Difference between revisions of "Metroxylon amicarum"

From Palmpedia - Palm Grower's Guide
Jump to: navigation, search
 
(15 intermediate revisions by one user not shown)
Line 1: Line 1:
 
__noeditsection__
 
__noeditsection__
 
{{Palmbox
 
{{Palmbox
|image=MetAmi1.jpg
+
|image=058804.jpg
|image_caption=Floribunda Palms, Hawaii - Suchin Marcus for Scale.
+
|image_caption=Hawaii. "Flowers arising from lowest leaf bases, not on tippy top, as in other species in the genus". Photo by Geoff Stein.
 
|genus=Metroxylon (meht-ROKS-ih-lohn)
 
|genus=Metroxylon (meht-ROKS-ih-lohn)
 
|species=<br>amicarum (ahm-ee-KAR-oom)
 
|species=<br>amicarum (ahm-ee-KAR-oom)
Line 17: Line 17:
 
|soil_type=
 
|soil_type=
 
|msi=
 
|msi=
|common_names=English name: Caroline Ivory Nut Palm, Pohnpeian name: Oahs (Ohs), Chuukese name: Foun Rúpwúng, Rúpwúng.
+
|common_names=English name: Caroline Ivory Nut Palm, Pohnpeian name: Oahs (Ohs), Chuukese name: Foun Rúpwúng, Rúpwúng. Rúpwúng [Foun Rüpwung from Web] (Chuuk), Oahs (Pohnpei)
 +
 
 +
 
}}
 
}}
 
==Habitat and Distribution==
 
==Habitat and Distribution==
Endemic to the Caroline Is., Marianas. Usually found in wet, swampy areas and river sides. Found only on the Islands of Pohnpei and Chuuk.
+
Endemic to the Caroline Is., Marianas. Usually found in wet, swampy areas and river sides. [[image:Mastarr-120216-2502.jpg|thumb|left|500px|Keanae Arboretum, Maui. Photo by Forest & Kim Starr.]]Found only on the Islands of Pohnpei and Chuuk. This palm was probably introduced to some areas of Micronesia, [including Chuuk,] either in the prehistoric period, or shortly after European contact began.
[[Image:Metroxylon amicarum dark.jpg|thumb|left|400px|Hilo, Hawaii.]]
+
 
==Description==
 
==Description==
 
Growing to heights of 25 m (80 ft) or more. Leaf shape and morphology: Leaves are large (25-30 ft) in length. Divided once; leaflets are linear and parallel veined (3-4 ft. long), even pinnately compound. Leaflets pointing posterior arranged dorsally, unlike coconut palm that has its leaves arranged laterally. Entire but sharp leave margins. Stem type: Woody (lignified) stem often grows to heights 80 feet (25 m) or more. Prickly, large stem 3-5 ft. in diameter. Young ones are pubescent. Floral characteristics: Flowers on large inflorescence branches located axillary. Flowers are produced regularly which enables it to constantly bear fruits. Fruit: Round (4-6 in., 10-15 cm) in diameter. Fruit skin (exocarp) is scalelike. Fibrous mesocarp; white meat (endosperm) covering embryo. Embryo is soft when young and hardens when old.  Unlike other botanically related palms in the genus Metroxylon, this palm tree flowers regularly for a number of years rather than flowering once and dying.  It has large 10-15 cm (4-6 in) wide, round, scaly nuts. (comfsm.fm) Editing by edric.
 
