Thank you Sir. My understanding is a bit different. All the points i have found about the two species, in various literature, FoC+FoP, and other sites, i think, are not distinctive enough to come to any conclusion, specially when the plants under consideration are selective cultivars.
Regards, surajit On Sun, May 12, 2013 at 12:14 PM, Gurcharan Singh <[email protected]>wrote: > Thanks Surajit ji for a very detailed analysis with links. It should go a > long way finally nailing the identity. My understanding of differences > between two species under discussion is as under: > > I. polyantha > I. finlaysoniana > 1. Small shrub 1. > Shrub or tree reaching up to 18 feet > 2. stipules broadly ovate 2. > Stipules triangular-ovate > 3. Leaves 15-30 cm long 3. > Leaves 10-17 cm long > 4. Cymes densely covered with white hairs 4. Cymes > puberulous, not with white hairs > 5. Calyx hairy, tube 3-5 mm long, 5. Calyx > glabrous, tube 1-1.5 mm long, > lobes 6-8 mm long > lobes 4-6 mm long. > > > -- > 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 Sun, May 12, 2013 at 7:23 AM, radha veach <[email protected]> wrote: > >> Dear Surajit, >> >> the points I have written to you are based on my own observations of the >> two plants in the field and later confirmed by written texts. >> >> In the end all we have are our own experiences which we can offer to >> others. >> >> best regards >> Radha >> >> >> >> >> On 11 May 2013 22:30, surajit koley <[email protected]>wrote: >> >>> Dear Madam, >>> >>> Thank you very much for the points to be remembered about *I. polyantha* and >>> *I. finlaysoniana*. Some confusions still exist - >>> >>> 1. I. polyantha is a much smaller shrub. >>> >>> - Yes, it is so in Cooke - >>> >>> http://ia600406.us.archive.org/BookReader/BookReaderImages.php?id=floraofpresidenc01cook&itemPath=%2F21%2Fitems%2Ffloraofpresidenc01cook&server=ia600406.us.archive.org&page=n626_w299 >>> - Also in Talbot - >>> >>> http://www.archive.org/stream/TalbotTreesBombay/TalbotTreesBombayPresidency#page/n323/mode/2up >>> - But not in Hooker - >>> >>> http://ia700609.us.archive.org/BookReader/BookReaderImages.php?id=mobot21753000004407&itemPath=%2F0%2Fitems%2Fmobot21753000004407&server=ia700609.us.archive.org&page=n143_w291 >>> >>> 2. It thrives in a moist forest environment and not surrounded by >>> buildings. >>> >>> - I do not know about habitat, so i should refrain here. However, >>> Hooghly is a moist area and FoP informs it is cultivated in Pakistan. >>> >>> 3. I. polyantha flower heads are slightly flatter and less rounded. >>> >>> - Cooke - "Flowers in corymbiform cymes open or collected into a >>> globose head" >>> - Talbot - nothing found >>> - Hooker - "...... or open very-many flowered branches robust..." >>> and " ... collected into globose sessile head...." >>> >>> 4. In .I polyantha the branches of the cyme are covered in dense white >>> hairs. This can be clearly seen when the flowers are in bud. >>> >>> - Cooke - ".. usually densely clothed with white hairs....." >>> - Talbot - nothing found >>> - Hooker - " .... sometimes white with dense woolly spreading >>> hair..." >>> >>> 5. The leaves of I polyantha have extremely short petioles and often the >>> leaves are sessile. Its leaves also appear more wrinkly than the flat >>> leaves of the cultivated plant in your pics. >>> >>> - Cooke - (in *I. polyantha*) petiole 1/8 to 3/8 th in. long. That >>> translates to about 3 mm to 9,5 mm, which is almost same as *Ixora >>> finlaysoniana* in FoC >>> - Talbot - nothing found >>> - Hooker - leaves sessile or short petioled >>> - Again i refrain about wrinkly leaves, because nothing found >>> anywhere >>> >>> 6. In I. polyantha the fruits are bright red and even before they are >>> ripe you can see red calyx lobes at the base of the wilting flowers. *This >>> is a very noticeable feature.