Dendrocalamus asper Backer ex K.Heyne

Giant bamboo (en)

Species

Angiosperms > Poales > Poaceae > Dendrocalamus

Characteristics

Culms 15–20 m, 6–10(–12) cm in diam.; internodes 30–50 cm. Branches from ca. 9th node up, central branch dominant. Culm sheaths deciduous, initially light green, leathery, apex rounded; ligule 7–10 mm, margin with brown setae; auricles linear, ca. 20 × 7 mm, margin undulate; oral setae present; blade reflexed, lanceolate. Leaf sheaths initially sparsely hairy, becoming glabrous; ligule truncate, ca. 2 mm, entire or serrulate; blade variable, lanceolate or oblong-lanceolate, (10–)20–30(–35) × (1.5–)3–5 cm. Spikelets 6–9 mm; florets 4 or 5, apical one sterile. Glumes 1 or 2, ovate-lanceolate; lemma broadly ovate, margins ciliate; palea about as long as lemma, keels and margins ciliate, 1–3-veined between and 2-veined on either side of keels. Anthers 3–5 mm, apex apiculate. Ovary hairy; style hairy; stigmas 1. Fruit unknown.
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A very large densely tufted bamboo. It is a woody grass. It forms large groves. The culms or stems can be 20-30 m high. The clumps can spread 12-24 m wide. The stalks are 15-20 cm across. They are covered with fine velvety brown hairs when young. The internodes can be 10-20 cm long lower down and 30-50 cm long higher up. The nodes are swollen. The lowest nodes have many aerial roots. The nodes in the middle and higher have branches. The culm sheath is 20-40 cm long by 20-25 cm wide. The leaf blade is 30 cm long by 2.5 cm wide.
Life form perennial
Growth form
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination anemogamy
Spread -
Mature width (meter) 12.0 - 24.0
Mature height (meter) 15.0 - 17.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

A tropical bamboo. In tropical Asia it grows from sea level to 1500 m altitude. It does best between 400-500 m altitude. It grows best on heavy soils with good drainage. It is found in Makiling Forest in Laguna in the Philippines at lower elevations and also in Mindanao.In the Cairns Botanical Gardens. In XTBG Yunnan. It suits hardiness zones 9-12.
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Not known in a truly wild situation
Light 6-9
Soil humidity 5-7
Soil texture 2-5
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

The tender shoots are eaten as a vegetable or pickled in vinegar or salted. The shoots are harvested before they emerge from the soil. The shoots have good canning quality.
Uses environmental use food gene source material medicinal
Edible shoots stems
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

It can be grown from rhizomes, culm or branch cuttings. The spacing is 5-10 m apart. Mulching is essential to produce young shoots.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) 1
Optimum temperature (C°) 20 - 27
Size -
Vigor -
Productivity -

Images

Distribution

Dendrocalamus asper world distribution map, present in Andorra, Bangladesh, Brazil, China, Ecuador, Lao People's Democratic Republic, Moldova (Republic of), Myanmar, Philippines, Puerto Rico, Thailand, Taiwan, Province of China, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:397862-1
WFO ID wfo-0000862301
COL ID 6CJLZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Arundarbor bitung Arundo aspera Bambusa aspera Bambusa flagellifera Dendrocalamus flagellifer Schizostachyum loriforme Dendrocalamus asper Arundo piscatoria Bambusa bitung Gigantochloa aspera Schizostachyum bitung Sinocalamus flagellifer Arundarbor aspera Calamagrostis piscatoria