vascular plant - green plant having a vascular system: ferns, gymnosperms, angiospermsvascular system - the vessels and tissue that carry or circulate fluids such as blood or lymph or sap through the body of an animal or plant herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests halophyte - plant growing naturally in very salty soil succulent - a plant adapted to arid conditions and characterized by fleshy water-storing tissues that act as water reservoirs cultivar - a variety of a plant developed from a natural species and maintained under cultivation weed - any plant that crowds out cultivated plants duct - a continuous tube formed by a row of elongated cells lacking intervening end walls vascular tissue - tissue that conducts water and nutrients through the plant body in higher plants deciduous plant - a plant having foliage that is shed annually at the end of the growing season vine - weak-stemmed plant that derives support from climbing, twining, or creeping along a surface creeper - any plant (as ivy or periwinkle) that grows by creeping geophyte - a perennial plant that propagates by underground bulbs or tubers or corms mesophyte, mesophytic plant - land plant growing in surroundings having an average supply of water; compare xerophyte and hydrophyte psilophyte - any plant of the order Psilophytales: a savannah plant psilophyton - any plant or fossil of the genus Psilophyton |