coastal plants
Kuku tupai
Caesalpinia crista

Family
Fabacea
updated Mar 11
Where seen? This prickly climber is sometimes seen growing wild along the seashore and back mangroves. 'Kuku tupai' means 'squirrel's claws' in Malay and aptly describes an encounter with this climber. The small but sharp thorns on the long, strong stems often catch on clothing and skin. Getting entangled in a thicket of this climber can be rather unpleasant. According to Hsuan Keng, it was found on sandy beaches and fringes of mangroves at Kranji and Jurong. It was previously known as C. nuga.

Features: A climber (5-20m long) that can scramble over tall trees. The compound leaf is bipinnate, i.e., resembles a feather, with leaflets arranged on side branches on a main leaf branch. Leaflets eye-shaped, rather leathery, stiff, smooth and shiny. The entire compound leaf is about 30cm long. The plant is armed with tiny little thorns which are often black on a long, strong usually green stem. Flowers in a cluster (20-40cm long), scented, showy bright yellow with orange accents, white woolly stamen stems. The flowers appear to attract a wide variety of bees during the daytime. The fruits (4-7cm long) are flat smooth pods (not prickly) with a beak which contain a large black seed.

Sometimes mistaken for Maiden's jealousy (Tristellateia australasiae) especially when in bloom.

Human uses: According to Giesen, the seeds are used to treat malaria and parasitic worms. The leaves are used to treat Hepatitis A. The seeds are also used by children as marbles.

Status and threats: This tree is listed as 'Vulnerable' in the Red List of threatened plants of Singapore.


Kranji Nature Trail, Mar 11

Kranji Nature Trail, Feb 11


Leaf is bipinnate.
Kranji Nature Trail, Mar 11

Black thorns on green stems.

Kranji Nature Trail, Mar 11

Kranji Nature Trail, Feb 11


Kranji Nature Trail, Feb 11

Kranji Nature Trail, Feb 11

Pulau Ubin, Nov 09


Pulau Ubin, Nov 09

Pulau Ubin, Nov 09

Links

  • Giesen, Wim and Stephan Wulffraat, Max Zieren and Liesbeth Scholten. 2006. Mangrove Guidebook for Southeast Asia (PDF online downloadable). RAP publication 2006/07 Food and Agriculture Organization of the United Nations Regional Office for Asia and the Pacific Bangkok.

References

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