arrowhead

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arrowhead,

any plant of the genus Sagittaria, widely distributed marsh or aquatic herbs of the primitive family Alismataceae (water-plantain family). The name derives from the arrowhead-shaped leaves of many species. Native North Americans prepared a potatolike food by roasting or broiling the tubers, particularly of S. latifolia; another species has long been cultivated in China for its starchy root. Arrowheads, which have white, buttercuplike flowers, are often grown in aquariums, ponds, and bog gardens. Arrowheads are classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Liliopsida, order Alismatales, family Alismataceae.
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arrowhead

[′a·rō‚hed]
(archeology)
The pointed or barbed tip (made of stone, bone, metal, or other material) of an arrow, often present at various sites of prehistoric peoples. Also known as arrowpoint.
(botany)
Any aquatic plant of the genus Sagitarria (water plantain family) that has arrowhead-shaped leaves and white flowers.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

arrowhead

any aquatic herbaceous plant of the genus Sagittaria, esp S. sagittifolia, having arrow-shaped aerial leaves and linear submerged leaves: family Alismataceae
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
The end of the 'needle' had what looked just like a tiny arrow-head. The bus arrived at this point and on the journey home, Angela's mother dabbed the bleeding wound left by the arrow with a tissue.
The arrow-head of the PDP members and a former party secretary in Ijero Local Government Area, Olurotimi Akande, made the accusation in a statement made available to Nigerian Tribune, alleging that he and some other 50 party members were been sidelined by the PDP State Working Committee, contrary to an order of national chairman, Prince Uche Secondus, and Governor Seriake Dickson of Bayelsa State.
Each screen has an upper panel "louvered for ventilation" and topped with arrow-headed decoration.
This marks the first time this large collection of tools, arrow-heads and spear tips will be on display.
Points found on the islands - which could even be arrow-heads - are thin, serrated, and have barbed points that show striking workmanship for the period.
These evil little arrow-headed seeds then burrow into the body and can cause severe damage.
argued that Islamic extremists in North Africa are the next Taliban aided by Al-Qaeda who are now viewed as arrow-heads of radical Muslims in the Arab world.
Their "game" sent a lethal arrow-headed pellet ripping through a kitten's body.
The arrow-headed spike tore through his thigh as he scrambled over the railings at Heckley Park, off Coventry Road.
The arrow-headed pellets penetrate much further than the traditional blunt- nosed slugs and can cause horrific injuries to small animals.