Herbaceous plant

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Trientalis latifolia (Broadleaf Starflower) is a perennial herbaceous plant of the ground layer of forests in western North America.

Herbaceous plants in botany, frequently shortened to herbs, are vascular plants that have no persistent woody stems above ground.[1] Herb has other meanings in cooking, medicine, and other fields.[2] Herbaceous plants are those plants that do not have woody stems,[3] they include many perennials, and nearly all annuals and biennials,[4] they include both forbs and graminoids.

Herbaceous plants most often are low growing plants, different from woody plants like trees, and tend to have soft green stems that lack lignification and their above-ground growth is ephemeral and often seasonal in duration.[5]

Types of herbaceous plants

Herbaceous plants are non-woody vascular plants, which in plant sciences are called herbs, they include grasses and grass-like plants grouped together as graminoids, forbs, and ferns.[6] Forbs are generally defined as herbaceous broad leafed plants,[7] while graminoids are plants with grass-like appearance including the true grasses, sedges, and rushes.[8][9] By contrast, non-herbaceous vascular plants are woody plants which have stems above ground that remain alive, even during any dormant season, and grow shoots the next year from the above-ground parts – these include trees, shrubs, vines and woody bamboos. Banana plants are also regarded as a herbaceous plant because the stem does not contain true woody tissue.[10]

Herbaceous plants include plants that have an annual, biennial, or perennial life cycle. Annual herbaceous plants die completely at the end of the growing season or when they have flowered and fruited, and then new plants grow from seed.[11] Herbaceous perennial and biennial plants may have stems that die at the end of the growing season, but parts of the plant survive under or close to the ground from season to season (for biennials, until the next growing season, when they flower and die). New growth develops from living tissues remaining on or under the ground, including roots, a caudex (a thickened portion of the stem at ground level) or various types of underground stems, such as bulbs, corms, stolons, rhizomes and tubers. Examples of herbaceous biennials include carrot, parsnip and common ragwort; herbaceous perennials include potato, peony, hosta, mint, most ferns and most grasses.

Habit and habitat

Some relatively fast-growing herbaceous plants (especially annuals) are pioneers, or early-successional species. Others form the main vegetation of many stable habitats, occurring for example in the ground layer of forests, or in naturally open habitats such as meadow, salt marsh or desert. Some habitats, like grasslands and prairies and savannas,[12] are dominated by herbaceous plants along with aquatic environments like ponds, streams and lakes.

Some herbaceous plants can grow rather large, such as the genus Musa, to which the banana belongs.[13]

The age of some herbaceous perennial plants can be determined by herbchronology, the analysis of annual growth rings in the secondary root xylem.

Herbaceous plants do not produce perennializing above ground structures using lignin, which is a complex phenolic polymer deposited in the secondary cell wall of all vascular plants. The development of lignin during vascular plant evolution provided mechanical strength, rigidity, and hydrophobicity to secondary cell walls, allowing plants to grow tall and transport water and nutrients over longer distances within the plant body. Since most woody plants are perennials with a longer life cycle because it takes more time and more resources (nutrients and water) to produce persistently living lignified woody stems, they are not as able to colonize open and dry ground as rapidly as herbs.

The surface of herbs is a catalyst for dew[14][15], which in arid climates and seasons is the main type of precipitation and is necessary for the survival of vegetation[16][17], i.e. in arid areas, herbaceous plants are a generator of precipitation and the basis of an ecosystem. Most of the water vapor that turns into dew comes from the air, not the soil[18][19]. The taller the herb, the more dew it produces[20][21], so a short cut of the herbs necessitates watering. For example if you frequently and shortly cut the grass without watering in an arid zone, then desertification occurs, as shown here.


