hastate

[has-teyt]

adjective

Botany.

1. (of a leaf ) triangular or shaped like an arrow, with two spreading lobes at the base.

hastate

/ ˈhæsteɪt /

adjective

1. (of a leaf) having a pointed tip and two outward-pointing lobes at the base

Other Word Forms

• hastately adverb

Word History and Origins

Origin of hastate¹

1780–90; < Latin hastātus armed with a spear, equivalent to hast ( a ) spear + -ātus -ate ¹

Word History and Origins

Origin of hastate¹

C18: from Latin hastātus with a spear, from hasta spear

Example Sentences

Sagittaria.—Graceful water or marsh plants with hastate leaves, and tuberous, running and fibrous roots.

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The hastate leaves are shapely, and the whole plant is charming when grown away from dust.

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Principal leaves with a broad truncate, rounded, or hastate base — 6.

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The leaves are doubly hastate or halberd shaped, and somewhat wrinkled: the lower ones measure from twelve to fourteen inches in length, and from six to eight in breadth.

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Leaves: Alternate, variable, sometimes very large, broad, hastate, ovate, or heart-shaped, wavy-toothed, lobed, or palmately cleft; upper leaves smaller, lance-shaped, entire.

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Related Words

• trilateral