Articles

Crateva magna

Crateva magna

Family

Capparidaceae

Synonyms

Crateva religiosa Blume, Crateva nurvala Buch.-Ham.

Vernacular Names

Malaysia Bulan ayer, dala.
Indonesia Sibaluak (Sumatra), jaranan (Javanese), pingos (Kalimantan).
Burma(Myanmar) Kadat.
Thailand Kum nam (General), ro-tha (northern), hoh-thoh (South-western).
Vietnam B[us]n, co c[uj]m.

Geographical Distributions

India, Burma (Myanmar), southern China, Hainan, Indo-China, Thailand, Peninsular Malaysia, Sumatra, Java and Kalimantan.

Description

A tree of about 8-15(-20) m in height. The branchlets are slightly zigzag, yellowish-brown. The stalk of a leaf is about 4-12 cm long; on the top bearing numerous gland-like appendages, it is up to 1 mm long and pale brown.

The leaflets are lance-shaped but sometimes oblong, (4.5-)9-15(-28) cm x 2-6.5 cm. Central leaflet is the broadest. Lateral ones are more or less symmetrical, base acute, apex acuminate and firmly herbaceous. The veins have 10-22 pairs while the stalk of a leaflet is between 0-10 mm long. 

Inflorescence is about 10-16 cm long with 20-100 flowers. Bracts are early falling off. It is 5-9 mm long while the stalk of individual flower is 4-7 cm long. Sepals are egg-shaped, about 2-3.5 mm x 1.5 mm in size. Apex is acute, petals are rhomboid to elliptical, (8-)15-30 mm x (5-)15-22 mm, narrowed base 5-12 mm long. It has about 10-25 stamens with the size of 3.5-4.5 cm long. The filaments are purple in colour, anthers are 3 mm long, gynophore 3.5-5.5 cm long.

The 5-5.5 cm x 4-4.5 cm berry is solid and ellipsoid, it is yellowish-grey.

Seed is with a crest of sharp but irregular protrusions.

Ecology / Cultivation

C. magna is rather rare, and occurs mostly along streams in shady locations, sometimes near the seashore, up to 600 m altitude.

Line Drawing / Photograph

BOT00019

References

  1. Plant Resources of South-East Asia No 12(2). 1998, Unesco.