
ootteliya

1805ll hydrocheritasy enna jalasasyakudumbathile oru janussaanu ootteliya. aphrica, eshya, thekke america, austreliya ennividangalile ushnamekhalaa, uposhnamekhalaa pradeshangalile thaddesheeyamaanu eee januss.
vivaranam.
eee januss valare vyathyaasappettirikkunnu, vaividhyamaarnna savisheshathakalullathaanu. tirakkeriya elakalulla jalasasyangal ithil adangiyirikkunnu. chila elakal cheria thandukalil pidikkunnu. mattullava neelamulla thandukalil pongikkidakkunnu. veroonniya thandu neelamullathaanu.
pookkal oru herbasius braakttil pidikkunnu, athu palathum nerve cheythathum rund muthal aarr vare vyakthamaaya vaariyellukalullathumaan. tubular spath taamasiyaathe randaayi vibhajikkappedunnu. 
oro poovinum andaashayathinte kokkinu mukalil oru trimerous perianthinte rund varikalundu. karkkashamaaya puram paali deerghachathuraakrithiyilullatho rekheeyamo aanu. valia aantharika paali dalangal poleyaanu, adiyil mamsalamaaya anubandhamundu. palappozhum paranna philamentukalulla aaroo athiladhikamo kesarangalundu. andashayam deerghachathuraakrithiyilullathum sakthamaaya vikasita marupillakalaal chulivullathum niravadhi andangal adangiya aarr arakalaayi vibhajikkunnathumaan. bhaagikamaayi randaayi vibhajikkapetta aarr rekheeya shailikalund.
moonno aaroo chirakukalulla eee cherunaaranga pazhangal pookkalude shaakhayil ulppeduthiyittundu. avayil niravadhi cheruthum deerghachathuraakrithiyilullathu vithukal adangiyirikkunnu.
eee janussine rund upavibhagangalaayum naalu vibhagangalaayum vibhajikkanamenn nirddeshikkappettindu
vitharanam.
aphrica muthal eshya vare austreliya, nyoo caledonia, brazeel ennividangalilellaam eee januss kaanapedunnu. ettavum kooduthal vaividyamulla pradeshangal madhya aafrikkayilum (ekadesham 13 enangal) thekkukizhakkan eshyayilum (ekadesham 8 enangal) kaanapedunnu.thadaakangalilum pathukke ozhukunna aruvikalilum nadikalilumaanu iva kooduthalum valarunnathu.
phylogenomics parinaamavum.
meosene kaalaghattatthinte madhyathil uthbhavicha eee janussil ippol vaividhyathinte rund pradhana kendrangalaaya aphrica, eshya ennivayumaayi poruthappedunna rund pradhana vamshangal adangiyirikkunnu. eee januss aafrikkayil ninnaan uthbhavichathenn roopashaasthraparamaaya thelivukal soochippikkunnu. pinneedu ithu samudrathiloode thekke amerikkayilekkum oostreliyayilekkum pinneedu austreliyayil ninnu eshyayilekkum vyaapichu. 
aagola thanuppikkal, kizhakkan eshyan mansoon kaalaavasthayude vikasanam, tectonic chalanam enniva chainayile vaividhyavalkkaranathe sahayichu. chainees inamaaya "ootteliya" yude uyarnna endemisathe vishadeekarikkaan leosene pinn yunnaan-guisho peedabhoomiyude chalanam nirddeshikkappettittund.
speeshees.
hydrocheritasy kudumbatthile randaamathe valia janussaanu ithu. thaazhepparayunna enangal amgeekarikkappedunnu
samrakshanam.
eee janussilpetta enangale avayude jalaashayangalude upayogavum malineekaranavum kooduthal prathikoolamaayi badhikkunnu. kalavastha vyathiyaanathinte falamaayi avayum kurayunnu. jalathinte thaapanila vardhikkunnathu ulppedeyulla maarikkondirikkunna saahacharyangal moolam kalavastha vyathiyaanam aavaasavyavasthayude vighadanavum aavasa nashtavum thwarithappeduthunnathil ithu thudarum.

