Pidna. 
SYNONYM: Petna. 
CLASSIFICATION: Family: Myrtaceae. Order: Myrtiflorae. 
DESCRIPTION: Trunks from 4 to 5 metres in length and 40 
to 50 cms, in diameter. Colour white, very uniform, grain 
straight. Easy to carve. 
USES: Beams, bridges, posts, damp situations. Sleepers of first- 
class quality, lasting eleven years. 
HABITAT: North of the State. Valley of the Tieté. 
OBSERVATIONS: A crooked tree. Slender and branching freely. 
Coarse, regular, oval and smooth leaves. Fruit black and 
round. Bark thin, smooth and with lighter patches. 
Pidva. 
SYNONYM: Peiva. 
CLASSIFICATION: Bignonia longiflora Vell. Family: Bigno- 
niaceae. Order: Personatae. 
DESCRIPTION: Trunks from 8 to 10 metres in length and 60 
to 80 cms. in diameter, 
Colour dark brown with darker patches. Grain coarse 
and in regular layers. Large layer of alburnum. Very hard 
to cut. 
SPECIFIC GRAVITY: From 956 to 1,046 kgs. 
USES: Scaffolding. Beams. Posts, exterior work, damp situations, 
second-rate quality. Sleepers of second class. The bark has 
medicinal properties, being anti-diuretic and cathartic. 
HABITAT: North of the State, but is also met with in other 
regions. 
OBSERVATIONS: A very high tree with many branches and 
good foliage. Leaves yellow, very large and numerous. 
In the North of the State several Ipés are called 
Pitiva. 
Quaresma. 
Tibouchina mutabilis Cogn. 
Family: Mclastomaceae. Order: Myrtiflorae. 
Timber of an inferior quality, suitable for interior work 
and boxes. Grows very rapidly. Sp. gr. 985 kgs. Is met with 
in the North of the State. 
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