Look for:

Korthalsia laciniosa (Griff.) Mart.

Hist. Nat. Palm. 3: 211 (1845). Indochina to Philippines *Calamus laciniosus Griff., Calcutta J. Nat. Hist. 5: 23 (1845)

∞ Fish tail leaflet

∞ Leafsheath mouth lacerate

∞ Fibrous with ocrea

∞ Inflorescence catkin

Clustering Branching Cirrus

Distribution/Habitat

Second growth, steep slope 500 m alt.

Uses

No commercially tap basket making

Description

Cane diameter 1.5 cm, sheath sparsely spiny.

Leaf cirrate, petiolate, 12-20 cm long petiole and rachis with brownish buff indumentrum, leaf-lets whitish underneath. No knee, ocrea flat on sheath 4 cm long fibrous down to enveloping sheath.

Inflorescence flower rachillae catkin.

Fruit

Seed

Common Name

Daanan/Tapnigid (Agusan)

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176 Philippine Rattans

K. laciniosa 177

Look for:

Korthalsia merrillii Becc.

Ann. Roy. Bot. Gard. (Calcutta) 12 (2): 128 (1918). Philippines (Palawan).

∞ Spikes amentiform

∞ Densely spinous ocrea

∞ Green on both surface

Clustering Climbing Cirrus armed

Distribution/Habitat

Luzon (Palawan). Plant of primary forest and hapaxanthic and grows in 50-200 masl

Uses

Handicrafts, for binding

Description

Cane 0.6 cm diameter. Plant 25 m tall, 1 cm diameter, Sheath bright green and few spines. (Medulid 1001) spines many or sheath.

Leaves 1m long, petiole 5 cm long. Presence of ocrea envelop-ing/tubular ocrea. Spines color brown. Leaflets 4 per side of the rachis, rhomboidal cuneate, praemorse, and galucous. Leaflets concolorerous. Leaf cirrate. Leaf-lets near inflorescence smaller squarry.

Infructescence terminal. Catkin like. Bracts are dense, spiral, and overlap-ping. Flowers are hermaphrodite and Amentiform. Primary and secondary spathes are appressed. Bracts tips with extenders small leaf with cirrus.

Fruit oblong 1.8 x 1.5 cm, beak pointed scales deeply furrowed 12 VL

Common Name

Buragat (Tag.) / Taing manok (Tagb.)

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178 Philippine Rattans

K. merrillii 179

Look for:

Korthalsia rigida Blume

Rumphia 2: 167 (1843). Pen. Thailand to Philippines (Palawan).

∞ Sheath dull green, petiole armed

∞ Spines triangular

∞ Leaflets rhomboidal cuneate

Clustering Climbing Knee developed

Distribution/Habitat

Luzon (Palawan); plant hapaxan-thic. It grows in the area with 200-500 masl.

Uses

Canes for tying and basketry.

Description

Cane 2 cm diameter. Plant height with 5 m tall, clustering stem with 2.5 cm diameter.

Leaf has .5—1.5 m long. Petiole 2-5 cm long an armed. Its leaflets are alternate with 4-6 perside of the rachis having 12-18 cm long and 5-7 cm wide. Its shape is rhomboi-dal cuneate. Leaflets praemorse with 6-7 nerves.

Inflorescence bracts are dense, spiral, overlapping and its bracte-oles 0.4 cm long. Calyx cyathiform, corolla 2x as long as the calyx. It has 6 stamen. Its flowers are her-maphrodite.

Fruit globose or rounded, 8 to 12 mm long, 8 to 10 mm diameter, color brown. It scales with 12 to 15 vertical rows.

Seed

K. rigida 181

Look for:

Korthalsia robusta Blume

Rumphia 2: 170 (1843). Sumatera to Philippines. 42 BOR PHI SUM.

∞ Sheath bright green

∞ Presence of ocrea

∞ Leaflets praemorse

Clustering Climbing Cirrus

Distribution/Habitat

Luzon (Palawan and Balabac). Plant of primary forest.

Uses

Handicrafts

Description

Sheath armed with black acicular. Plant 20 m tall with 3.5 cm diame-ter, cane 2.5 cm diameter. Ocrea 15 cm long enfolding pointed, armed with long (2 cm) spines

Leaves has 1.5 m long. Petiole 30 m long withspines 10 mm long. Leaflets 7 per side of the rachis and shinny green. Cirrus 50 m long.

Inflorescence catkin like. Bracts dens, spiral and overlapping. Its flowers are hermaphrodite.

Fruit

Has 25 mm thick and 40 mm long. Its color is brown.

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182 Philippine Rattans

Korthalsia robusta Bl. A. portion of stem and ocrea. B. tip of ocrea. C. petiole. D. leaflet E. cirrus. F. Part of congested inflorescence. G. flower. H. fruit.

K. robusta 183

Look for:

Korthalsia scaphigeroides Becc.

Becc., Philipp. J. Sci., C 4: 619 (1909)

∞ Appressed spathes

∞ Elongated—elliptic ocrea

∞ Leaflets more or less nearly white underneath

Clustering Slender Cirrus

Distribution/Habitat

Luzon and Mindanao (Basilan, Davao). It grows in 10-200 masl.

Uses

Handicrafts, ornamental

Description

Cane has 15-18 cm diameter. Peti-ole 20 cm long and 4mm wide. Ocrea 9-10 cm long. Spines scat-tered.

Leaf cirrate, petiolate. Leaflets petiobilate are alternate. Measure-ment of leaflets 20 cm long and 40-50 mm wide. Its shape is rhomboi-dal cuneate. Shinny green and glaucous. It has 7 nerves. With whitish underneath.

Inflorescence primary and secon-dary spathes are appressed.Catkin like. Bracts dense, spiral and over-lapping. Its flowers are hermaph-rodite and

Fruit unknown

Seed unknown

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184 Philippine Rattans

K. scaphigeroides 185