Ixiolirion Ixora J Jaborosa Jacaranda Jacquemontia Jamesia Jasione Jasminum (jasmine, jessamine) Jatropha Jeffersonia Jovellana Jovibarba Juanulloa Jubaea (Chilean wine palm) Juglans (walnut) Juncus (rush) Juniperus (juniper) Justicia K Kadsura Kaempferia Kalanchoe Kalimeris Kalmia (mountain laurel) Kalmiopsis Kalopanax Kelseya Kerria Kigelia (sausage tree) Kirengeshoma Kitaibela Kleinia Knautia Knightia Kniphofia Koeleria (junegrass) Koelreuteria (golden rain tree) Kohleria Kolkwitzia (beautybush) Kosteletzkya Kunzea L Lablab Laburnocytisus Laburnum (laburnum) Laccospadix Lachenalia (Cape cowslip) Laelia (an orchid genus) × Laeliocattleya (hybrid orchid genus) Lagarosiphon Lagenophora Lagerstroemia Lagunaria Lagurus Lamarckia Lambertia Lamium (deadnettle) Lampranthus Lantana (shrub verbena) Lapageria Lardizabala Larix (larch) Larrea (creosote bush) Latania (Latan palm) Lathraea Lathyrus Laurelia Laurus Lavandula (lavender) Lavatera (mallow) Lawsonia Layia Ledebouria Ledodendron (hybrid genus) Ledum Leea Legousia Leiophyllum Leipoldtia Leitneria Lemboglossum Lenophyllum Leonotis Leontice Leontopodium (edelweiss) Lepidozamia Leptinella Lechenaultia Lespedeza (bush clover) Leucadendron Leucanthemella Leucanthemopsis Leucanthemum Leuchtenbergia Leucocoryne Leucogenes Leucojum (snowflake) Leucophyllum Leucophyta Leucopogon Leucoraoulia (hybrid genus) Leucospermum (pincushion) Leucothoe Lewisia Leycesteria Leymus Liatris Libertia Libocedrus Ligularia Ligustrum (privet) Lilium (lily) Limnanthes Limnocharis Limonium (sea lavender) Linanthus Linaria (toadflax) Lindelofia Lindera Lindheimera (star daisy) Linnaea (twinflower) Linospadix Linum (flax) Liquidambar (sweetgum) Liriodendron (tulip tree) Liriope (lilyturf) Lithocarpus Lithodora Lithophragma Lithops Littonia Livistona Loasa Lobelia Lobularia (sweet alyssum) Lodoicea (coco de mer) Loiseleuria Lomandra (mat rush) Lomatia Lomatium Lomatophyllum Lonicera (honeysuckle) Lopezia Lophomyrtus Lophospermum Lophostemon Loropetalum Lotus Luculia Ludwigia Luma Lunaria Lupinus (lupin) Luzula (woodrush) Lycaste (an orchid genus) Lychnis (campion) Lycium Lycopodium (club moss) Lycoris Lygodium (climbing fern) Lyonia Lyonothamnus Lysichiton (yellow skunk cabbage) Lysiloma Lysimachia Lythrum (loosestrife) M Maackia Macfadyena Machaeranthera Mackaya Macleania Macleaya Maclura Macropidia Macrozamia Magnolia Mahonia Maianthemum (May lily) Maihuenia Malcolmia Malephora Malope Malpighia Malus (apple, crabapple) Malva (mallow) Malvastrum Malvaviscus Mammillaria Mandevilla Mandragora (mandrake) Manettia Manglietia Maranta Margyricarpus Marrubium (horehound) Marsilea (pepperwort) Masdevallia (an orchid genus) Matteuccia Matthiola (stock) Maurandella Maurandya Maxillaria (an orchid genus) Maytenus Mazus Meconopsis Medicago (alfalfa) Medinilla Meehania Megacodon Megaskepasma Melaleuca (paperbark) Melasphaerula Melastoma Melia Melianthus Melica (melic) Melicytus Melinis Meliosma Melissa (balm) Melittis (bastard balm) Melocactus Menispermum (moonseed) Mentha (mint) Mentzelia (starflower) Menyanthes Menziesia Merendera Merremia Mertensia Mespilus Metasequoia (dawn redwood) Metrosideros Meum Mexicoa Michauxia Michelia Microbiota Microcachrys Microlepia Micromeria Mikania Milium Milla Millettia Miltonia (an orchid genus) Miltoniopsis (pansy orchid) Mimetes Mimosa (mimosa, or sensitive plant) Mimulus (monkey flower) Mirabilis Miscanthus Mitchella (partridge berry) Mitella Mitraria Molinia Moltkia Moluccella Monadenium Monanthes Monarda (bee balm) Monardella Monstera Moraea Morina Morisia Morus (mulberry) Mucuna Muehlenbeckia Mukdenia Musa (banana, plantain) Muscari (grape