Sir,

Didn't imagine this simple very fragrant flower can invite so much puzzle!
Bimal Da informs that it might be *M. alba*.

   - Naming issue :-

*Michelia alba* DC. - TPL
<http://www.theplantlist.org/tpl1.1/record/tro-50099121?ref=tpl1>
recognizes but GRIN
<http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?28260> or FoC
<http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=120458>doesn't,
while another document from China does accept -
http://www.jse.ac.cn/wenzhang/aps06137.pdf. According to this particular
pdf file - 1) *stipular scar nearly to half of petiole = alba* 2) *stipular
scar longer than half of petiole = **champaca* . Unfortunately none of my
photographs shows clear stipular scars (I was outside the boundary wall!).

*Michelia* x* alba* (DC.) Figlar - GRIN
<http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?452629> & FoC
<http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=250090229>
accept but TPL <http://www.theplantlist.org/tpl1.1/record/kew-252903>
doesn't. TopTropicals features it
<http://toptropicals.com/catalog/uid/michelia_alba.htm> and at the same
time it features one *M. champaca* var. *alba*
<http://toptropicals.com/catalog/uid/michelia_champaca.htm> (please scroll
down the page)!

   - Tepal issue :-

*M. champaca* - 15-20 (FoC
<http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200008479>);
12-20 (FoP
<http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=200008479>)
*M. *x *alba* - 10 in FoC
<http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=250090229>, but
variable in TopTropicles
<http://toptropicals.com/catalog/uid/michelia_alba.htm>. Again my
photographs are not decisive about the number of tepals, one perhaps shows
12 tepals.

The issue has been raised in another forum -
http://forums.gardenweb.com/forums/load/fragrant/msg0201072222522.html?8.
However, another interesting document/pdf is at
http://members.tripod.com/hatch_l/woodymi5d.pdf which *groups alba, x
alba and var, alba together* and the species - (i) *tepals very narrow,
linear to lanceolate, twisted, spidery effect* (ii) leaves medium to light
green against other spp. Yet another article
<http://www.scribd.com/doc/40287694/Michelia-Champaca-and-Michelia-Alba>
informs flowers are zygomorphic *irregular in alba* and zygomorphic with
bilateral symmetry in *champaca*.

So, finally I think this plant is not *M. champaca* L. and would like to
follow GRIN or FoC naming convention.

Thank you very much.

Regards





On Tue, Jul 29, 2014 at 3:58 AM, Gurcharan Singh <[email protected]> wrote:

> Surajit ji
> Please solve the puzzle lest I may be tempted to shoot out a name of plant
> I had photographed in SFO Botanical Garden
> Any way it is there in our forum.
>
> Dr. Gurcharan Singh
> Retired  Associate Professor
> SGTB Khalsa College, University of Delhi, Delhi-110007
> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
> Phone: 011-25518297  Mob: 9810359089
> http://www.gurcharanfamily.com/
> http://people.du.ac.in/~singhg45/
>
>
> On Mon, Jul 28, 2014 at 10:27 AM, surajit koley <
> [email protected]> wrote:
>
>> Until a little while ago I knew this is *Michelia champaca* L., the
>> scientific name of CHAMPA. But the KEY
>> <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=120458#KEY-1-24>
>> in FoC and an article
>> <http://dokmaidogma.wordpress.com/2012/10/06/a-fragrant-magnolia-suitable-for-the-hot-and-dry-chiang-mai-valley/>
>> drew my attention.
>>
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