The useful trees of northern NigeriaLely, Hugh Vandervaes
Science
The useful trees of northern Nigeria
Lely, Hugh Vandervaes
Plants, Useful -- Nigeria, Northern; Trees -- Nigeria, Northern
=The Fruits= are like cones, some 3 inches long and 1½-2 inches broad,
smooth and shiny, with a number of broad, pointed scales, varying in
colour from chestnut to red-brown. They contain one kernel, loose in
the shell.
=Uses.=—The leaflets are used for plaiting into mats, &c. The mid-rib
is used for roofing material, beds, canoe poles, and split into
lengths, the inner portion makes mats. The sap is used for wine. The
inside of the fruit (outside the kernel) is eaten, expressed for oil,
used as a medicine or for dressing the hair in various parts of Nigeria.
[Illustration]
=RHUS INSIGNIS= Del.—_Kasheshi_. ANACARDIACEAE.
A small tree of the open Bush savannah, some 15-20 feet high. There
is either a single stem or several. The crown is distinctive with its
long, straight, slender branches and light appearance. It is very
susceptible to fire and is frequently met with in coppice form owing
to the destruction of the stems. The distinguishing features are the
drooping leaves in threes and the small black, wrinkled fruits.
=The Bark= is grey or light brown, vertically, but not deeply, ridged.
=The Leaves= are borne in threes at a node and the short stalk bends
back, allowing the leaves to hang vertical. They are 3 inches long and
an inch broad, a rich, dark green above, silvery below, with the dense
covering of silky hairs. The venation is parallel on either side of the
mid-rib, short and long nerves alternating. The leaf is inclined to
fold up along the mid-rib.
=The Flowers= appear in the rains and are in large, erect sprays. Each
flower is about ¼ inch in diameter with 5 sepals, 5 white petals and
10 stamens. Owing to their numbers and prominent position at the twig
ends, they are conspicuous.
=The Fruits= are numerous, flattened, single-seeded ovals, shiny black
with wrinkled skins and persistent for many months on the leafless
tree in the dry season. They are very hard and are a ready means of
identification.
[Illustration]
=SARCOCEPHALUS RUSSEGERI= Kotschy.—_Tafashiya_. RUBIACEAE.
This common species is often more of a shrub than a tree, but in the
more favourable localities which it inhabits, chiefly “fadammas” or
wet soils among rocks, 30 feet is by no means an unusual height. Older
trees generally have several large, crooked stems rising from a common
stock or a short, stout bole some 5 feet in girth. Smaller, shrub-like
specimens are very straggling with open growth and long, drooping and
interlacing branches. The crown, in spite of the size and thickness
of the leaves, is fairly open. It is easily identified by either the
flowers or fruit which latter can be found for several months of the
year.
=The Bark= is grey, or brown and dull in older trees, with very deep,
wide and long fissures and thick, soft ridges. The scales are up to 12
inches in length. The slash is yellow, with crimson streaks.
=The Wood= is a deep red-brown colour, but is not used owing both to
the small sizes and the lack of bole in the tree.
Public-domain text, read in full here on John Shaqi.
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