Palmae

Calameae

Korthalsia rigida Blume

• Taxon no. : 194
• Status : Accepted
• Genus : Korthalsia
• Genus Author : Blume
• Specie : rigida
• Specie Author: Blume
• Rank : Species
• References:
[ 3127], [ 3128], [ 3129], [ 3130], [ 3132], [ 3133], [ 3191],

Other names:

• Synonym : Korthalsia ferox Becc. var. malayana Becc. [ 2777],
• Synonym : Korthalsia paludosa Furtado [ 3125],
• Synonym : Calamosagus polystachys Griff. ex H. Wendl. [ 3778],
• Synonym : Calamosagus ochriger Griff. [ 2786],
• Synonym : Korthalsia hallieriana Becc. [ 3167],
• Synonym : Korthalsia polystachya Mart. [ 3126],

Descriptors:

• *Bracts subtending rachilla: relation : shorter than rachilla [ 1773],
• *Endosperm: form : ruminate [ 1773],
• *Epicarp scales (live material): colour : green-brown [ 1773], other [ 1773],
• *Flowering: expression : hermaphroditic
• *Fruit: exudate : without dragon's blood
• *Fruit: shape when mature : globose [ 1773], turbinate [ 1773],
• *Habit: form : Climber [ 1773],
• *Inflorescence: flowering behaviour : hapaxanthic [ 1773],
• *Inflorescence: position : suprafoliar [ 1773],
• *Inflorescence: relative length : shorter than leaves [ 1773],
• *Inflorescence: terminal form : not flagelliform [ 1773],
• *Inflorescences: rooting : not rooting at tips [ 1773],
• *Knee (leaf sheath): presence : without knee [ 1773],
• *Lamina (living): abaxial surface colour : bluish-grey [ 1773],
• *Lamina scales: colour : brown [ 1773],
• *Lamina scales: presence : present abaxially [ 1773],
• *Lamina: indumentum : without indumentum [ 1773],
• *Lamina: spinules (minute spines) : without spinules [ 1773],
• *Leaf rachis: armature : armed [ 1773],
• *Leaf rachis: hairs : without hairs [ 1773],
• *Leaf rachis: indumentum : without indumentum [ 1773],
• *Leaf rachis: relative length : 2-3 times as long as petiole [ 1773],
• *Leaf sheath indumentum: presence : abundant [ 1773],
• *Leaf sheath indumentum: persistence : persistent [ 1773],
• *Leaf sheath mouth: spines : spines scarcely different from the rest [ 1773],
• *Leaf sheath scales: colour : chocolate-brown [ 1773],
• *Leaf sheath scales: persistence : deciduous [ 1773],
• *Leaf sheath scales: presence : present [ 1773],
• *Leaf sheath spines (excluding mouth spines): size : less than 1cm long [ 1773],
• *Leaf sheath spines: arrangement : not grouped [ 1773],
• *Leaf sheath spines: base : not conspicuously bulbous-based [ 1773],
• *Leaf sheath spines: colour of base : not yellow [ 1773],
• *Leaf sheath spines: curvature : not reflexed [ 1773],
• *Leaf sheath spines: margins : with smooth margins [ 1773],
• *Leaf sheath spines: orientation : horizontal [ 1773],
• *Leaf sheath spines: persistence : persistent [ 1773],
• *Leaf sheath spines: presence : sparse [ 1773],
• *Leaf sheath spines: shape in T.S. : flattened [ 1773],
• *Leaf sheath spines: shape : short, triangular (<1cm long) [ 1773],
• *Leaf sheath spines: types : of uniform size [ 1773],
• *Leaf sheath: colour : other [ 1773],
• *Leaf sheath: flagellum : without flagellum [ 1773],
• *Leaf sheath: hairs or spicules : without rigid hairs or spicules [ 1773],
• *Leaf sheath: surface : without horizontal ridges [ 1773],
• *Leaf: cirrus : cirrate [ 1773],
• *Leaf: lamina colour : not mottled [ 1773],
• *Leaflet apex: shape : praemorse [ 1773],
• *Leaflet bristles: presence : absent [ 1773],
• *Leaflet margins: form : praemorse [ 1773],
• *Leaflet midribs: golen bristles : without golden bristles [ 1773],
• *Leaflet midribs: prominence : similar to other veins [ 1773],
• *Leaflet: plication : conspicuously plicate [ 1773],
• *Leaflets (individual): max width : more than 6cm wide [ 1773],
• *Leaflets (not grouped): arrangement : regular [ 1773],
• *Leaflets: arrangement : not grouped [ 1773],
• *Leaflets: colour : discolorous [ 1773],
• *Leaflets: divarication : not divaricate [ 1773],
• *Leaflets: insertion : stalked (with ansa) [ 1773],
• *Leaflets: number : 1 > x < 10 on each side of rachis [ 1773],
• *Leaflets: orientation : (more or less) in one plane [ 1773],
• *Leaflets: shape : rhomboid [ 1773],
• *Leaflets: venation : radiating [ 1773],
• *Lowest leaflets: orientation : not reflexed across stem [ 1773],
• *Ocrea: ant association : without ant association [ 1773],
• *Ocrea: armature : unarmed [ 1773],
• *Ocrea: character : disintegrating or tattering [ 1773],
• *Ocrea: position : not diverging at an angle [ 1773],
• *Ocrea: presence : present [ 1773],
• *Ocrea: size : less than 10 mm [ 1773],
• *Partial inflorescences: presence : present [ 1773],
• *Petiole base: auricles : without auricles [ 1773],
• *Petiole spines: arrangement : regularly arranged in groups [ 1773],
• *Petiole: armature : armed [ 1773],
• *Petiole: blotchiness : evenly coloured [ 1773],
• *Petiole: indumentum : without indumentum [ 1773],
• *Petiole: presence : present [ 1773],
• *Prophyll: relation : not enclosing inflorescence at maturity [ 1773],
• *Rachilla bracts: net-like : not net-like [ 1773],
• *Rachillae: armature : unarmed [ 1773],
• *Rachillae: colour : other [ 1773],
• *Shoots : Clustering [ 1773],
• *Stem (with sheath): diammeter : > 40mm [ 1773],
• *Stem: branching : branching in canopy [ 1773],
• *Terminal leaflets: fusion : more or less free [ 1773],
• *Vegetation : Hill Rainforest [ 1773], Lowland rainforest [ 1773], Monsoon

Geographic Distribution:

• Asia-Malesia
[ 1773],
• Brunei
[ 1773],
• Kalimantan
[ 1773],
• Peninsular Malaysia
[ 1773],
• Philippines
[ 1773],
• Palawan
[ 1773],
• Sabah
[ 1773],
• Sarawak
[ 1773],
• Sumatera
[ 1773],

• Asia-Not Malesia
[ 1773],
• Indo-China
[ 1773],
• Thailand
[ 1773],

Vernacular Name:

• Coo(N)K Celdool [ 268], Coo(N)K Tangklah [ 266], Rotan Dahan (Tem.) [ 3857], [ 265], Rotan Dahan Tikus (Tem.) [ 267], Wae Dahan (Ib.) [ 1773], Wae Gu'Un (Mel.) [ 1773], Wae Seleda (Pen.) [ 1773], Wi Jaunungan (Selak) [ 1773], [ 264],

Uses:

• Cane [ 3133],