Cov piv txwv ntawm cov umbel yog-Daucus carota (carrot), Foeniculum vulgare (fennel), Coriandrum sativum (coriander), thiab lwm yam 3. Compound Corymb: Kuj hu ua corymb ntawm corymbs.
Qhov twg hauv qab no yog piv txwv ntawm kev sib xyaw spadix inflorescence?
Mixed Spadix:
Cov txiv tsawb spadix yog ib qho sib xyaw inflorescence li cymose pawg ntawm paj yog teem rau acropetally ntawm lub cev nqaij daim tawv. Txhua pawg cymose yog subtended los ntawm ib tug spathe-ib tug laus spathe subtending tus yau tom ntej.
Dab tsi yog qhov sib xyaw spike inflorescence?
Cov kab ntsig yog lub npe hu uaspike ntawm spikelets. Sessile paj (spikelets) yog tam sim no nyob rau ntawm ceg ceg loj-axis. Piv txwv li: nplej, barley, sorghum, oats thiab lwm yam.
Yuav ua li cas thiaj muaj cov paj tawg paj?
Kev npaj ntawm inflorescence hauv umbels yog hu ua umbellate, lossis qee zaus subumbellate (yuav luag umbellate). Umbels yog cov yam ntxwv ntawm cov nroj tsuag xws li carrot, parsley, dill, thiab fennel hauv tsev neeg Apiaceae; Ivy, Aralia thiab Fatsia hauv tsev neeg Araliaceae; dos (Allium) hauv tsev neeg Alliaceae.
Lub kaus mom yog dab tsi?
Compound umbel-es tsis yog ib tus paj tawg tawm ntawm ib qho taw tes, muaj cov ceg ntoo hloov pauv. Nyob rau hauv qhov kawg ntawm txhua ceg yog theem nrab umbels. Qhov piv txwv no yog poj huab tais Anne's lace lossis qus carrot(Daucus carota).
