You should get frequent out-of-country miles.

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Comparing Breadfruit, Breadnut, and Jackfruit: How are they Related?
by Fred Prescod

In the first article we traced the arrival of the breadfruit plant into the New World. Now we compare breadfruit with its close relatives, breadnut and jackfruit, both also found in St. Vincent and the Grenadines.

These three plants all belong to the botanical genus known as Artocarpus. The name Artocarpus is applied to about 60 different trees, all members of the fig or mulberry family (Moraceae), a botanical division which at one time included
Cannabis. Trees of this genus are native to Southeast Asia and the Pacific region. The generic name (Artocarpus) is derived from the Greek words ‘artos’ (meaning bread) and ‘karpos’ (meaning fruit). The name is thought to have been established
by Johann Reinhold Forster and J. Georg Adam Forster, botanists aboard the HMS Resolution on James Cook’s second voyage. In J.W. Pursglove’s publication on tropical crops, he reports that Joseph Banks, James Cook and other early travelers
brought back descriptions of the breadfruit plant using phrases such as ‘bread itself is gathered as a fruit’.

Breadfruit tree – Calliaqua, St. Vincent
Breadfruit tree at Calliaqua, St. Vincent.
[Photo by Jim Lounsberry]
Unfortunately some confusion often arises from the use of common names, where a single common name may be applied
to different plants in different areas. Nevertheless breadfruit itself is recognized as a seedless form of the plant known
botanically as Artocarpus altilis (also Artocarpus communis), while breadnut (often also listed as Artocarpus altilis) was
originally thought to be simply a race or form of the same plant with fruits containing seeds. However recent literature
from the Breadfruit Institute at the National Tropical Botanical Garden in Kauai, Hawaii lists Artocarpus camansi as the
botanical name of the breadnut. As recently as 2005 Dr. Diane Ragone of the Breadfruit Institute, along with two other
colleagues published a taxonomic assessment (classification indicating natural relationships) of breadfruit and its closest
relatives, based on their research. The research involved molecular investigations, as well as morphological (form and
structural) and geographical considerations. These researchers believe that a single derivation and thousands of years of
vegetative propagation and human selection have led to a unique combination of characters that distinguish the
domesticated breadfruit. These circumstances have also resulted in the development of numerous varieties. Actually the
seedless breadfruit (Artocarpus altilis) may really have been derived from the seeded breadnut (Artocarpus camansi).

A close relative of the breadfruit and breadnut is the jackfruit (Artocarpus heterophyllus), known for its enormously large
fruit. Not common is St. Vincent, but worth mentioning also is a tree called breadnut or African breadfruit (Treculaia
africana) that is grown for the seeds, which are ground into flour. This tree is also in the fig family.

The superficial external appearance of breadfruit, breadnut and jackfruit trees is quite similar. The trees grow from 9 to 27
metres (30 to 90 feet) high with spreading branches. The leaves of breadfruit and breadnut trees are large, bright green
and glossy, often with anywhere from 4 to 10 pointed lobes towards the terminal portion; but breadnut leaves are more
hairy. Jackfruit leaves are usually entire (without lobes) and are much smaller than breadfruit and breadnut leaves. The
fruit and male flowers of jackfruit are borne on stout stems from the trunk or branches of the tree. On breadfruit and
breadnut trees they occur at the end of branches. The leaves, twigs and stems of all three trees exude sticky white latex,
which is characteristic of plants in the fig family.

Some observers distinguish the jackfruit tree by the copious hairs on the heart-shaped leaves, which end in a long, sharp
tip. Others note that breadnut leaves in bud are covered by a conspicuous leaf sheath. In the case of jackfruit, only the
young leaves have lobes and the twigs and midrib of the young leaves generally have minute bristles. But the most
distinctive feature that differentiates between breadfruit, breadnut and jackfruit is the type of fruit.

The fruits of most breadfruit varieties grown in St. Vincent generally lack seeds, but have a cream-coloured fleshy starchy
interior. The shape of the mature fruit is irregularly oval to round, 9 to 45 centimetres (3 1?2 to 18 inches) long and 5 to 30
centimetres (2 to 12 inches) in diameter. The outer skin is patterned with irregular 4- to 6-sided sections, more or less
prominent, depending on the variety. There are numerous recipes for preparing the ripe fruits, most of which involve
roasting or boiling.