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  blue anthuriums
From: Jason Hernandez <jason.hernandez74 at yahoo.com> on 2011.11.16 at 15:42:33(22295)
Also, it is important to note that "true blue" is rare throughout the plant kingdom. There are a few taxa with genuinely blue flowers, but the majority of "blue" flowers have more or less purplish or lavender color to them. Blue pansies, blue cornflowers, and blue asters come to mind.

Jason Hernandez

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From: Peter Boyce <phymatarum at googlemail.com> on 2011.11.17 at 20:25:06(22306)
There are truly blue species in the Campanulaceae, and of course the many gentians are also truly blue; other familes are spiderwort family (Commelinaceae), and the extraordinary genus Tecophilia. Even the orchids manage it with the lieks of Herschelia graminifolia and at least two Thelymitra (T. ixioides & T. macrophylla).

PeterHerschelia graminifoliaHerschelia graminifolia

From: aroid-l-bounces@www.gizmoworks.com [mailto:aroid-l-bounces@www.gizmoworks.com] On Behalf Of Jason Hernandez

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From: Hannon <othonna at gmail.com> on 2011.11.17 at 22:16:17(22310)
I would not say truly blue flowers are generally "rare" but a majority of
horticulturally well-known, conspicuous groups seem to lack them entirely,
such as roses, begonias, day lilies, zinnias, cannas, etc. I think this
heightens the impression that blue is a scarce pigment in flowers.

I'll add a few more that strike me as uber blue: Meconopsis betonicifolia,
Anagallis monelli, Clitoria ternatea, Ceratostigma, Cynoglossum, Zephyra.
Maybe Hydrangea, too?

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From: "Marek Argent" <abri1973 at wp.pl> on 2011.11.18 at 09:24:57(22314)
Some true blue flowers from my garden:

http://veschort.abrimaal.pro-e.pl/ranunculaceae/aconitumnapellus.htm

http://veschort.abrimaal.pro-e.pl/lamiaceae/ajugareptans.htm

http://veschort.abrimaal.pro-e.pl/ranunculaceae/aquilegiavulgaris2.htm

http://veschort.abrimaal.pro-e.pl/campanulaceae/campanulapersicifolia.htm

http://veschort.abrimaal.pro-e.pl/campanulaceae/campanulabali.htm

http://veschort.abrimaal.pro-e.pl/asteraceae/cichoriumintybus.htm

http://veschort.abrimaal.pro-e.pl/asteraceae/echinopsritro.htm

http://veschort.abrimaal.pro-e.pl/gentianaceae/gentianaaffinis.htm

http://veschort.abrimaal.pro-e.pl/asparagaceae/hyacinthusorientalisblue.htm

http://veschort.abrimaal.pro-e.pl/iridaceae/irissibirica.htm

http://veschort.abrimaal.pro-e.pl/asparagaceae/muscariarmeniacum.htm

http://veschort.abrimaal.pro-e.pl/asparagaceae/muscarivaleriefinnis.htm

http://veschort.abrimaal.pro-e.pl/boraginaceae/omphalodesverna.htm

http://veschort.abrimaal.pro-e.pl/polemoniaceae/polemoniumcaeruleum.htm

http://veschort.abrimaal.pro-e.pl/asparagaceae/scillasibirica.htm

http://veschort.abrimaal.pro-e.pl/commelinaceae/tradescantiaandersonii1.htm

http://veschort.abrimaal.pro-e.pl/plantaginaceae/veronicaspicata.htm

http://veschort.abrimaal.pro-e.pl/violaceae/violamirabilis.htm

Best,

Marek

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From: Deni Bown <denibown at googlemail.com> on 2011.11.18 at 10:39:21(22316)
True, true blue is rare. Gentians are the standard "true blue" in flowers
but there are more genuinely true blue flowers i.e. without any pink/purple
pigments in the flora of Western Australia than any place else. Roadsides
are lined with startling blue *Leschenaultia biloba, *which are as blue as
any gentian, and there are ice blue orchids such as *Thelymitra deformis * and
*Caladenia crinata *. Why is the next question? Western Australia has a
high degree of endemism in both plants and animals so should we be looking
at pollinators?

Deni Bown, Nigeria

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Flora & Medicinal Plants

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Oyo Road

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Ibadan

Nigeria




Work: +234 2 7517472 ext 2520

Mobile (Nigeria) +234 806 0486022

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From: Sheldon Hatheway <sfhatheway at yahoo.com> on 2011.11.18 at 11:22:48(22317)
And don't forget Mecaonopsis, the lovely blue Himalayan Poppy.

Sheldon

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From: Corey W <cewickliffe at gmail.com> on 2011.11.18 at 15:37:21(22329)
I doubt it's the pigment that's rare, just it's expression WITHOUT the expression of others to get in the way/mix with that is rare/uncommon. Blue animals are rare in the animal kingdom, but it's more that it's always mixed with stuff and rarely seen only by itself and over a majority of an animal - even in aposematic animals! It probably runs more rampant in some groups and other groups may lack the ability entirely (like our lovely Anthuriums? Do they make purples?).

Another thing to think about is pollinators for plants... they often pic their colors with purpose to visually capture the attention of those they want. Who is attracted to the strong blue spectrum more than other spectrums?

Corey

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