Articles

Zanthoxylum myriacanthum Wallich ex Hook.f.

Zanthoxylum myriacanthum Wallich ex Hook.f.

Family

Rutaceae

Synonyms

Fagara myriacantha (Wallich ex Hook.f.) Engl., Zanthoxylum diabolicum Elmer, Zanthoxylum rhetsoides Drake.

Vernacular Names

Malaysia Chengkring, kabu-kabu utan (Peninsular).
English Thorny ivy-rue.
Philippines

Madbad (Samar-Leyte Bisaya).

Vietnam

S[er]n l[as] to, ho[af]ng m[ooj]c nhi[eef]u gai.

Geographical Distributions

Zanthoxylum myriacanthum is found in India (Assam), northern Vietnam, southern China, Peninsular Malaysia, Sumatra, Borneo (Sabah, Sarawak) and the Philippines.

Description

Zanthoxylum myriacanthum is a dioecious, evergreen, small to medium-sized tree that can grow up to 25 m tall. The branches are with straight prickles, generally swollen and hollow.

The leaves are arranged alternately, imparipinnate on stems measuring 25-45(-60) cm long, with opposite to subopposite leaflets, 9-19(-23), elliptical, measuring 8-18 cm x 2.5-8 cm and pellucid dotted while the margin is finely glandular and crenate. The terminal or axillary panicle is 15-25 cm long.

The flowers are about 3 mm long, 5-merous, with 5 sepals and 5 petals white and pale yellow to violet in color. The male flowers are with 5 stamens, and 3 rudimentary carpels while the female flowers are with 3(-4)-carpellate ovary. The follicle is nearly spherical, measuring 3-6 mm in diametre, and single or up to 3 together.

Ecology / Cultivation

Zanthoxylum myriacanthum is locally common in secondary forests and thickets on hills and mountains.

Line Drawing / Photograph

Zanthoxylum_myriacanthum

References

  1. Plant Resources of South-East Asia No. 5(3): Timber trees: Lesser-known timbers.