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 Leaves= are dark green and slightly shining on the upper surface,
on which the venation is prominent. They are about 5 inches long and 2½
inches broad, with 2 inch stalks.
=The Figs= are very numerous and are under ½ inch in diameter, in dense
clusters amongst the leaves. They are reddish in colour with a warty
skin. They ripen about February, and are not edible.
[Illustration]
=FICUS VALLIS-CHOUDAE= Del.—_Dulu_. MORACEAE.
A large fig tree, most commonly found along the banks of streams and
only away from them farther south in moister conditions. It reaches a
height of 50-60 feet with very large girths. The bole is short, not
above 10 feet and the limbs, widespread, form a large open crown with
superficial foliage of very large leaves. Both the leaves and the
large, solitary figs are distinguishing features. It is very common
indeed in Bauchi province.
=The Bark= is light grey with large polygonal scales that leave light
patches. The slash is pink, with a flow of milky sap.
=The Leaves= are large, averaging 6 inches long by 5 inches broad, but
exceeding these dimensions by some 2 inches in some cases, with a stalk
some 2 inches long. The base is slightly cordate and the margin broadly
waved or bluntly toothed at wide intervals. The venation is prominent
underneath and flat above. The upper surface is dull, dark, smooth, but
not shining, the lower side slightly paler.
=The Figs= are solitary and large, almost up to 2 inches in diameter,
flattened or pear-shaped, with a slight, softly hairy coat, and traces
of longitudinal lines. The mouth is large and protrudes very slightly.
They may be found from February to June.
[Illustration]
=GARDENIA ERUBESCENS= Stapf & Hutch.—_Gaude_. RUBIACEAE.
A common and conspicuous shrub of the savannahs whose only claim to
importance lies in its frequent occurrence in large numbers over wide
areas of the country. It rarely exceeds 10 or 12 feet in height as
against the 20 feet to which its congener, _G. ternifolia_ may attain.
It is often gregarious, occurs in rich or poor and rocky soil and is
more or less a component of all types of savannah. It branches from
ground level and forms a round bush. The branches are twisted and bent,
stout, blunt and springy.
A comparison with _G. ternifolia_ shows _G. erubescens_ to have larger,
paler and brighter green leaves, with less crinkled margins; crisp, not
fibrous fruits of more uniform and oblong shape; stouter, blunter and
browner twigs, and a more shrub-like growth.
=The Bark= is smooth, grey-brown, with a powdery surface and small,
thin scales which leave lighter scars. The slash is yellow, with green
edges.
Public-domain text, read in full here on John Shaqi.
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