Ndiani asina fern kumba kwavo? Iwo ari nyore kutarisira, akasimba uye akasimba saka vanobatsira pakuwedzera girini mubindu.
Vashoma vanhu vanoziva izvozvo ferns ndezvavo genus Aspleniium uye kuti inosanganisira huwandu hwakawanda hwezvisikwa, mamwe anozivikanwa kupfuura mamwe achiwedzera huwandu hwe 7.000 marudzi.
Chakavanzika chemufern
Maferns anobva ku Polypodiaceae mhuri uye vanogona kutaridzika zvakasiyana zvakanyanya kunyangwe ivo vese vachigovana mamwe maitiro havana maruva, michero kana mhodzi. Nezvikonzero izvi, kwemakore akawanda botanists vakatadza kuona kuti vakawanda sei.
Asi muna 1850 muGerman akaona kuti pazasi pemashizha pane mhodzi dzinotendera kuwanda.
Anonyanya kufarirwa maferns
Imwe yei ferns dzinonyanya kufarirwa ndeye Asplenium adiantum nigrum, iyo inosiyaniswa nemashizha ayo epennate mune iyo yakareba tsvuku petiole inoonekwa.
Imwe misiyano ndeye asplenium nidus, rakatosiyana neepfuura nekuti rine mashizha makuru akasvibira, rimwe nerimwe riine tsinga yakakosha yepakati.
El Asplenium bulbifrum Iyo fern yemuno kuAustralia neNew Zealand. Iyo inoratidzirwa nekuve nekuparadzaniswa zvakanyanya mafuru kumahombekombe ayo madiki mabhuru anoonekwa, ayo anokonzeresa kukura kwembeu nyowani.
Pakupedzisira, pane iyo Asplenium viviparum iyo inozvarwa kuMauritius Islands uye zvakare ine akaparadzaniswa mafuru.