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Ptychosperma sanderianum

Ridl. (1898)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Arecales Family: Arecaceae Genus: Ptychosperma

Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Only found in cultivation

Island Status

O'ahu Only found in cultivation

Dispersal Agents


Pollinators

Specimens

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Bibliography

Name Published In: Gard. Chron., ser. 3, 24: 330 (1898)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Ptychosperma sanderianum Lyon Arboretum Preserved_Specimen Clumping; trunks 12'-15'tall, 1.75 diam. Leaf: sheath 18.25; petiole 14; rachis 54.5, petiole & rachis green on both sides w/many long black scales, becoming lost on old leaves; leaflets 41-46 on a side, very narrow, with a few black ramenta basally on underside of midrib, and a long ramenta more common on laterak margins, extending at least ½ way along length of leaflet, becoming lost on old leaves. Infl.: peduncle 2.5 long, 0.75 wide; panicle 19 long, 14 wide, 1x branched' prophyll 9.5 long; peduncular bract 10.75 long. Fruit old & dried. Baker, R.F. 890252 Oahu BISH 1989-12-15
2 Ptychosperma sanderianum Lyon Arboretum Preserved_Specimen Clumping; trunks 12'-15'tall, 1.75 diam. Leaf: sheath 18.25; petiole 14; rachis 54.5, petiole & rachis green on both sides w/many long black scales, becoming lost on old leaves; leaflets 41-46 on a side, very narrow, with a few black ramenta basally on underside of midrib, and a long ramenta more common on laterak margins, extending at least ½ way along length of leaflet, becoming lost on old leaves. Infl.: peduncle 2.5 long, 0.75 wide; panicle 19 long, 14 wide, 1x branched' prophyll 9.5 long; peduncular bract 10.75 long. Fruit old & dried. Baker, R.F. 890252 Oahu BISH 1989-12-15
3 Ptychosperma sanderianum Lyon Arboretum Preserved_Specimen Clumping; trunks 12'-15'tall, 1.75 diam. Leaf: sheath 18.25; petiole 14; rachis 54.5, petiole & rachis green on both sides w/many long black scales, becoming lost on old leaves; leaflets 41-46 on a side, very narrow, with a few black ramenta basally on underside of midrib, and a long ramenta more common on laterak margins, extending at least ½ way along length of leaflet, becoming lost on old leaves. Infl.: peduncle 2.5 long, 0.75 wide; panicle 19 long, 14 wide, 1x branched' prophyll 9.5 long; peduncular bract 10.75 long. Fruit old & dried. Baker, R.F. 890252 Oahu BISH 1989-12-15
4 Ptychosperma sanderianum Lyon Arboretum Preserved_Specimen Clumping; trunks 12'-15'tall, 1.75 diam. Leaf: sheath 18.25; petiole 14; rachis 54.5, petiole & rachis green on both sides w/many long black scales, becoming lost on old leaves; leaflets 41-46 on a side, very narrow, with a few black ramenta basally on underside of midrib, and a long ramenta more common on laterak margins, extending at least ½ way along length of leaflet, becoming lost on old leaves. Infl.: peduncle 2.5 long, 0.75 wide; panicle 19 long, 14 wide, 1x branched' prophyll 9.5 long; peduncular bract 10.75 long. Fruit old & dried. Baker, R.F. 890252 Oahu BISH 1989-12-15
5 Ptychosperma sanderianum Lyon Arboretum Preserved_Specimen Clumping; trunks 12'-15'tall, 1.75 diam. Leaf: sheath 18.25; petiole 14; rachis 54.5, petiole & rachis green on both sides w/many long black scales, becoming lost on old leaves; leaflets 41-46 on a side, very narrow, with a few black ramenta basally on underside of midrib, and a long ramenta more common on laterak margins, extending at least ½ way along length of leaflet, becoming lost on old leaves. Infl.: peduncle 2.5 long, 0.75 wide; panicle 19 long, 14 wide, 1x branched' prophyll 9.5 long; peduncular bract 10.75 long. Fruit old & dried. Baker, R.F. 890252 Oahu BISH 1989-12-15
6 Ptychosperma sanderianum Koolau Mountain Range: Manoa Valley; University of Hawaii Manoa Campus Preserved_Specimen Krajina, V.J. Oahu BISH 1962-03-15
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