"ফার্ন" পাতাটির দুইটি সংশোধিত সংস্করণের মধ্যে পার্থক্য

পরিভ্রমণে ঝাঁপ দিন অনুসন্ধানে ঝাঁপ দিন
193.156.161.172 (আলাপ)-এর সম্পাদিত 1813193 নম্বর সংশোধনটি বাতিল করা হয়েছে
(193.156.161.172 (আলাপ)-এর সম্পাদিত 1813193 নম্বর সংশোধনটি বাতিল করা হয়েছে)
==বর্ণনা==
http://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=edithttp://en.wikipedia.org/w/index.php?title=Fern&action=editvvv
===জীবন চক্র===<!-- .This section is linked from "Alternation of generations". Be sure to change the link there if you change the title of this section. -->
[[Image:Onoclea sensibilis 3 crop.JPG|thumb|right|Gametophyte ([[Thallus|thalloid]] green mass) and sporophyte (ascendent frond) of ''[[Onoclea sensibilis]]'']]
ফার্ণ হল টেরিডোফাইট প্রজাতির উদ্ভিদ। এর বৈজ্ঞানিক নাম হল Pteris. Pteris উদ্ভিদে সুস্পষ্ট জনুক্রম বিদ্যমান, কারণ এখানে স্পোরোফাইটিক জনুর সাথে গ্যামিটোফাইটিক জনুর অনুক্রমের মাধ্যমে জীবনচক্র সম্পন্ন হয়। Pteris উদ্ভিদ স্পোরোফাইটিক তথা ডিপ্লয়েড (2n)। এটি হতে উৎপন্ন সোরাস, সোরাসে অবস্থিত স্পোরোন্জিয়াম এবং স্পোরোন্জিয়ামের ক্যাপসিউলের ভেতরে অবস্থিত স্পোর মাতৃকোষও ডিপ্লয়েড।
 
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