Monocots da dicots: Mene ne bambanci?

A rukuni na angiosperms Flora za a iya raba monocots da dicots, iri dabam-dabam, yafi tsarin da tayi. Duk da haka, wadannan shuke-shuke suna da azuzuwan da sauran bambance-bambance a cikin tsari na vegetative da generative gabobin.

Class Dicotyledons, ko Magnoliopsidy: shuka tsarin da kuma taƙaitaccen bayanin su

A ranar, da aji aka dauke su quite manyan, don haka ya hada da game da 200,000 jinsunan. Its wakilan da yawan sosai musamman rarrabe fasali.

Dicotyledons aka wakilta daban-daban siffofin - cewa itatuwa da kuma shrubs, da kuma ganye. A woody jinsunan da fairly lokacin farin ciki Layer cambium a kara - musamman masana'anta cewa tsiraru da tabbatar da girma a fadin. shuka ganye iya zama duka sauki da hadaddun, amma a kusan dukkanin jinsunan, suka Cherenkov - sessile leaf ruwan wukake ba hali na wannan aji. Records venation a mafi yawan lokuta net. A tushen tsarin ne advantageously sanda - yana da wani babban, babban tushen, wanda girma daga gefe, na kananan girma.

Wani alama - shi ne tsarin da generative gabobin. A mafi jinsunan da manyan furanni da haske launuka. Bã su da wani biyu perianth (sepals da kuma petals) furanni mafi yawa five- ko hudu-membered. Dicotyledonous shuke-shuke suna mafi sau da yawa pollinated da kwari.

Kuma, ba shakka, yana da matukar halayyar tsarin da tayi, wanda yana da biyu gefen cotyledons. Af, tare da wannan alama da kuma hade aji sunan.

Dicotyledons: mafi kowa iri

Wannan aji hada da mai girma yawan jinsunan da suke kunshe a da isar da dama dubu da ɗari uku da iyalansu. A mafi kyau da aka sani na wadannan ne wadannan.

Cruciferous - cikin wakilan aka rarraba, yafi a arewacin yammancin duniya na duniya. Mafi yawan jinsunan - a grassy siffar ko kananan shrubs. Kowane mutum ne saba da irin wannan wakilan crucifers kamar kabeji, radish, horseradish, kabeji da mustard, kuma radish.

Family Pink hadawa itatuwa, shrubs da herbaceous shuke-shuke, wanda aka yafi rarraba a temperate kuma subtropical canjin yanayin. Alal misali, sanannen daji ya tashi da kuma dada wardi ne kawai a lokacin da wannan kungiya. Yana kuma ya hada da mafi yawan 'ya'yan itatuwa da kuma shrubs, ciki har da apple, pear, ceri, Rowan, rasberi, ceri, blackberry.

A legume iyali - da siffar da woody shrubs an rarraba, yafi a wurare masu zafi da kuma subtropical kasashe da grassy fi son more temperate kuma ko da sanyi sauyin yanayi. All mambobi ne na kungiyar ne halin da takamaiman whisk "papilionaceous" type. Wannan kungiyar hada da wadannan da aka sani da shuke-shuke: Peas, wake, alfalfa, wake, waken soya. Af, wasu nau'in kuma rayayye da hannu a cikin nitrogen sake zagayowar.

Class Monocots: taƙaitaccen bayanin

Wannan rukuni ne yafi herbaceous shuke-shuke - itatuwa da kuma shrubs a shi ne musamman rare. Su mai tushe yawanci dauke da cambium sabili da haka ba su iya girma a kauri. Leaflets - sauki, tare da na game gefuna. Bã su da tushe da kuma a haɗe zuwa da kara gefen lamina, wanda shi ne dalilin da ya sa aka kira su sessile ganye. Venation a mafi yawan lokuta, a layi daya ko arcuate.

Wani alama - wani fibrous tushen tsarin, wanda ba shi da babban tushen. Amfrayo yana daya kawai cotyledon, da kuma la'akari da matsayin da aji sunan.

Mafi yawa daga monocots ne pollinated da iska. Saboda haka, su furanni - kananan, dushe, guda perianth, mafi yawa uku-membered.

Hankula wakilan wannan kungiya - hatsi: alkama, hatsi, masara, shinkafa da wasu.