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