Chi Giền
Các loài

Chi này chứa khoảng 160 loài, phân bố tại châu Á, châu Phi và châu Mỹ.
Xylopia acutiflora,  (Dunal) A.Rich.
Xylopia aethiopica,  (Dunal) A.Rich.
Xylopia africana, Oliv.
Xylopia amazonica, R.E.Fr.
Xylopia ambanjensis, Cavaco & Keraudren
Xylopia amoena, R.E. Fr.
Xylopia amplexicaulis, (Lam.) Baill.
Xylopia arenaria, Engl.
Xylopia aromatica, (Lam.) Mart.
Xylopia aurantiiodora, De Wild. & T.Durand
Xylopia barbata, Mart.
Xylopia beananensis, Cavaco & Keraudren
Xylopia bemarivensis, Diels
Xylopia benthamii, R.E.Fr.
Xylopia bocatorena,  Schery
Xylopia brasiliensis, Spreng.
Xylopia buxifolia, Baill.
Xylopia calophylla, R.E.Fr.
Xylopia capuronii, Cavaco & Keraudren
Xylopia caudata, Hook.f. & Thomson
Xylopia cayennensis, Maas
Xylopia chrysophylla, Louis ex Boutique
Xylopia collina, Diels
Xylopia columbiana, R.E.Fr.
Xylopia conjungens, R.E. Fr.
Xylopia coriifolia, Ridl.
Xylopia crinita, R.E. Fr.
Xylopia cupularis, Mildbr.
Xylopia cuspidata, Diels
Xylopia danguyella, Ghesq. ex Cavaco & Keraudren
Xylopia decorticans, D.M. Johnson & Lobão
Xylopia dehiscens, (Blanco) Merr.
Xylopia densiflora, R.E. Fr.
Xylopia densifolia, Elmer
Xylopia dielsii, Cavaco & Keraudren
Xylopia discreta, (L.f.) Sprague & Hutch.
Xylopia egleriana, Aristeg. ex Maas
Xylopia elliotii, Pierre ex Engl. & Diels
Xylopia elliptica, Maingay ex Hook.f. & Thomson
Xylopia emarginata, Mart.
Xylopia excellens, R.E.Fr.
Xylopia fananehanensis, Cavaco & Keraudren
Xylopia ferruginea , (Hook.f. & Thomson) Baill.
Xylopia ferruginea var. oxyantha, (Hook. f. & Thomson) J. Sinclair
Xylopia flamignii, Boutique
Xylopia flexuosa, Diels
Xylopia frutescens, Aubl.
Xylopia fusca, Maingay ex Hook.f. & Thomson
Xylopia gilbertii, Boutique
Xylopia humblotiana, Baill.
Xylopia hypolampra, Mildbr.
Xylopia katangensis, De Wild.
Xylopia kuchingensis, I.M.Turner & D.M.Johnson
Xylopia laevigata, (Mart.) R.E. Fr.
Xylopia lamii, Cavaco & Keraudren
Xylopia langsdorfiana, St.Hilaire & Tulasne
Xylopia lastelliana, Baill.
Xylopia latipetala, Verdc.
Xylopia le-testui, Pellegr.
Xylopia lemurica, Diels
Xylopia lenombe, Paiva
Xylopia ligustrifolia, Dunal
Xylopia longicuspis, R.E. Fr.
Xylopia longipetala, De Wild. & T.Durand
Xylopia macrantha, Triana & Planch.
Xylopia madagascariensis, Cavaco & Keraudren
Xylopia malayana, Hook.f. & Thomson
Xylopia micans, R.E. Fr.
Xylopia mildbraedii, Diels
Xylopia mucronata, Boerl.
Xylopia multiflora, R.E.Fr.
Xylopia muricata, L.
Xylopia mwasumbii, D.M. Johnson
Xylopia nervosa,  (R.E. Fr.) Maas
Xylopia nitida, Dunal
Xylopia ochrantha, Mart.
Xylopia odoratissima, Welw. ex Oliv.
Xylopia orestera,  I.M.Turner & D.M.Johnson
Xylopia orinocensis, Bagstad & D.M.Johnson
Xylopia panamensis, G.E. Schatz
Xylopia paniculata, Exell
Xylopia parviflora, Spruce
Xylopia perrieri, Diels
Xylopia peruviana, R.E. Fr.
Xylopia phloiodora, Mildbr.
Xylopia pierrei, Hance
Xylopia pittieri, Diels
Xylopia plowmanii, Xylopia plowmanii
Xylopia polyantha, R.E. Fr.
Xylopia pulchella, Ridl.
Xylopia pulcherrima, Sandwith
Xylopia pynaertii, De Wild.
Xylopia quintasii, Pierre ex Engl. & Diels
Xylopia rubescens , Oliv.
Xylopia rubescens var. klaineana, Pellegr.
Xylopia sahafariensis, Cavaco & Keraudren
Xylopia sericea, A.St.-Hil.
Xylopia sericolampra, Diels
Xylopia sericophylla, Standl. & L.O. Williams
Xylopia spruceana, Benth. ex Spruce
Xylopia staudtii, Engl. & Diels
Xylopia stenopetala, Oliv.
Xylopia strilophylla,  Standl.
Xylopia surinamensis, R.E. Fr.
Xylopia talbotii, Exell
Xylopia tomentosa, Exell
Xylopia toussaintii, Boutique
Xylopia trichostemon, R.E. Fr.
Xylopia venezuelana, R.E. Fr.
Xylopia vielana, Pierre - Giền đỏ, giền (canh ki na), sai, thối ruột, kray lan, krat.
Xylopia villosa, Chipp
Xylopia wilwerthii, De Wild. & T.Durand
Xylopia xylantha, R.E. Fr.