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Parkia sumatrana Miq.

Parkia sumatrana Miq.

Family

Leguminosae

Synonyms

P. macrocarpa Miq. p.p. excl. leaves, P. streptocarpa Hance, P. dongnaiensis Pierre.

Vernacular Names

Malaysia
Buah putai, kedaung (Iban, Sarawak), petai nering (Peninsular).
Indonesia Soga (Sulawesi).
Burma (Myanmar) Mai-ka-tor (Shan), thit lein.
Cambodia Royôông (Kampot), ta sek (Kompong Speu).
Laos 'hua 'lôn (Savannakhet), 'sôm po:y 'luang (Louang Prabang).
Thailand i-thao (south-eastern), luk ding (central).
Vietnam th[us]i, c[awj]c heo, bung r[es]o.
Brunei Kupang amas, petai belalong.

Geographical Distributions

Parkia sumatrana is occurs in southern Burma (Myanmar), Indo-China, Thailand, Peninsular Malaysia, Sumatra, Borneo and Sulawesi.

Description

P. sumatrana is a tree that can reach up to measure 35 m tall.

The leaves are arranged alternate or rarely opposite. The primary rachis is includes measure about 36 cm long petiole and the pinnae are in (5-)7-11(-18) pairs while the secondary rachis is up to measure about 9.5 cm long. The leaflets are in (12-)14-20(-37) pairs per pinna. They are oblong in shape, with a size of measure about (10.5-)11.5-21(-25) mm x (3-)4.5-8 mm and weakly auriculate at the base. The apex is rounded or slightly retuse. The peduncle is measuring 14-44 cm long, with club-shaped head. It is measure about 4-5 cm long and measure 3 cm in diametre.

The flowers are bisexual, with up to measure 11 mm long sepal and up to measure 12 mm long petal. The lobes are up to measuring 2 mm long. The infructescence consists of up to 8 strap-shaped pods per head. The pod is up to measuring 45(-52) cm long (including stipe) and measure 2 cm or measure about 4.2—5.4 cm broad. It is variably pubescent, rarely twisted and the stipe is up to measure about 10 cm long.

The seeds are 10-13 per pod and lying diagonally or 26-33 per pod and lying horizontally across the width of the pod.

Ecology / Cultivation

P. sumatrana is found scattered in evergreen forest, often along streams, on sandy, stony or clayey soils from (0-)100-600(-900) m altitude.

Line Drawing / Photograph

Parkia_sumatrana

References

  1. Plant Resources of South-East Asia No. 12 (2): Medicinal and poisonous plants.

 

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