Growing to heights of 25 m (80 ft) or more. Leaf shape and morphology: Leaves are large (25-30 ft) in length. Divided once; leaflets are linear and parallel veined (3-4 ft. long), even pinnately compound. Leaflets pointing posterior arranged dorsally, unlike coconut palm that has its leaves arranged laterally. Entire but sharp leave margins. Stem type: Woody (lignified) stem often grows to heights 80 feet (25 m) or more. Prickly, large stem 3-5 ft. in diameter. Young ones are pubescent. Floral characteristics: Flowers on large inflorescence branches located axillary. Flowers are produced regularly which enables it to constantly bear fruits. Fruit: Round (4-6 in., 10-15 cm) in diameter. Fruit skin (exocarp) is scalelike. Fibrous mesocarp; white meat (endosperm) covering embryo. Embryo is soft when young and hardens when old.  Unlike other botanically related palms in the genus Metroxylon, this palm tree flowers regularly for a number of years rather than flowering once and dying.  It has large 10-15 cm (4-6 in) wide, round, scaly nuts. (comfsm.fm) Editing by edric.
 +
 +
This plant is a large palm tree that grows to heights of 25 m (80 ft) or more.  Unlike other botanically related palms in the genus Metroxylon, this palm tree flowers regularly for a number of years rather than flowering once and dying.  Its large 10-15 cm (4-6 in) wide, round, scaly nuts are eaten by pigs.  Because the "meat" (endosperm) of the nut is white and hard, this plant is known in English as the "ivory nut palm." (manoa.hawaii.edu)
  
 
Usually growing to 20, but occasionally over 25 m, these massive palms have solitary trunks with widely spaced leaf-scar rings and old leaf bases attached to the top. Leaves are pinnately arranged, 5 m long, on one meter petioles. The lanceolate leaflets are dark green to 1 m and occur on the rachis at varying angles, creating a plumose leaf. Unlike its monocarpic relatives, this species has a narrow inflorescence which develops within the leaf-bases; the stem is erect until the fruit matures and then sags to a pendent cluster. The single-seeded fruit are 9 cm long, extremely hard, and are covered in brown, glossy scales. Of all species in the genus it is probably the most hardy to cold. It is found only in Micronesia. It is threatened by habitat loss.
 
Usually growing to 20, but occasionally over 25 m, these massive palms have solitary trunks with widely spaced leaf-scar rings and old leaf bases attached to the top. Leaves are pinnately arranged, 5 m long, on one meter petioles. The lanceolate leaflets are dark green to 1 m and occur on the rachis at varying angles, creating a plumose leaf. Unlike its monocarpic relatives, this species has a narrow inflorescence which develops within the leaf-bases; the stem is erect until the fruit matures and then sags to a pendent cluster. The single-seeded fruit are 9 cm long, extremely hard, and are covered in brown, glossy scales. Of all species in the genus it is probably the most hardy to cold. It is found only in Micronesia. It is threatened by habitat loss.
Line 29: Line 32:
 
Growing Comments: "All Metroxylon palms are large & impressive & all except M. amicarum will die after they produce flowers & fruit. They actually prefer swampy conditions, but still are excellent growers in our garden, where drainage is excellent. These are all relatively fast growers & two of our largest M. amicarum have grown from about one foot overall height to about 25 ft overall height in seven years, but no trunk yet. Growth rate is about a 6.0-7.0 on a scale of 1-10." (BGL)
 
Growing Comments: "All Metroxylon palms are large & impressive & all except M. amicarum will die after they produce flowers & fruit. They actually prefer swampy conditions, but still are excellent growers in our garden, where drainage is excellent. These are all relatively fast growers & two of our largest M. amicarum have grown from about one foot overall height to about 25 ft overall height in seven years, but no trunk yet. Growth rate is about a 6.0-7.0 on a scale of 1-10." (BGL)
 
==Comments and Curiosities==
 
==Comments and Curiosities==
 +
Etymology: The specific epithet is from the Latin - ''amicarium'' literally; "of friends."
 +
 
{{read more top}}
 
{{read more top}}
 
Endemic to the Caroline Islands. It was named for the Friendly Islands, now Tonga, from where it was first thought to have descended. It is the only species in the Metroxylon genus which is not hapaxanthic ([[monocarpic]]).
 
