Common balsam

One of the most common among the wildflowers of the Sahyadris during the monsoon is a staple of many gardens: the common balsam (Impatiens balsamina). This region is one of the five hotspots of the diverse genus Impatiens, and new species are discovered every year. Unfortunately, all I’ve noticed is this common flower. I saw it again a couple of weeks ago in my wanderings in Khandala. This time I paid special attention to the large lower petal which has markings to direct insect pollinators to the nectar. I wonder how it would look in ultraviolet. There is much discussion of the visible colours of these flowers, whether white, pink (as here), red or purple. But these are the colours visible to us. Pollinators see them in UV, and how different do they appear to bees and other insects?

The common balsam plant is hard to misidentify, although there’s probably more than a thousand species in its genus. Growing to waist height, it has long serrated leaves growing on alternate sides of the reddish stem. The leaves are lanceolate-elliptic, base narrowed, margins serrate, apex acute to acuminate, in the highly abbreviated terminology of botanists. As a child I was fascinated by the seeds pods which could burst explosively, releasing seeds. That’s one of the reasons why this is a potential weed wherever it is introduced across the world.

By I. J. Khanewala

I travel on work. When that gets too tiring then I relax by travelling for holidays. The holidays are pretty hectic, so I need to unwind by getting back home. But that means work.

11 comments

  1. Aaagh! Aaagh! This was introduced into England by some Victorian explorer, and while it is fine where it belongs, it’s become a much-hated pest here, growing as tall as a man, and suffocating out all the native plants in its way. You’ll find balsam-obliterating suggestions everywhere at this time of year. Grrrr.

    Liked by 2 people

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