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The two species are quite
close and can be distinguished by the following differences:
- mulato tree (Triplaris surinamensis) has male
and female inflorescences with hairless or slightly hairy branches (i.e.
glabrous or puberulent axes). The relatively large male (i.e. staminate)
flowers have petals 5-7 mm long and stamens 5-8 mm long.
- ant tree (Triplaris americana) has male and
female inflorescences with very hairy branches (i.e. velutinous
axes). The relatively small male (i.e. staminate) flowers have
petals 2-3 mm long and stamens 3-4 mm long.
The tree at Lalbagh bears the name plate as Triplaris weigeltiana. I have taken a photo of the female inflorescence fallen under tree. For me the axes is quite hairy. Hence it should be Triplaris americana.
Can some expert throw more light on these terms slightly hairy (glabrous axes) and very hairy axes (velutinous axes) with appropriate comparative photos?