Endemic to the Caroline Islands. It was named for the Friendly Islands, now Tonga, from where it was first thought to have descended. It is the only species in the Metroxylon genus which is not hapaxanthic ([[monocarpic]]).
Line 50: Line 55:
 
<center><gallery caption="IMAGE GALLERY" perrow="" widths="" heights="">
 
<center><gallery caption="IMAGE GALLERY" perrow="" widths="" heights="">
 
Image:MetAmi1.jpg|Floribunda Palms, Hawaii - Suchin Marcus for Scale.
 
Image:MetAmi1.jpg|Floribunda Palms, Hawaii - Suchin Marcus for Scale.
Image:Metroxylon amicarum darkz.jpg|Hilo, Hawaii.
+
Image:Metroxylon_amicarum_dark.jpg|Hilo, Hawaii.
 
Image:Ho'o13.jpg|Ho'omaluhia, Hawaii.
 
Image:Ho'o13.jpg|Ho'omaluhia, Hawaii.
Image:Metrroxylon amicarum closez.jpg|Crown Close-up.
+
Image:Metrroxylon amicarum close.jpg|Crown Close-up.
 
image:F120614j2.JPG|Floribuna, Hawaii, photo by BGL.
 
image:F120614j2.JPG|Floribuna, Hawaii, photo by BGL.
 
image:Metroxylon_amicarum76.jpg|Hawaiian Tropical Botanical.
 
image:Metroxylon_amicarum76.jpg|Hawaiian Tropical Botanical.
Line 71: Line 76:
 
image:Mastarr-120716-8418.jpg|Panaewa Rainforest Zoo and Gardens, Hilo, Hawaii. Photo by Forest & Kim Starr.
 
image:Mastarr-120716-8418.jpg|Panaewa Rainforest Zoo and Gardens, Hilo, Hawaii. Photo by Forest & Kim Starr.
 
image:Mastarr-120716-8419.jpg|Panaewa Rainforest Zoo and Gardens, Hilo, Hawaii. Photo by Forest & Kim Starr.
 
image:Mastarr-120716-8419.jpg|Panaewa Rainforest Zoo and Gardens, Hilo, Hawaii. Photo by Forest & Kim Starr.
 +
File:Caroline-ivory-nut-palm-in-habitat.jpg|Caroline Is., Marianas.
 +
File:Caroline-ivory-nut-palm-close-up-of-immature-stem-.jpg|Caroline Is., Marianas.
 +
File:Caroline-ivory-nut-palm-in-habitat (1).jpg|Caroline Is., Marianas.
 
image:86be6b.jpg|Hawaii. Photo by Geoff Stein.
 
image:86be6b.jpg|Hawaii. Photo by Geoff Stein.
 
image:A8142a.jpg|Hawaii. Photo by Geoff Stein.
 
image:A8142a.jpg|Hawaii. Photo by Geoff Stein.
 
image:1acbd6.jpg|Lyon Arboretum and Botanical Garden, University of Hawaiʻi at Mānoa valley, Honolulu, Hawaii. Photo by Geoff Stein.
 
image:1acbd6.jpg|Lyon Arboretum and Botanical Garden, University of Hawaiʻi at Mānoa valley, Honolulu, Hawaii. Photo by Geoff Stein.
 
image:C90bc2.jpg|Panaewa Rainforest Zoo and Gardens, Hilo, Hawaii. Photo by Geoff Stein.
 
image:C90bc2.jpg|Panaewa Rainforest Zoo and Gardens, Hilo, Hawaii. Photo by Geoff Stein.
image:058804.jpg|Hawaii. Photo by Geoff Stein.
+
image:058804.jpg|Hawaii. "Flowers arising from lowest leaf bases, not on tippy top, as in other species in the genus". Photo by Geoff Stein.
File:post-22-0-19563200-1420341734.jpg|Karolyn's garden in Leilani Estates, Hawaii. Photo by Bo-Göran Lundkvist.
+
File:4ecd5c.jpg|Hawaii. Photo by Geoff Stein.
 +
File:e2e272.jpg|Hawaii. Photo by Geoff Stein.
 +
File:f21142.jpg|Hawaii. Photo by Geoff Stein.
 +
File:162091.jpg|Hawaii. Photo by Geoff Stein.
  
