umbonate

American  

[uhm-buh-nit, -neyt] / ˈʌm bə nɪt, -ˌneɪt /

adjective

1. having an umbo or projecting boss.

2. shaped like an umbo; having a rounded convex form.

   an umbonate fungus.

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Other Word Forms

• subumbonate adjective

Etymology

Origin of umbonate

1820–30; < Latin umbōn- (stem of umbō; see umbo) + -ate ¹

Example Sentences

P. 2-3 cm. soon plane, umbonate, silky, ruddy, becoming pale; g. crowded, rosy then brown; s. 3-4 cm. thickened downwards, white, ring persistent; sp.

From European Fungus Flora: Agaricaceae by Massee, George

The pileus is rather small, flesh-color or red, or reddish; thin, fleshy only at the disk; at first convex and often umbonate, then plane, depressed; cuticle thin, becoming pale, viscid in wet weather, margin tuberculate-striate.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha

Pileus thin, convex or nearly plain, sometimes almost umbonate, rough, with numerous granular scales, often radiately wrinkled, rusty-yellow or reddish-yellow, often growing paler with age.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha

L. Americana has a reddish or reddish-brown cap, umbonate, with close adpressed scales and white flesh.

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

The pileus is convex, obtuse or umbonate, even, radiately rugose-wrinkled, generally even and regular on the margin, reddish-yellow or light bay.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha