Difference between revisions of "Calamus godefroyi"

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==Comments and Curiosities==
 
==Comments and Curiosities==
 +
Note: A. Henderson (pers. comm. 2011) recognizes this as an accepted species.
 +
 
There remains no evidence that the species occurs in Vietnam. A reported specimen from Siam (Gagnepain & Conrard 1937) is apparently in error (see above). The specimen from Phnom Penh cited by Gagnepain & Conrard (1937) could not be located; it may be Unknown s.n. E140. The one Lao record is from a marshy valley on the Mekong floodplain. This area is used for dry season rice but floods too deeply to be used in the rainy season, at which time the paddies are rapidly re-occupied by sedges. Much of the marsh was probably once wooded but only scattered trees now remain, as well as degraded forest and bamboo scrub on the surrounding higher ground. Calamus godefroyi was reportedly once very abundant at the site, the local name of which translates as 'rattan lake', but it is now reduced to scattered clumps along banks and ditches in the marsh, with more plants in the surrounding scrub. In 2000 seedlings were common but few adult plants were found. One local man was so concerned by this decline that he has transplanted several clumps to his small-holding; these are thriving and were the source of the recently collected material. (J. Dransfield, A Synopsis of the Rattans (Arecaceae: Calamoideae) of Laos and Neighbouring Parts of Indochina. 2002)/Palmweb.
 
There remains no evidence that the species occurs in Vietnam. A reported specimen from Siam (Gagnepain & Conrard 1937) is apparently in error (see above). The specimen from Phnom Penh cited by Gagnepain & Conrard (1937) could not be located; it may be Unknown s.n. E140. The one Lao record is from a marshy valley on the Mekong floodplain. This area is used for dry season rice but floods too deeply to be used in the rainy season, at which time the paddies are rapidly re-occupied by sedges. Much of the marsh was probably once wooded but only scattered trees now remain, as well as degraded forest and bamboo scrub on the surrounding higher ground. Calamus godefroyi was reportedly once very abundant at the site, the local name of which translates as 'rattan lake', but it is now reduced to scattered clumps along banks and ditches in the marsh, with more plants in the surrounding scrub. In 2000 seedlings were common but few adult plants were found. One local man was so concerned by this decline that he has transplanted several clumps to his small-holding; these are thriving and were the source of the recently collected material. (J. Dransfield, A Synopsis of the Rattans (Arecaceae: Calamoideae) of Laos and Neighbouring Parts of Indochina. 2002)/Palmweb.
  
 
Uses: Stem used for handicrafts, shoot edible.
 
Uses: Stem used for handicrafts, shoot edible.
  
−
Conservation: Unknown, but locally poor (see above) because the species occupies a habitat especially vulnerable to clearance. Similar habitats are widespread in the Mekong plain and it is likely that C. godefroyi will be found at other sites, but as agriculture intensifies many of those in Laos may be under threat. Likely to be secure if strong populations occur around the Great Lake in Cambodia; otherwise of moderate concern. (J. Dransfield, A Synopsis of the Rattans (Arecaceae: Calamoideae) of Laos and Neighbouring Parts of Indochina. 2002)/Palmweb.
+
Conservation: The species has been recorded from three areas on the Mekong River floodplain and associated water bodies; the Vientiane Plain in Lao PDR, and northeastern Thailand and in southern and western Cambodia. However, most of the records are from a relatively small area in Cambodia and it is dependent upon a habitat that is seasonally flooded forest. It is likely to be secure if strong populations occur around the Great Lake in Cambodia, however populations have declined at some known locations and the species is assessed as Near Threatened on the basis of population declines. (J. Dransfield, A Synopsis of the Rattans (Arecaceae: Calamoideae) of Laos and Neighbouring Parts of Indochina. 2002)/Palmweb.
  
 
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Revision as of 00:50, 5 February 2015

Calamus (KAL-ah-muhs)
godefroyi (

Help to make this reference box better by uploading a representative photo of this palm.

Scientific Classification
Genus: Calamus (KAL-ah-muhs)
Species:
godefroyi (
Synonyms
None set.
Native Continent
Asia
Asia.gif
Morphology
Habit: Clustering
Leaf type: Pinnate
Culture
Survivability index
Common names
wai nong (Lao Loum)

Habitat and Distribution

[[]]

Description

Culture

Comments and Curiosities

Note: A. Henderson (pers. comm. 2011) recognizes this as an accepted species.

There remains no evidence that the species occurs in Vietnam. A reported specimen from Siam (Gagnepain & Conrard 1937) is apparently in error (see above). The specimen from Phnom Penh cited by Gagnepain & Conrard (1937) could not be located; it may be Unknown s.n. E140. The one Lao record is from a marshy valley on the Mekong floodplain. This area is used for dry season rice but floods too deeply to be used in the rainy season, at which time the paddies are rapidly re-occupied by sedges. Much of the marsh was probably once wooded but only scattered trees now remain, as well as degraded forest and bamboo scrub on the surrounding higher ground. Calamus godefroyi was reportedly once very abundant at the site, the local name of which translates as 'rattan lake', but it is now reduced to scattered clumps along banks and ditches in the marsh, with more plants in the surrounding scrub. In 2000 seedlings were common but few adult plants were found. One local man was so concerned by this decline that he has transplanted several clumps to his small-holding; these are thriving and were the source of the recently collected material. (J. Dransfield, A Synopsis of the Rattans (Arecaceae: Calamoideae) of Laos and Neighbouring Parts of Indochina. 2002)/Palmweb.

Uses: Stem used for handicrafts, shoot edible.

Conservation: The species has been recorded from three areas on the Mekong River floodplain and associated water bodies; the Vientiane Plain in Lao PDR, and northeastern Thailand and in southern and western Cambodia. However, most of the records are from a relatively small area in Cambodia and it is dependent upon a habitat that is seasonally flooded forest. It is likely to be secure if strong populations occur around the Great Lake in Cambodia, however populations have declined at some known locations and the species is assessed as Near Threatened on the basis of population declines. (J. Dransfield, A Synopsis of the Rattans (Arecaceae: Calamoideae) of Laos and Neighbouring Parts of Indochina. 2002)/Palmweb.



  • IMAGE GALLERY

  • Laos. Photo by Dr. John Dransfield, Royal Botanic Gardens, Kew/Palmweb.

  • Laos. Photo by Dr. John Dransfield, Royal Botanic Gardens, Kew/Palmweb.

  • Laos. Photo by Dr. John Dransfield, Royal Botanic Gardens, Kew/Palmweb.

External Links

References

Phonetic spelling of Latin names by edric.

Special thanks to Geoff Stein, (Palmbob) for his hundreds of photos.

Special thanks to Palmweb.org, Dr. John Dransfield, Dr. Bill Baker & team, for their volumes of information and photos.

Glossary of Palm Terms; Based on the glossary in Dransfield, J., N.W. Uhl, C.B. Asmussen-Lange, W.J. Baker, M.M. Harley & C.E. Lewis. 2008. Genera Palmarum - Evolution and Classification of the Palms. Royal Botanic Gardens, Kew. All images copyright of the artists and photographers (see images for credits).


Many Special Thanks to Ed Vaile for his long hours of tireless editing and numerous contributions.

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