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sclerotium

American  
[skli-roh-shee-uhm] / sklɪˈroʊ ʃi əm /

noun

Mycology.
  • sclerotia
    plural
  1. a vegetative, resting food-storage body in certain higher fungi, composed of a compact mass of hardened mycelia.


sclerotium British  
/ sklɪəˈrəʊʃɪəm /

noun

  1. a compact mass of hyphae, that is formed by certain fungi and gives rise to new fungal growth or spore-producing structures

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns


Etymology

Origin of sclerotium

From New Latin, dating back to 1810–20; see origin at sclerotin, -ium


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Ergot is the name given to the spore, the sclerotium, of the parasitic filamentous fungus Claviceps purpurea, which attacks various cereal grains and wild grasses, especially rye.

From Scientific American ● May 17, 2013

The sclerotium is a black-violet, slightly curved, conical body, a few millimeters to up to six centimeters in length that can develop in place of a pollen grain.

From Scientific American ● May 17, 2013

P. up to 1 cm. convex, papillate, grey, subtomentose; g. adnate; s. 3-5 cm. base dark, springing from a blackish sclerotium; several minute stems with abortive pilei often spring from the stem; sp.

From European Fungus Flora: Agaricaceae by George Massee

The number of the already described utricle-bearers is different, according to the size of the sclerotium; smaller specimens usually produce only one, larger two to four.

From Fungi: Their Nature and Uses by M. C. (Mordecai Cubitt) Cooke

The latter differs in not springing from a sclerotium.

From European Fungus Flora: Agaricaceae by George Massee

Last year’s bumper crop came from the sclerotia of two of them — variant 195 and 234.

From New York Times ● Apr. 26, 2022

The sclerotia remain in the soil for years as the source of future infections.

From Time Magazine Archive

The disease typically infects soybeans during flowering, resulting in stem lesions with extensive growth of white mold and formation of hard, black sclerotia.

From Time Magazine Archive

In fungi, oils are often found in the spores, but sometimes also in sclerotia, mycelia, or filaments.

From The Chemistry of Plant Life by Roscoe Wilfred Thatcher

The plants are usually found growing upon dead tree stumps; some grow upon the ground; a few are parasitic on other fungi or springing from sclerotia, small impacted masses of mycelium.

From Student's Hand-book of Mushrooms of America, Edible and Poisonous by Thomas Taylor

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