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giant bamboo

Dendrocalamus asper

Family: Poaceae · Genus: Dendrocalamus

rough bamboo, sweet bamboo, petung

Secondary I Emergent Mulch biomass 🪓 Coppices after cutting
Dvellakat · CC BY-SA · Wikimedia Commons

One of the most economically important giant bamboos, a clumping species native to Southeast Asia, with culms 15–20 m tall and up to 20 cm in diameter with thick walls. It is used in heavy construction and joinery, and the young shoots are eaten as a vegetable. It grows very fast (over 10 cm per day) and does not spread by running rhizomes.

📚 Synonyms

Scientific synonyms: Bambusa aspera Schult.f., Gigantochloa aspera (Schult.f.) Kurz

Götsch succession

Götsch stage
Secondary I
Ecological role
Early secondary
Primary stratum
Emergent
Strata
Emergent, High
Biomass class
Mulch biomass

Environment

Light requirement
Full sun
Water requirement
Moderate
Drought tolerance
Moderate
Waterlogging tolerance
Low
Soil pH range
5–6.5
Preferred soil texture
Loamy, Sandy, Clayey
Hardiness zones
9–11
Frost tolerance
-3.0 °C

Morphology

Mature height
15–20 m
Recommended spacing
6–10 m
Root system
Fibrous
Root depth
Deep
Growth rate
Very fast
Lifespan
40–100 years
Time to first harvest
60 months
Productive lifespan
60 years

Biomes & climate

Köppen classes

Where it fits in a guild

Giant bamboo takes the Emergent stratum in the Secondary I phase of succession — in a guild it shares the line with species from the other strata, each harvesting light at its own height, in its own time.

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Emergent · ≈20 m High Medium Low Ground cover

🪴 Cultivation

A giant clumping bamboo, less invasive than running-rhizome species; needs wide spacing. Edible shoots ('petung'). Seed propagation is difficult (high mortality), so cuttings, division or micropropagated plants are preferred.

✂️ Management & Pruning

A giant bamboo managed by selective harvest of mature culms (4–6 years), cut close to the ground while leaving young culms standing to sustain the clump — the clump is a perennial structure that renews continuously. Being a clumper, there is no running rhizome to contain. The shoots ('petung') can be harvested young as food, as long as enough remain to form culms. Tips, branches and fallen sheaths serve as mulch, returning silica and carbon to the soil. It coppices strongly from the rhizome after low cutting.

❓ Frequently asked questions

How long until the first harvest of giant bamboo?

The first harvest of giant bamboo comes around 60 months after planting.

What spacing is recommended for giant bamboo?

The recommended spacing for giant bamboo is 6–10 m.

How tall does giant bamboo grow?

At maturity, giant bamboo reaches 15–20 m tall.

What stage and stratum does giant bamboo occupy in a syntropic system?

In a syntropic system, giant bamboo belongs to the secondary i stage, occupying the emergent stratum.

Functions

🌿 Biomass producer Windbreak Timber Fiber Fuelwood Fodder

Propagation

Division, Cutting, Seed, Tissue culture

Citations

  1. Wikipedia (height_min_m, height_max_m, functions, propagation, growth_rate)
  2. Guadua Bamboo — Dendrocalamus asper (height_max_m, biomass_class, growth_rate)
  3. Plants of the World Online (POWO), Kew — Dendrocalamus asper (powo_id, scientific_name)
  4. INBAR — bamboo harvesting and management (mature culm selective harvest) (pruning_notes, time_to_first_harvest_months, productive_lifespan_years)
  5. GBIF (gbif_taxon_key, scientific_name)

External references

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