image:Met_ami_hab.jpg|Photo-botany.hawaii.eu, Dr. R. L. Stemmermann, edric.
+
File:ma34097854377.JPG|Hawaii. Photo by Paul Craft.
 +
File:ma118805639022.JPG|Hawaii. Photo by Paul Craft.
 +
File:ma346578098965.JPG|Hawaii. Photo by Paul Craft.
 +
File:ma21907453389.JPG|Hawaii. Photo by Paul Craft.
 +
File:ma99564120674.JPG|Hawaii. Photo by Paul Craft.
 +
File:8253567261_a936c6d0f9_o.jpg|Flecker Botanic Garden, Cairns, QLD, 28/11/12. Photo by Russell Cumming.
 +
File:8253567157_a2dc245340_o.jpg|Flecker Botanic Garden, Cairns, QLD, 28/11/12. Photo by Russell Cumming.
 +
File:8253567079_dd69eb5f3c_o.jpg|Flecker Botanic Garden, Cairns, QLD, 28/11/12. Photo by Russell Cumming.
 +
File:8253566995_6ed5c18afb_o.jpg|Flecker Botanic Garden, Cairns, QLD, 28/11/12. Photo by Russell Cumming.
 +
File:8253567333_0b64fa32bc_o.jpg|Flecker Botanic Garden, Cairns, QLD, 28/11/12. Photo by Russell Cumming.
 +
File:ma3039384859211.JPG|Thailand. Photo by Philippe Alvarez.
 +
File:ma2938345011877.JPG|Thailand. Photo by Philippe Alvarez.
 +
File:ma212928475600.JPG|Thailand. Photo by Philippe Alvarez.
 +
File:ma55618175033.JPG|Thailand. Photo by Philippe Alvarez.
 +
File:ma66940226519.JPG|Thailand. Photo by Philippe Alvarez.
 +
File:ma59584632011.JPG|Thailand. Photo by Philippe Alvarez.
 +
File:ma7700327459133.JPG|Thailand. Photo by Philippe Alvarez.
 +
File:ma11292634096.JPG|Thailand. Photo by Philippe Alvarez.
 +
File:ma39281017654.JPG|Thailand. Photo by Philippe Alvarez.
 +
File:ma44906830177.JPG|Thailand. Photo by Philippe Alvarez.
 +
File:ma328239409876.JPG|Thailand. Photo by Philippe Alvarez.
 +
 
 +
File:post-22-0-19563200-1420341734.jpg|Karolyn's garden in Leilani Estates, Hawaii. Photo by Bo-Göran Lundkvist.
 +
File:M. amicarum closeup1.jpg|Hawaii. Photo by Bo-Göran Lundkvist.
 +
image:Met_ami_hab.jpg|Photo-botany.hawaii.eu, Dr. R. L. Stemmermann.
 
image:Mapost-3764-12754710317687.jpg|Innisfail, Queensland Australia. Photo by Bruce Lowe.
 
image:Mapost-3764-12754710317687.jpg|Innisfail, Queensland Australia. Photo by Bruce Lowe.
 
image:Mapost-3764-12754710427483.jpg|Innisfail, Queensland Australia. Photo by Bruce Lowe.
 
image:Mapost-3764-12754710427483.jpg|Innisfail, Queensland Australia. Photo by Bruce Lowe.

