Qhov sib txawv tseem ceeb ntawm cov nyom thiab sedge yog cov nyom yog cov tswv cuab ntawm cov nroj tsuag tsev neeg Poaceae thiab nws muaj lub qia cylindrical thiab hloov pauv cov nplooj thaum sedge yog ib tug tswv cuab ntawm tsev neeg Cyperaceae thiab nws muaj ib qho khoom peb sab qia thiab kauv. npaj nplooj.
Cyperaceae thiab Poaceae / Gramineae yog ob tsev neeg ntawm cov paj ntoo monocotyledonous. Poaceae nroj tsuag tseem hu ua nyom. Cyperaceae nroj tsuag tseem hu ua sedges, thiab lawv yog cov nyom zoo li cov nroj tsuag. Ob leeg nyom thiab sedges yog cov nroj tsuag tsis muaj ntoo. Nws yog feem ntau nyuaj los txheeb xyuas qhov sib txawv ntawm cov nyom thiab sedge. Ib qhov sib txawv loj ntawm lawv yog lawv qia. Nyom stems yog hollow thiab cylindrical nyob rau hauv cross-section thaum sedge stems yog khov thiab triangular nyob rau hauv cross-section.
Yav yog dab tsi?
Cov nyom yog cov nroj tsuag tsis muaj ntoo nyob hauv tsev neeg Poaceae. Lawv yog monocotyledonous flowering nroj tsuag. Muaj 10,000 hom nyom tiag tiag. Ntau hom nyom pom nyob txhua qhov chaw hauv ib puag ncig. Nyom muaj xws li cereal grasses, bamboos thiab grasses ntawm natural grassland thiab cultivated lawns thiab pasture. Lawv tuaj yeem yog txhua xyoo lossis perennials. Nyom stems yog hollow thiab cylindrical nyob rau hauv cross-section. Lawv tsim ob qho tib si vegetative thiab floral stems. Cov nplooj yog ob-ranked thiab alternately teem. Tsis tas li ntawd, lawv tsim cov paj zoo nkauj. Nyom nyiam qhov chaw tshav ntuj nrog cov av zoo.
Daim duab 01: Nyom
Nqaij muab zaub rau tsiaj noj. Qee cov nyom yog cog ua ornamental nyom. Lawv kuj tseem siv los npog cov nroj tsuag los tswj cov av yaig.
Sedge yog dab tsi?
Sedges yog cov nyom zoo li cov nroj tsuag tsis muaj ntoo uas yog tsev neeg Cyperaceae. Muaj txog 5500 hom kab mob uas paub. Cov nroj tsuag no muaj cov stems uas yog daim duab peb sab hauv hla ntu. Lawv cov nplooj yog spirally teem, thiab lawv nyob rau hauv peb qeb.
Daim duab 02: Sedges
Sedges yog cov nroj tsuag muaj xyoob ntoo thiab nyiam qhov chaw ntxoov ntxoo, noo noo. Sedge stems tsis muaj o nodes los yog pob qij txha. Sedge paj yog inconspicuous, thiab lawv tuaj yeem yog bisexual lossis unisexual. Lawv yog cov cua-pollinated paj. Li no, paj tsis muaj yeeb yuj perianth.
Yuav ua li cas zoo sib xws ntawm Nyom thiab Sedge?
- ob nyom thiab sedges yog monocotyledons.
- Cov nplooj yog cov nroj tsuag zoo li nyom, yog li lawv tau xaj Graminales.
- Lawv muaj cov hauv paus hniav.
- Ntxiv mus, lawv cov nplooj muaj qhov sib npaug.
- Lawv tau tawg ntho cov hlab ntsha.
- Ntxiv rau, lawv yog cov nroj tsuag cua-pollinated.
Qhov txawv ntawm Nyom thiab Sedge yog dab tsi?
Nqaij yog ib tsob nroj uas nyob hauv tsev neeg Poaceae thaum lub paj yog cov nroj tsuag uas yog tsev neeg Cyperaceae. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm cov nyom thiab sedge. Tsis tas li ntawd, cov nyom stems yog hollow thiab cylindrical zoo nyob rau hauv cross-sections thaum sedges stems yog cov khoom thiab muaj triangular cross-sections.
Tsis tas li ntawd, cov nyom muaj cov nplooj hloov pauv, ua ob qib thaum cov nplooj muaj nplooj uas muab kauv txheej hauv peb qib. Lwm qhov sib txawv ntawm cov nyom thiab sedge yog cov nyom tuaj yeem yog txhua xyoo lossis perennials thaum sedges yog txhua xyoo. Tsis tas li ntawd, cov paj ntawm cov nyom yog cov yeeb yam thaum paj paj yog ntau yam tsis pom zoo
Cov hauv qab no infographic tabulates ntau qhov kev sib piv kom pom qhov txawv ntawm cov nyom thiab sedge.
Summary – Nyaj vs Sedge
Cov nyom thiab sedges yog monocotyledon nonwoody nroj tsuag uas tau txiav txim Graminales. Txawm li cas los xij, cov nyom belongs rau tsev neeg Poaceae, thaum sedges yog tsev neeg Cyperaceae. Nyom muaj hollow cylindrical stems thaum sedges muaj cov duab peb sab stems. Cov nplooj nyom yog alternated thaum cov nplooj nplooj yog spirally teem. Ntxiv mus, cov nplooj ntawm cov nyom feem ntau yog ob qeb thaum cov sedges feem ntau yog peb qeb. Yog li, qhov no qhia txog qhov sib txawv ntawm cov nyom thiab sedge.
