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 Flowers= are in small, erect panicles which appear in January.
They are about ⅜ inch across, tubular with 5 petals, 4 of which are
small and white, the fifth larger and pink. There are 2 long and 2
short stamens.
=The Fruits= are in pendulous bunches which ripen from December on.
They are black and shiny with little brown lenticels on the skin, a
black or dark brown flesh and a large stone. They are ¾-1 inch in
diameter. The calyx, which enlarges and holds the unripe fruit, dries,
shrivels and recedes from the ripe fruit. Bees are greatly attracted by
it.
=Uses.=—The wood is used for making small canoes and large drums.
The fruits are used for making sweetmeats (alewa and madi) and have a
taste of honey.
The young leaves are eaten with groundnuts, pepper and salt: they are
also an ingredient of ink, being mixed with gum and boiled down to a
thickened extract.
Beehives are commonly placed in the branches of this tree.
[Illustration]
=VITEX DIVERSIFOLIA= Baker.—_Dunyar biri_. VERBENACEAE.
A small tree some 15 feet high, occasionally more, not very common
but occurring here and there in Tree savannah and with a very wide
distribution. It has little form, being erect and of open growth. Its
distinguishing character is the highly scented leaf and the fact that
some may be simple and others tri-foliolate. The leaves and branches
are in whorls of three, and the fruits like small, oblong editions of
those of the well-known _V. Cienkowskii_.
=The Bark= is light grey and very thick with soft cork and large
rectangular scales. This is, however, largely due to fires.
=The Leaves= are 4-5 inches long and 2-3 inches broad with a stalk 2-3
inches long. When there is a single leaf it is rounded ovate, with
slightly cordate base, but if tri-foliolate the leaflets are obovate
with tapering base. The margins are waved. The upper surface is dark
green with hairs scattered all over the surface and the under side is
densely covered, especially on the venation, with hairs, this being
far more marked when the leaf is younger, when the venation is very
prominent, though it is grooved on the upper surface. The leaves are
generally in whorls of three at each stem node. When crushed they give
off a strong sage-like odour.
=The Flowers= are in cymes in the leaf axils, on long stalks, either in
whorls of three or pairs. Each has a 5-pointed bell-shaped calyx, an
irregular tubular corolla, the lip large and mauve, the remaining lobes
greenish and pubescent, 4 stamens pressed up against the top of the
corolla and a small, curved white pistil with bifid stigma.
=The Fruits= are egg-shaped, about ¾-1 inch long, ripening from green
to black, spotted with lenticels and cupped for about one-third of
their length by the hairy enlarged calyx. They are fleshy drupes with a
hard “stone” containing 4 cells, each with one seed. The flesh is very
narrow.
[Illustration]
=XIMENIA AMERICANA= Linn.—_Tsada_. OLACACEAE.
Public-domain text, read in full here on John Shaqi.
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