
akkeshya nigricans

padinjaaran oostreliyayude thekkan theerathulla oru pradeshathe thaddesheeyamaaya oru inam vaattilaan akkeshya nigricans. 
vivaranam.
kuttichedi saadhaaranayaayi uyarathil valarukayum sthiravum pettant vyavasthakalumulla romamullathum ribbed shaakhakalullathumaanu. elakal rund jody pinnakalaal nirmmithamaan, proximal pinnaykku neelavum disttal pinnaykku neelavumundu, iva rund jody proximal pinnyoolukalum moonnu muthal ettu jody disttal pinnyoolukalum chernnathaanu, ivaykkellaam oru chathuraakrithiyilullathum idungiyathumaaya chathuraakrithiyilullathum neelavum veethiyum undu. shaithyakaalathinte madhyathinum vasanthakaalathinte avasaanathinum idayil ithu manja, golaakrithiyilulla pookkal uthpaadippikkunnu.
vargeekaranam.
1807-ll franch prakrithishaasthranjanaaya jackwus labillardier eee inathe aupachaarikamaayi vivarichu, esperencil ninnu shekharicha sasyavasthukkalude adisthaanathil ithinu "mimosa nigricans" enna peru nalki. 1813ll sasyashaasthranjanaaya roobert braun ithu akkeshya janussilekku maatti.
vitharanam.
ithu palappozhum theeradesha manalkkunnukalilum graanait kunnukalilum padinjaaran oostreliyayude thekkan theerathu swarnnakshethra-esperence pradeshangalil chaaraniratthilo veluthatho aaya manalmannukalil valarunna paarakalkkidayilumaanu sthithi cheiyunnathu. janasamkhyayude bhooribhaagavum barker inlettinu chuttum, padinjaaru esperencinu padinjaaru muthal kizhakk israel ulkkadal vare ulnaadan pradeshangal muthal hovic kunninu sameepam vare vyaapichukidakkunnu, koodaathe reacherch dveepasamoohathile niravadhi dveepukalilum saadhaaranayaayi kaanapedunnu.