  1. ^ Flora of the British Isles, Clapham, Tutin, and Warburg, 2nd edition
  2. ^ Ernest Small; National Research Council Canada (2006). Culinary Herbs. NRC Research Press. pp. 1–. ISBN 978-0-660-19073-0.
  3. ^ Richard N. Arteca (14 February 2014). Introduction to Horticultural Science. Cengage Learning. pp. 584–. ISBN 978-1-111-31279-4.
  4. ^ Solomon, E.P.; Berg, L.R.; Martin, D.W. (2004). Biology. Brooks/Cole Thomson Learning. ISBN 978-0-534-49547-3.
  5. ^ Andrew J. Lack; David E. Evans (2005). Plant Biology. Garland Science. pp. 199–. ISBN 978-0-415-35643-5.
  6. ^ Kailash Chandra Bebarta (2011). Dictionary of Forestry and Wildlife Sciences. Concept Publishing Company. pp. 224–. ISBN 978-81-8069-719-7.
  7. ^ Wilson G. Pond (16 November 2004). Encyclopedia of Animal Science (Print). CRC Press. pp. 425–. ISBN 978-0-8247-5496-9.
  8. ^ Iain J. Gordon; Herbert H.T. Prins (14 September 2007). The Ecology of Browsing and Grazing. Springer Science & Business Media. pp. 220–. ISBN 978-3-540-72422-3.
  9. ^ Brian R. Chapman; Eric G. Bolen (31 August 2015). Ecology of North America. John Wiley & Sons. pp. 98–. ISBN 978-1-118-97154-3.
  10. ^ https://en.oxforddictionaries.com/explore/is-a-banana-a-fruit-or-a-herb/
  11. ^ Levine, Carol. 1995. A guide to wildflowers in winter: herbaceous plants of northeastern North America. New Haven: Yale University Press. page 1.
  12. ^ Patrick L. Osborne (31 August 2000). Tropical Ecosystems and Ecological Concepts. Cambridge University Press. pp. 50–. ISBN 978-0-521-64523-2.
  13. ^ Picq, Claudine & INIBAP, eds. (2000). Bananas (PDF) (English ed.). Montpellier: International Network for the Improvement of Banana and Plantains/International Plant Genetic Resources Institute. ISBN 978-2-910810-37-5. Archived from the original (PDF) on April 11, 2013. Retrieved January 31, 2013.
  14. ^ Erell, Evyatar (2005). "Predicting air temperatures in city streets on the basis of measured reference data" (PDF). University of Adelaide, South Australia.
  15. ^ Xu, Yingying (2017). "A Novel method for monitoring urban dew condensation and its application". Tehnički Vjesnik.
  16. ^ Wang, Chengdong (2017). "Formation and influencing factors of dew in sparse elm woods and grassland in a semi-arid area". Acta Ecologica Sinica.
  17. ^ Uclés, O (2013). "Role of dewfall in the water balance of a semiarid coastal steppe ecosystem". Hydrological Processes. 28 (4): 2271–2280. doi:10.1002/hyp.9780.
  18. ^ Shiklomanov (2004). "Experimental research on the role of dew in arid ecosystem of Gobi desert, inner Mongolia". Research Basins and Hydrological Planning. ISBN 9781439833858.
  19. ^ Wen, XueFa (2011). "Dew water isotopic ratios and their relationships to ecosystem water pools and fluxes in a cropland and a grassland in China". Ecosystem Ecology. 168 (2): 549–561. doi:10.1007/s00442-011-2091-0. PMID 21822725. S2CID 11954532.
  20. ^ Sudmeyer, R.A. (1994). "Measured dewfall and potential condensation on grazed pasture in the Collie River basin, southwestern Australia". Journal of Hydrology. 154 (1–4): 255–269. doi:10.1016/0022-1694(94)90220-8.
  21. ^ Xiao, H. (2009). "Effect of vegetation type and growth stage on dewfall, determined with high precision weighing lysimeters at a site in northern Germany". Journal of Hydrology. 377 (1–2): 43–49. doi:10.1016/j.jhydrol.2009.08.006.