Latest revision as of 02:24, 12 January 2016

Metroxylon (meht-ROKS-ih-lohn)
amicarum (ahm-ee-KAR-oom)
058804.jpg
Hawaii. "Flowers arising from lowest leaf bases, not on tippy top, as in other species in the genus". Photo by Geoff Stein.
Scientific Classification
Genus: Metroxylon (meht-ROKS-ih-lohn)
Species:
amicarum (ahm-ee-KAR-oom)
Synonyms
None set.
Native Continent
Oceania
Oceania.gif
Morphology
Habit: Solitary
Leaf type: Pinnate
Culture
Survivability index
Common names
English name: Caroline Ivory Nut Palm, Pohnpeian name: Oahs (Ohs), Chuukese name: Foun Rúpwúng, Rúpwúng. Rúpwúng [Foun Rüpwung from Web] (Chuuk), Oahs (Pohnpei)

Habitat and Distribution

Endemic to the Caroline Is., Marianas. Usually found in wet, swampy areas and river sides.
Keanae Arboretum, Maui. Photo by Forest & Kim Starr.
Found only on the Islands of Pohnpei and Chuuk. This palm was probably introduced to some areas of Micronesia, [including Chuuk,] either in the prehistoric period, or shortly after European contact began.

Description

Growing to heights of 25 m (80 ft) or more. Leaf shape and morphology: Leaves are large (25-30 ft) in length. Divided once; leaflets are linear and parallel veined (3-4 ft. long), even pinnately compound. Leaflets pointing posterior arranged dorsally, unlike coconut palm that has its leaves arranged laterally. Entire but sharp leave margins. Stem type: Woody (lignified) stem often grows to heights 80 feet (25 m) or more. Prickly, large stem 3-5 ft. in diameter. Young ones are pubescent. Floral characteristics: Flowers on large inflorescence branches located axillary. Flowers are produced regularly which enables it to constantly bear fruits. Fruit: Round (4-6 in., 10-15 cm) in diameter. Fruit skin (exocarp) is scalelike. Fibrous mesocarp; white meat (endosperm) covering embryo. Embryo is soft when young and hardens when old. Unlike other botanically related palms in the genus Metroxylon, this palm tree flowers regularly for a number of years rather than flowering once and dying. It has large 10-15 cm (4-6 in) wide, round, scaly nuts. (comfsm.fm) Editing by edric.

This plant is a large palm tree that grows to heights of 25 m (80 ft) or more. Unlike other botanically related palms in the genus Metroxylon, this palm tree flowers regularly for a number of years rather than flowering once and dying. Its large 10-15 cm (4-6 in) wide, round, scaly nuts are eaten by pigs. Because the "meat" (endosperm) of the nut is white and hard, this plant is known in English as the "ivory nut palm." (manoa.hawaii.edu)

Usually growing to 20, but occasionally over 25 m, these massive palms have solitary trunks with widely spaced leaf-scar rings and old leaf bases attached to the top. Leaves are pinnately arranged, 5 m long, on one meter petioles. The lanceolate leaflets are dark green to 1 m and occur on the rachis at varying angles, creating a plumose leaf. Unlike its monocarpic relatives, this species has a narrow inflorescence which develops within the leaf-bases; the stem is erect until the fruit matures and then sags to a pendent cluster. The single-seeded fruit are 9 cm long, extremely hard, and are covered in brown, glossy scales. Of all species in the genus it is probably the most hardy to cold. It is found only in Micronesia. It is threatened by habitat loss.

Culture

Growing Comments: "All Metroxylon palms are large & impressive & all except M. amicarum will die after they produce flowers & fruit. They actually prefer swampy conditions, but still are excellent growers in our garden, where drainage is excellent. These are all relatively fast growers & two of our largest M. amicarum have grown from about one foot overall height to about 25 ft overall height in seven years, but no trunk yet. Growth rate is about a 6.0-7.0 on a scale of 1-10." (BGL)

Comments and Curiosities

Etymology: The specific epithet is from the Latin - amicarium literally; "of friends."



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.

Banner1B
Back to Palm Encyclopedia


Retrieved from "https://palmpedia.net/wiki/index.php5?title=Metroxylon_amicarum&oldid=134991"