Hi, Suresh ji, I have doubts as white flower is too small, see the pictures at: http://images.google.co.in/images?hl=en&q=Costus%20speciosus&um=1&ie=UTF-8&sa=N&tab=wi
2009/3/25 Suresh C. Sharma <[email protected]> > Garg Sahib, it should be Spiral ginger (*Costus speciosus)* > Also see the link : www.hear.org/.../images/image/?q=030807-0069 > > Regards, > Suresh C Sharma > > > On 3/25/09, J.M. Garg <[email protected]> wrote: > >> Forwarding again for Id pl. >> >> ---------- Forwarded message ---------- >> From: Padmanabhan Geetha <[email protected]> >> Date: 2009/3/3 >> Subject: [indiantreepix:/] 030309 GI Is this a ZINGIBERACEAE member >> To: satish phadke <[email protected]> >> Cc: indiantreepix Indian <[email protected]>, >> wildflowerindia <[email protected]> >> >> >> Dear Friends >> Request id. Is it a memeber of the Family ZINGIBERACEAE? >> Location : Isha Home School, Coimbatore.Not photographed in the wild. >> thanks you and >> best wishes >> geetha >> >> On Tue, Mar 3, 2009 at 8:40 PM, satish phadke <[email protected]>wrote: >> >>> FAMILY OF THE WEEK : ZINGIBERACEAE >>> >>> A family of 45 genera and 750 species distributed in the tropical regions >>> chiefly Indo Malaysia. In India there are 17 genera and 112 species >>> occurring in Eastern Himalayas and Western ghats. >>> >>> *Vegetative characters:* >>> They are perennial herbs with creeping, horizontal or tuberous rhizomes. >>> The plants are usually aromatic. >>> The aerial stem when present is short and leafy or scapose and bearing >>> only flowers as in *Curcuma *and *Zingiber*. The leaves are basal or >>> cauline and are in two rows. They have a sheathing base and a petiole may or >>> may not present between sheath and blade. The blade is linear to elliptical >>> often large with numerous closely parallel and pinnate veins diverging >>> obliquely from the midrib. A characteristic ligule is present at the >>> junction of the petiole and blade. >>> >>> *Inflorescence and flowers:* >>> The inflorescence is either terminal on the leafy shoot or on a scale >>> leaf bearing scape(*Curcuma*) or produced directly from the rootstock at >>> the base of the stem(*Amomum*).It is a spike (*Curcuma*) or a dense >>> head(*Costus*) or panicle.Sometimes the flowers are solitary as in >>> Gastrochilus. >>> The flowers are bracteate and the bracts are often coloured and >>> distichous or spirally arranged. They are mostly bisexual, zygomorphic or >>> actinomorphic, trimerous and epigynous. The perianth is of six members in >>> two trimerous whorls. It is differentiated into an outer calyx and and an >>> inner corolla. The three sepals are united into a tube. The odd sepal is >>> anterior. The petals are also more or less united and the three segments are >>> similar or dissimilar and then the posterior segment is usually the largest >>> and covers the edges of lateral segments. The petals are often very showy >>> and delicate. The androecium is of six stamens in two trimerous whorls. The >>> anterior stamen of the outer whorl is always absent while the other two are >>> represented by large and leafy staminodes. The posterior stamen of the inner >>> whorl and the other two are united to form a petaloid labellum which >>> embraces the fertile stamen and is often the most conspicuous part of the >>> flower. The fertile stamen and the staminodes are inserted on the mouth of >>> the corolla tube. The fertile stamen has a slender and deeply grooved >>> filament and a dithecous anther dehiscing vertically. The gynoecium is >>> tricarpellary and syncarpous. The ovary is inferior and trilocular.The style >>> is simple and terminal and is more or less enevoloped in the groove of the >>> filament of the fertile stamen. Sometimes the style is two lipped or >>> dentate. The stigma is simple or capitate. >>> A pair of nectar secreting epigynous glands are often present. >>> >>> *Fruits and seeds:* >>> The fruit is usually a loculicidal capsule. The seeds are rounded or >>> angular with copious hard or mealy endosperm and straight embryo. >>> >>> *Pollination and dispersal:* >>> The showy flowers favour insect pollination. The fruits are distributed >>> by animals. >>> >>> *Examples*: >>> Zingiber officinale (Ginger, adrak, Ale) >>> Curcuma >>> Curcuma longa L. (Turmeric,Haldi) >>> Curcuma angustifolia Roxb.(East Indian arrowroot, Tikhur) >>> Curcuma neilgherrensis >>> Amomum cardamomum (Cardamum,Choti Elayachi) >>> Elettaria cardamomum (Cardamon, Elaychi) >>> Hitchenia caulina >>> >>> >>> >>> -- >>> >>> http:// satishphadke.blogspot.com >>> >>> >>> >> >> For learning about our trees & plants, please visit/ join Google e-group >> (Indiantreepix) http://groups.google.co.in/group/indiantreepix?hl=en >> >> >> >> >> >> >> > -- With regards, J.M.Garg "We often ignore the beauty around us" Creating Awareness about Indian Flora & Fauna: http://en.wikipedia.org/wiki/User:Jmgarg1 For learning about our trees & plants, please visit/ join Google e-group (Indiantreepix) http://groups.google.co.in/group/indiantreepix?hl=en --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "indiantreepix" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.co.in/group/indiantreepix?hl=en -~----------~----~----~----~------~----~------~--~---

