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tragacanth

(Encyclopedia)tragacanth trăgˈəkănth [key] or gum tragacanth, gummy exudation from the leguminous shrub Astragalus gummifer and related pulse family plants of SE Europe and W Asia. It is obtained through incisi...

tomahawk

(Encyclopedia)tomahawk [from an Algonquian dialect of Virginia], hatchet generally used by Native North Americans as a hand weapon and as a missile. The earliest tomahawks were made of stone, with one edge or two e...

tree

(Encyclopedia)CE5 Types of trees tree, perennial woody plant with a single main stem (the trunk, or bole) from which branches and twigs extend to form a characteristic crown of foliage. In general, a tree diffe...

poison hemlock

(Encyclopedia)poison hemlock, lethally poisonous herbaceous plant (Conium maculatum) of the family Umbelliferae (parsley family). It has rank, finely divided foliage, flat-topped clusters of small white flowers, an...

Bayeux tapestry

(Encyclopedia)Bayeux tapestry. This so-called tapestry is in fact an embroidery that chronicles the Norman Conquest of England by William the Conqueror (William I) in 1066. It is a long, narrow strip of coarse line...

iris, in botany

(Encyclopedia)CE5 Red iris, Iris fulva iris, common name for members of the genus Iris of the Iridaceae, a family of perennial herbs that includes the crocuses, freesias, and gladioli. The family is characteriz...

lobelia

(Encyclopedia)lobelia lōbēlˈyə [key], any plant of the genus Lobelia, annual and perennial herbs of tropical and temperate woodlands and moist places. Most lobelias have blue or purple flowers on a long (1–4 ...

froghopper

(Encyclopedia)froghopper or spittlebug, small, hopping insect of the order Homoptera. The adult, under 1⁄2 in. (1.2 cm) long in most species, is triangular in shape and usually gray or dull green to brown. Most f...

sago

(Encyclopedia)sago sāˈgō [key] [Malay], edible starch extracted from the pithlike center of several E Asian palms (chiefly Metroxylon sagu) or sometimes of cycads. The starch is an important item in the diet in ...

rattan

(Encyclopedia)rattan rătănˈ [key], name for a number of plants of the genera Calamus, Daemonorops, and Korthalsia climbing palms of tropical Asia, belonging to the family Palmae (palm family). Rattan leaves, unl...