description
Tabebuia impetiginosa, a tree of the Bignoniaceae family, is a rather large
deciduous tree, with trunks sometimes reaching 8 dm width and 30 m height.
Usually a third of that height is trunk, and two thirds are its longer
branches. It has a large, globous, but often sparse canopy. The tree has a
slow growth rate.
Its bark is
brownish grey, tough and hard to peel. The wood is of a pleasant yellowish
color, barely knotted and very tough and heavy.
Leaves are opposite and petiolate, 2 to 3 inches long,
elliptic and lanceolate, with lightly serrated margins and pinnate venation.
The leaves are palmately compound with usually 5 leaflets.
It flowers between July and
September, before the new leaves appear. In India, the flowering season is
December to January, after the leaves are shed. The flower is large, tubular
shaped, its corolla is often pink or magenta, though exceptionally seen
white, about 2 inches long. There are 4 stamens and a staminode.
The fruit
consists of a narrow dehiscent capsule containing several winged seeds.
common names & nomenclature
Tabebuia is an abbreviation of tacyba bebuya, a Tupi name meaning "ant
wood". The common name pau d’arco is from the Portuguese pau-d’arco,
literally “bow wood”.
Also known as:
pau d’arco, ipe roxo, pink ipê, pink lapacho, ipê-cavatã, ipê-comum,
ipê-reto, ipê-rosa, ipê-roxo-damata, lapacho negro, pau d'arco-roxo, peúva,
piúva, trumpet bush, trumpet tree
climate
Tabebuia impetiginosa is naturally found growing in the wild of central to
South American forests. Also grown in cultivation and as a street tree in
some regions.
soil
Prefers a rich, fertile, moist tropical forest soil.
growing
Carefully remove the seeds from their papery covering. Do not break
them--once they break they are no longer viable. Place the seed flat on the
surface of the soil, cover with about 1/4 inch of soil, and tamp. Keep very
warm and evenly moist. Germination is usually in 2 weeks, quicker with
bottom heat, longer with insufficient heat. Transplant to larger pots when
large enough, grow on for a season and then plant outdoors. This plant may
also be propagated by cuttings.
harvesting
Pau d’arco bark is harvested all year, and then it’s dried and cut for later
use. The most potent part of the tree is the inner bark, which must be aged
after harvesting to maximize its effectiveness.
preserving
Store dried bark in an airtight container in a cool, dry place.