* >>> >>> - nothing found on red calyx lobes in Talbot and Hooker. Ripe fruits >>> are red in Cooke >>> >>> Now, for winkled leaves, red calyx, please check - >>> http://plantgenera.org/illustration.php?id_illustration=96985. >>> >>> Found *Ixora finlaysoniana* - >>> >>> - http://www.biolib.cz/en/taxonimage/id182195/?taxonid=213548 >>> - >>> >>> http://ecflora.cavehill.uwi.edu/vhdetail.php?did=2438&sn=Ixora+finlaysoniana >>> - >>> >>> http://apps.kew.org/efloras/namedetail.do?flora=fz&taxon=54829&nameid=121493#DESCRIPTION >>> >>> I skipped eFI posts. >>> >>> Thank you. >>> >>> Regards, >>> surajit >>> >>> >>> On Sat, May 11, 2013 at 8:55 AM, radhaveach <[email protected]>wrote: >>> >>>> Dear Surajit, >>>> >>>> If you read the descriptions of Ixora polyantha in Cooke's Flora or in >>>> Talbot's Forest Flora of Bombay Presidency and Sind and compare them to the >>>> Flora of China description of Ixora finlaysoniana you will have all the >>>> answers. >>>> >>>> The obvious differences which can be seen in a photograph are as >>>> follows: >>>> 1. I. polyantha is a much smaller shrub. >>>> 2. It thrives in a moist forest environment and not surrounded by >>>> buildings. >>>> 3. I. polyantha flower heads are slightly flatter and less rounded. >>>> 4. In .I polyantha the branches of the cyme are covered in dense white >>>> hairs. This can be clearly seen when the flowers are in bud. >>>> 5. The leaves of I polyantha have extremely short petioles and often >>>> the leaves are sessile. Its leaves also appear more wrinkly than the flat >>>> leaves of the cultivated plant in your pics. >>>> 6. In I. polyantha the fruits are bright red and even before they are >>>> ripe you can see red calyx lobes at the base of the wilting flowers. *This >>>> is a very noticeable feature. >>>> * >>>> Santhosh Kumar has quite recently posted a clear photo of I polyantha >>>> which should clear your doubts. >>>> >>>> As far as I remember I. polyantha is also fragrant. >>>> >>>> I apologise if my previous reply cause some frustration. >>>> >>>> Requesting experts to add their comments. >>>> >>>> regards >>>> Radha >>>> >>>> >>>> On Friday, May 10, 2013 9:59:35 PM UTC+5:30, surajitkoley wrote: >>>>> >>>>> Dear Radha Ji. >>>>> >>>>> *Thank you very much.* But, why don't you think it is *Ixora polyantha >>>>> * ? I have two queries - >>>>> 1) Is *I. polyantha* fragrant? >>>>> 2) How do you differentiate the two species? >>>>> I searched, but - https://groups.google.com/d/** >>>>> msg/indiantreepix/W-AS4OWhx1U/**OLriIyMe4iYJ<https://groups.google.com/d/msg/indiantreepix/W-AS4OWhx1U/OLriIyMe4iYJ> >>>>> >>>>> Toptropical, Dave's, The Plant List conflict with each other. So does >>>>> FoC or FoP. >>>>> >>>>> *Thank you once again.* >>>>> *Regards,* >>>>> surajit >>>>> >>>>> >>>>> On Friday, 10 May 2013 15:05:35 UTC+5:30, radhaveach wrote: >>>>>> >>>>>> I don't think this is Ixora polyantha. >>>>>> >>>>>> Please see this efi post: >>>>>> https://groups.google.com/**forum/#!searchin/** >>>>>> indiantreepix/Rubiaceae$**20Week$3A$20Ixora$** >>>>>> 20finlaysoniana$20Wall.$20ex$**20G.$20Don$20from$20Delhi/** >>>>>> indiantreepix/p_O-MPwW9O8/**MnVH4bqpQigJ<https://groups.google.com/forum/#%21searchin/indiantreepix/Rubiaceae$20Week$3A$20Ixora$20finlaysoniana$20Wall.$20ex$20G.$20Don$20from$20Delhi/indiantreepix/p_O-MPwW9O8/MnVH4bqpQigJ> >>>>>> >>>>>> From this it seems that the commonly cultivated Ixora in many gardens >>>>>> is *Ixora finlaysoniana* Wall. ex G. Don, Gen. Hist. 3: 572 1834 >>>>>> >>>>>> regards >>>>>> Radha >>>>>> >>>>>> >>>>>> >>>>>> On Thursday, April 11, 2013 11:32:14 PM UTC+5:30, surajitkoley wrote: >>>>>>> >>>>>>> Sir, >>>>>>> >>>>>>> This is a tree with highly scented big flowers. It cannot be *I. >>>>>>> parviflora* Vahl (*I. pavetta* >>>>>>> Andr.<http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=242423581>), >>>>>>> neither *I. undulata* Roxb. >>>>>>> Photos were taken on 06-April-2013, in Hooghly. >>>>>>> >>>>>>> Thank you, >>>>>>> Regards, >>>>>>> >>>>>>> -- >>>> You received this message because you are subscribed to a topic in the >>>> Google Groups "efloraofindia" group. >>>> To unsubscribe from this topic, visit >>>> https://groups.google.com/d/topic/indiantreepix/aeWdGDgGt8I/unsubscribe?hl=en >>>> . >>>> To unsubscribe from this group and all its topics, send an email to >>>> [email protected]. >>>> >>>> To post to this group, send email to [email protected]. >>>> Visit this group at http://groups.google.com/group/indiantreepix?hl=en. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>>> >>>> >>> >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "efloraofindia" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/indiantreepix?hl=en. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > > > -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. 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