Begonia brevirimosa ssp "Exotica" Begonia brevirimosa ssp "Brevirimosa".
The image of the Begonia "exotica" was implanted in my memory 10 plus years ago while reading Alfred B. Graf's book "Tropica" borrowed from library. In fact, I probably borrowed the book more than ten times - it was a stress reliever and I literally hugged the heavy book to sleep. Anyway, this strange new species tentatively named Begonia "exotica" from the mysterious island of New Guinea, was so different from any Begonias I knew, psychedelically coloured leaves and all, that I set my sight to hunt it down at all cost, even to the dark depths of New Guinea ...
Luckily, I did not have to go that far. When I eventually saw it on the rack of a private collector a few years later, my heart was thumping.
I remembered he said, almost apologetically, that it would be a bit expensive as it was a rare plant
So how much ? I asked
8 dollars, he replied.
I grabbed it immediately and thanked him profusely. Nowadays, you can probably see them on sale in quite a few on-line sites but in those days it was indeed rare.
As it turned out, what I had was not exactly "exotica" but the subspecies Begonia brevirimosa brevirimosa (by the way, subspecies is a taxonomic term meaning naturally occuring variants of ths same species). In 2005, Mark Tebbitt formally described "exotica" to be a subspecies, rather than another new species, after considering the flowers and fruits characteristics. I acquired the real "exotica" only last year and finally had a chance to compare the two. Both of them are quite similar but not really the same - the dominating bright pink streaks for "exotica" really stood out.
Given some shade from full sun, warmth and high humidity, the plants thrived at my plot - but do not seem to flower freely. Unfortunately, snails and slugs cannot leave them alone and they cannot adapt to the drier balcony environment when I tried to bring them indoors.
Sunday, November 22, 2009
The Tale of 2 Begonia brevirimosa
Labels:
Begonia,
Horticulture and gardens
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15 comments:
What a beauty an well done for a great post.
Hi there, I've been following your blog for some time and I always enjoy your begonia posts. These brevirimosas look fantastic.
Thanks....imo one of the most beautiful wild begonia species
There is a newish form called B. b. e. 'Silver' where the metallic patches are silver rather than metallic pink.
Do you have any idea what the epithet "brevirimosa" means? Sounds like it should be "breviramosa"...
Hi leadpb - thanks for the info - I do not know there's a silver form.
brevirimosa is the published name - dunno what it means but will post it here if I find anything.
If you want to read more about B. brevirimosa, try: "Jack Golding: Begonia exotica and Begonia brevirimosa - Different Species; The Begonian, Vol 71; Sep - Oct 2004; p 168 - 173.
Greetings
reiner
Hi Reiner,
thanks for stopping by.
I miss your forum - did you close it or move somewhere else ?
I had this one before it succumbed to rot. Think it doesn't like wet feet and prefers drier env.
Hi Isla,
Natural habitats of many Begonias are usually very humid but the plant itself grow on thin humus or vetical slopes where the water wlll drip from the leaves instead of staying there. In cultivation, over-watering, instead of raising local humidity (eg misting the ground), is a common cause of failure. If the air is too dry, leaves will become small or turn brown.
The growing condition is not easy to replicate at home balcony so many of these species are strictly terrariums.
Wow, great leaves! Wish I had the space to grow some more begonias, there are so many beautiful species I would like to have...
Helena,
do you have many Begonias ?
do drop me a mail if your are keen to trade.
cheers
HortLog,
I have both ssp and find 'Exotica' to be more hardy and easier to grow.
"Exotica' also prefer the medium to be not so wet.
Thanks for the info. I grow them side by side and don't really notice any difference in their requirement - but snails really like them.
hello there thanks for your grat post, as usual ((o:
I firmly believe there are 2 different forms of exotica.
The one pictured in Tropica, at https://melbournebegoniasociety.files.wordpress.com/2019/01/shrub-exotica-png-species.jpg and also at https://www.begonias.org/greenhouse/images/shrub/exotica.jpg has rounder, textured leaves, with more of a serration, and sturdy brownish canes.
The other, listed by Logee's Greenhouses as Edinburgh Breviramosa & predominately depicted on the internet, has smooth tapered leaves with nearly entire edges & glabrous green stems.
I used to have both of the exoticas + breviramosa ssp. breviramosa back in the early 1990's.
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