observe 84 of the 88 constellations, including the Southern Cross.
If you take the night tour, you can fully enjoy the star-filled sky and the Milky Way.
You're sure to discover a side of Ishigaki Island that's different from daytime sightseeing!
Starry sky tour
Click here to see the popularity ranking
Click here for recommended plans ↓↓.
★Summer Special SALE [Ishigakijima Island] Guided by a professional stargazing photographer☆Starry sky photo tour to enjoy one of the best starry skies in Japan★Recommended for couples, families, and girls' trip (No.356)開始時間20:00-22:00 (varies)所要時間Approx. 2 hours14,500 yen →7,900yen
Ishigaki Island/Northern part of Ishigaki Island】Islanders also recognize the beauty☆The first starry sky reserve in Japan "Shooting Star Hill"! Star gazing tour with live sanshin (No.315)開始時間Varies depending on the season.所要時間Approx. 1 hour5,900 yen
Ishigaki Island] Same-day reservations OK! Leave it to a professional photographer specializing in starry skies☆Let's take a memorable shot at a starry sky reserve! Fantastic Starry Sky Photo Plan (No.326)開始時間: Varies depending on the time of year and the movement of the moon.所要時間Approx. 30 min.6,500 yen
About the Sakishima Suou-no-ki
Frequently Asked Questions (FAQ)
summary

The Sakishima Suou-no-ki is a tree that represents Ishigaki Island, known for its impressive buttress roots.Nature's TreasureIt is.
In addition to visiting the Ntanara community, there are many ways to enjoy the experience, such as observing fruits and seeds and growing plants in pots.
Be sure to combine these activities with snorkeling and stargazing to fully enjoy the natural beauty of Ishigaki Island.
↓Click here to read the article.
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