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Calamus rhabdocladus Burret

Species

Angiosperms > Arecales > Arecaceae > Calamus

Characteristics

Stems clustered, climbing (sometimes only shortly climbing or erect), to 40 m, 4-6 cm in diam. Leaf sheaths green with reddish brown hairs, with densely arranged, oblique rows of glossy, black or brown, flattened spines to 4(-10 at sheath apices) cm; ocreas present; knees inconspicuous or absent; flagella to 5 m; rachis to 1.5 m with to 60 linear pinnae per side, these regularly arranged (young plants regularly arranged but with gaps); middle pinnae 30-50 cm, 1.8-2 cm wide at mid-point, adaxial and abaxial veins and margins prominently bristly; cirri absent. Inflorescences to 8 m, flagellate; inflorescence bracts tubular. Fruits reddish or yellowish, globose, ellipsoid, or ovoid, to 1.4 × 0.8 cm.
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A rattan. It forms clusters and climbs. It can be 25 m long. The stem can be 25 mm across without the sheath. The leaves are 1-2 m long. The leaflets are 30-50 cm long by 2 cm wide. There are 60 on each side. There are shiny black spines. These can be 4 cm long. The fruit are red or yellow and round or oval. They are 14 mm long by 8 mm wide.
Life form perennial
Growth form tree
Growth support climber
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 25.0 - 40.0
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.2
Flower color -
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. In Laos it grows in evergreen forest at 500-800 m altitude. In Vietnam it grows between 1,000-1,600 m altitude. In Yunnan.
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Lowland or montane rain forests; at elevations below 1,600 metres.
Light 4-6
Soil humidity 5-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The shoots are sweet.
Uses medicinal wood
Edible fruits leaves shoots
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Calamus rhabdocladus world distribution map, present in China, Lao People's Democratic Republic, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:665376-1
WFO ID wfo-0000759695
COL ID 68V7G
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Calamus rhabdocladus Calamus pseudoscutellaris Calamus rhabdocladus var. globulosus Calamus pseudoscutellaris var. cylindrocarpus Calamus rhabdocladus var. rhabdocladus
WorldFloraDB 2024