Schizostachyum jaculans is an evergreen bamboo forming a dense clump of culms 6 - 15 metres tall from short, woody rhizomes. The erect, slender, thin-walled, woody culms have a pendulous tip; they are 20 - 35mm in diameter with internodes 50 - 100cm long[
The plant is harvested from the wild for local use as a source of materials. It is sometimes planted along forest roads to stabilize the soil and prevent erosion.
E. Asia - China, Thailand, Malaysia.
Dense primary forest, and also in the more open, secondary formations of southern China[
]. Usually cultivated in lowland Peninsular Malaysia, at elevations up to 200 metres[
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Bamboos have an interesting method of growth. Each plant produces a number of new stems annually - these stems grow to their maximum height in their first year of growth, subsequent growth in the stem being limited to the production of new side branches and leaves. In the case of some mature tropical species the new stem could be as much as 30 metres tall, with daily increases in height of 30cm or more during their peak growth time. This makes them some of the fastest-growing species in the world[
The young shoots of this species are produced almost all the year round[
Bamboos in general are usually monocarpic, living for many years before flowering, then flowering and seeding profusely for a period of 1 - 3 years before usually dying.
Contrary to most other species in the genus Schizostachyum, this species very seldom flowers. In most members of the genus the inflorescences terminate leafy branches and are present in almost all culms of a clump. In this species, however, inflorescences are usually found on almost leafless branches on only some of the culms in a clump[
The bamboo is used for soil stabilization and erosion control on forest roads[
The culms are used to make blowpipes. Two internodes are very carefully joined and then put into a stronger tube made from a larger part of the culm[
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