Cactus
cowpea, clover
Ephedra is a 7 letter medicinal plant that's used to treat allergies and asthma, but I don't know of a 6 letter plant.
mimosa
MIMOSIA
Letter of the Six was created in 1989.
Accord is a six letter word. Accrue is another six letter word.
Six letter words starting with the letter "T"ThreatThreadTinkerTimingTakingTeamedToppedTriple
Some six letter words with the fifth letter I are:acaciaacquitaffairafraidanemiaauntiebanditbarriobigwigbionicbobbinboogiecandidcatnipcervixcitricclericcliniccoffincolliecommitcookiecosmiccousincreditcriticculpritdahliadebrisdeceitdetaindevoiddimwitdomaineclairentaileroticethnicfabricferricforbidfrolicgarlicgerbilgossipGothichectichermitherniaheroinhorridhubrishybridiconicimpairinlaidironicitalicjerkinliquidmantismarginmarlinmemoirmohairmosaicmuffinmythicnapkinniacinnitricobtainorchidordainoriginoutfitoxtailpallidpectinpelvispencilpermitphobiapicnicpotpieprefixprofitpublicpulpitrabbitraisinrecoilremainrepairrookierusticsepticsordidspiritstaticstudiostupidsubmitsuffixsummittactictennistidbittorridtragictropicturnipurchinverminvictimviolinvirginweevilzinnia
A six letter word is regain.
Anthem is a six letter word ending with them.
The six parts of the plant cell are, the cell wall the cell membrane the vacuole the nucleus the chloroplast and the cytoplasm