Abin da ke da kuma dalilin da yasa yake
Wasu lokuta wasu kayan shuka zasu iya samuwa da kuma ɗaukar sababbin ayyuka. Yawancin tsire-tsire suna da wani ɓangare da ake kira petiole wanda ya haɗa da ganyayyaki zuwa kara. A wasu tsire-tsire, petiole ya canza saboda dalilai na muhalli don haka yana kama da ganye kuma an kira shi phyllode. Yana tasowa samuwa don photosynthesize da aiki a matsayin foliage.
Main mai tushe kamar rassan da flower stalks (da aka sani da rachis) kuma iya zama phyllodes.
Ana samun alamar samari a yawancin nau'in bishiyoyi acacia da shrubs . Yawancinsu sun fara fita tare da ganye na gaskiya kamar yadda aka shuka, amma sun fadi bayan phyllodes suka ci gaba. Kalmar Palo verde (Parkinsonia aculeata) ta Mexican tana da phyllodes.
Petioles da Phyllodes
A cikin tsire-tsire masu tsire-tsire, petiole yana da karfi kuma yana taimakawa ta hanyar haɗuwa da ganye zuwa ga tushe. A wasu tsire-tsire, petioles suna canzawa ko ƙwarewa a hanyar da za su zama leaf-like a bayyanar (fadada) kuma su yi aiki ba kawai don tallafa wa ganye ba amma don aiwatar da photosynthesis. Hanyoyi na Acacia koa, misali, suna da zurfi da haɗin gwiwar taimakawa injin da ke tsira daga yanayin da ke damuwa.
A cikin mosses , phyllodes suna komawa ga nau'i-nau'i-nau'i-nau'i na ganga a cikin gametophyte. Ba a ɗauke phyllodes a matsayin ganyen gas ba ko da yake suna kama da bayyanar da aiki. Dalili ne saboda phyllodes ba su da kwaskwarima na jikin jini.
Phyllodes da Phylloclades
Babban bambanci tsakanin phyllode da phylloclade ne, phyllode ne mai gyaggyarawa petiole ko shoot wanda ya hada da tushe da ganye. Yana kama da aikin leaf. Duk da yake phylloclade ne mai gyaggyarawa, wanda ke da alhakin photosynthesis. Har ila yau yana aiki kamar leaf.
Ƙarin bambance-bambance sun hada da
- Phyllode wani ganye ne wanda aka gyara, petiole, yayin da phylloclade ne mai juyayi.
- A Cyllode petiole an canza zuwa shirya, leaf kamar tsarin kore a launi nuna photosynthesis yayin da a phylloclade tushe an sake fasalin a cikin layi, leafy tsarin leafynthesize.
- Phyllode Bears wani axillary toho yayin phylloclade ba.
- Phyllode flower ko toho suna bace yayin da phylloclade shi ne ba.
- Phyllode ba reshe yayin phylloclade aikata.
- A cikin Phyllode spines ba su nan kuma a phylloclade shi ne ba a matsayin axillary buds.
- Scaly ganye ba su kasance a cikin Phyllode yayin da yake a phylloclade.
- A Cyllode kumburi da internodes basu kasance yayin da suke a phylloclade.
- Misali na Phyllode ne Melanoxylone da Acacia yayin phylloclade ne Cactus da Cocoloba.
Phylloclades da Cladodes
Ana iya daidaita irin wannan yanayin da ake kira cladode. A nan ne bambance-bambance:
Phylloclade:
- Yana da shinge mai bangon ko gyara reshe.
- A nan an sanya karar a cikin wani ɗaki mai mahimmanci ko maɓalli, mai mahimmanci da kore.
- Yana tasowa a cikin gabar ganye wanda ya fadi, yana barin wani tsawa.
- Yana ɗaukar nauyin nodes da internodes a tsawon lokaci ko gajeren lokaci.
Misali: Opuntia, Casuarina.
Cladode:
- Yana da sauya reshe na reshe.
- A nan an sake gyara reshe a cikin wani tsari mai sauƙi, kore, lebur ko cylindrical ko na ganye.
- Za a iya bayyana a cikin guntu ko kuma guda ɗaya a cikin tsaka-tsalle na sikelin.
- Yana da phylloclade na mafi yawa daya ko ƙila biyu internodes kawai.
Misali: Bishiyar asparagus, Ruscus.