Lub ovule yog ib leeg thiab nws txuas ntawm lub hauv paus, qhov no hu ua lub npe basal placentation. - Cov nroj tsuag no kuj muaj lub taub hau lossis capitulum inflorescence; Nws txhais tau hais tias muaj coob tus florets tau teem rau hauv cov axis ib puag ncig los ntawm cov bracts uas koom nrog hauv xwm.
YIs Asteraceae Zygomorphic?
Lub Asteraceae paj taub hau tuaj yeem ua homogamous lossis heterogamous. … Cov paj paj ntawm cov heterogamous lub taub hau tuaj yeem ua tsis muaj menyuam lossis poj niam thiab lawv muaj cov paj zoo nkauj nrog zygomorphic (ob tog) symmetry.
Koj paub Asteraceae li cas?
Qhov txawv ntawm Asteraceae yog lawv inflorescence, hom tshwj xeeb, paj taub hau lossis pseudanthium, technically hu ua calathium lossis capitulum, uas yuav saib zoo li ib lub paj..
hom paj twg nyob hauv tsev neeg Asteraceae?
A capitulum lossis taub hau, tus yam ntxwv inflorescence ntawm tsev neeg paj noob hlis (Asteraceae). Nyob ntawm pawg neeg, cov inflorescence tuaj yeem muaj cov paj paj, paj paj, lossis ob qho tib si rays thiab paj paj.
Tus yam ntxwv ntawm tsev neeg Asteraceae yog dab tsi?
feem ntau tshuaj ntsuab los yog tsob ntoo tsis tshua muaj ntoo; nplooj alternate tsis tshua muaj opposite, exstipulate tsis tshua muaj stipulate; inflorescence capitulum los yog lub taub hau ncig los ntawm involucre ntawm bracts; Cov paj yog paj thiab paj, paj tubular los yog ligulate, paj bi- los yogtus txiv neej tsis sib deev los yog sab nrauv txiv neej los yog poj niam, pentamerous, actinomorphic los yog zygomorphic, …
