Columbia Encyclopedia

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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...

nicotiana

(Encyclopedia)nicotiana nĭkōˌshēāˈnə [key], any plant of the genus Nicotiana of the family Solanaceae (nightshade family). Most species are herbs native to tropical America, although there are a few North Am...

Onychophora

(Encyclopedia)Onychophora ŏnˌəkŏfˈərə [key], small phylum with about 70 species of animals that are often called “missing links” between annelids (phylum Annelida) and arthropods (phylum Arthropoda). The...

wisteria

(Encyclopedia)wisteria –târˈ– [key], any plant of the genus Wisteria, woody twining vines of the family Leguminosae (pulse family), cultivated and highly esteemed for the beautiful pendent clusters of pealike...

carpet beetle

(Encyclopedia)carpet beetle, name for several beetles that are highly destructive to carpets and upholstery and are classified in the same family as the larder beetles. Adult beetles of this family are pollen eater...

yellowwood

(Encyclopedia)yellowwood, common name for any species of the genus Cladrastis, leguminous trees of the family Leguminosae (pulse family). Three of the four species are native to China and Japan. The other, C. lutea...

cavy

(Encyclopedia)cavy kāˈvē [key], name for 14 species of South American rodents of the family Caviidae, including the domestic guinea pig. The wild cavies are usually small, rounded, and tailless, with fur of a un...

bent grass

(Encyclopedia)bent grass, any species of the genus Agrostis of the family Poaceae (grass family), chiefly slender, delicate plants native to cool climates. Many are used for forage or lawns. Important species natur...

mosquito

(Encyclopedia)mosquito məskēˈtō [key], small, long-legged insect of the order Diptera, the true flies. The females of most species have piercing and sucking mouth parts and apparently they must feed at least on...

mouse

(Encyclopedia)mouse, name applied to numerous species of small rodents, often having soft gray or brown fur, long hairless tails, and large ears. The chief distinction between these animals and the variety of roden...