
cephalotexus

cephalotexus, jise aamtaur parr plum yuu yaa coutel pine kahaa jaataa haye, shankudhari kii ack prajaati haye jisamen 11 prajaatiyan shamil hain, jinhen yaa tou cephalotexacy parivaar kaa ekmatra sadasya maanaa jaataa haye, yaa taxacy mein jaba usa parivaar koo vyaapak arthon mein maanaa jaataa haye. yeh vansh purvi asia mein sthaanik haye, halanki jeevaashm sakshya seey pataa chalata haye kii ateet mein iska uttari golardh mein vyaapak vitaran thaa. prajaatiyan sadabahar jhaadiyan aur chhote pedh hain joe (shayed hii kabhi) lambe hotey hain.
vargeekaran.
aanvik adhyayanon mein "cephalotexus" koo taxacy key sabse buniyaadi sadasya key roop mein rakhaa gayaa haye, joe antim tricic key dauran unase bahut pracheen vichalan thaa. aitihaasik roop seey, ise cephalotexacy parivaar key ekmatra sadasya key roop mein rakhaa gayaa thaa, joe taxacy key anya sadasyon seey majboot roopaatmak antar key kaaran thaa, lekin pramukh adhikaari parivaar koo taxacy kaa paryaay maanate hain.
varnan.
pattiyon koo ankuron parr sarpil roop seey vyavasthit kiya jaataa haye, lekin dou sapaat shreniyon mein (khadee pramukh ankuron koo chhodkar) rahane key liye aadhar parr mudaaya jaataa haye; way raikhik, lambe aur chaude, banaavat mein naram hotey hain, ack kund noke key saath; yeh unhein sambandhit genus "torreya" seey alag karane mein madad kartaa haye, jisamen reedh kii huddy vaale patte hotey hain.
prajaati yaa tou acrus yaa acrus hoe sakati haye; jaba acrus, narr aur maadaa shanku aksar alag-alag shaakhaon parr hotey hain. narr (parag) shanku lambe hotey hain, ack ankur key neeche kii or panktiyon mein samoohbaddh hotey hain. maadaa (beej) shanku ekal yaa dou seey 15 chhote tanon parr ack saath samoohbaddh hotey hain; pahale minut mein, way lagbhag 18 maheenon mein ack badey nutt jaise beej key saath ack droop jaisi sanrachana mein paripakva hoe jaate hain, joe ack mansal aavaran seey ghiraa hotaa haye, poorna paripakvata parr harey seey baingani. praakritik failaav koo gilhariyon dwara sahaayata praapt maanaa jaataa haye joe sardiyon key khaadya srot key liye beej koo dafanaate hain; koee bhee beej joe binaa bache reh jaate hain, taba ankurit honey mein saksham hotey hain.
phytochemistry.
"cephalotexus" prajaati cephalotexin kaa utpaadan karati haye, joe ack kshaariya haye. pairi aitt all 1980 iss baat kaa pramaan pradaan kartaa haye kii cephalotexin ack phenylethylisoquinoline haye. haalaanki, way iss vansh koo cephalotexin mein dalchini acid koo shamil karane mein asamarth paate hain, aur dalchini acid kaa samavesh aamtaur parr phenylethylisoquinoline sanshleshan mein ack kadam haye, joe phenylethylisoquinoline siddhant koo prashn mein daaltaa haye.
vidyamaan prajaatiyan.
cephalotexus" kaa vargeekaran kathin haye, kyonki prajaatiyon koo una visheshtaon kaa upayog karke paribhaashit kiya gayaa haye joe ack dusare key saath antar-shrenikrit hoti hain, jaise kii suiyon, chhaal aur stomatal baind rung kii lambai aur aakar. "cephalotexus" prajaatiyon koo aksar aakriti vigyaan key bajaay bhaugolik roop seey alag kiya gayaa haye.