Everything about Wingnut Plant totally explained
» This article is about the tree. For other uses of the word, see Wingnut (disambiguation)
The
wingnuts are
plants in the genus
Pterocarya (from
Ancient Greek pteron, "wing" +
karyon, "
nut") in the walnut family
Juglandaceae, native to
Asia.
Description
They are
deciduous trees, 10-40m tall, with
pinnate leaves 20-45cm long, with 11-25 leaflets; the shoots have chambered
pith, a character shared with the
walnuts (
Juglans) but not the
hickories (
Carya) in the same family.
The
flowers are
monoecious, in
catkins. The seed catkins when mature (about 6 months after pollination) are pendulous, 15-45 cm long, with 20-80 seeds strung along them.
The
seeds are a small
nut 5-10 mm across, with two wings, one each side. In some of the species, the wings are short (5-10 mm) and broad (5-10 mm), in others longer (10-25 mm) and narrower (2-5 mm).
Species
There are six species of wingnut.
Another species from China, the
Wheel Wingnut with similar foliage but an unusual circular wing right round the nut (instead of two wings at the sides), previously listed as
Pterocarya paliurus, has now been transferred to a new genus, as
Cyclocarya paliurus.
Uses
Wingnuts are very attractive, large and fast-growing trees, occasionally planted in
parks and large
gardens. The commonest in general cultivation outside of Asia is
P. fraxinifolia, but the most attractive is probably
P. rhoifolia. The hybrid
P. x rehderiana, a cross between
P. fraxinifolia and
P. stenoptera, is even faster-growing and has occasionally been planted for
timber production. The
wood is of good quality, similar to
walnut, though not quite so dense and strong.
Further Information
Get more info on 'Wingnut Plant'.
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