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kumquat

(Encyclopedia)kumquat kŭmˈkwŏt [key], ornamental shrub of the genus Fortunella of the family Rutaceae (rue family), closely related to the orange and other citrus fruits. It has evergreen leaves, sweet-scented w...

kohlrabi

(Encyclopedia)kohlrabi kōlˈräˈbē [key] [Ger. partly from Ital.,=turnip cabbage], plant (Brassica caulorapa, sometimes classified as var. caulorapa of the cabbage species) of the family Cruciferae (or Brassicac...

pipsissewa

(Encyclopedia)pipsissewa pĭpsĭsˈəwä [key], any plant of the genus Chimaphila, perennial herbs of dry wooded regions in the Northern Hemisphere. The pipsissewas, closely related to the wintergreens, have thick,...

plane tree

(Encyclopedia)plane tree, sycamore, or buttonwood, any species of the genus Platanus, deciduous trees of most temperate regions of the Northern Hemisphere, exclusive of Africa. The hairy, dry, seedlike fruits are ...

plantain

(Encyclopedia)plantain plănˈtĭn [key], any plant of the genus Plantago, chiefly annual or perennial weeds of wide distribution. Many species are lawn pests and the pollen is often a hay fever irritant. P. psylli...

sweet cicely

(Encyclopedia)sweet cicely sĭsˈəlē [key], name for the European herb Myrrhis odorata and for closely related American and Asian plants of the genus Osmorhiza, all of the family Umbelliferae (parsley family). Bo...

tamarisk

(Encyclopedia)tamarisk tămˈərĭsk [key], shrub or small tree of the genus Tamarix, native chiefly to the Mediterranean area and to central Asia. The plants are often heathlike and thrive in arid and coastal regi...

tansy

(Encyclopedia)tansy tănˈzē [key], perennial herb (Tanacetum vulgare) of the family Asteraceae (aster family), native to Europe but naturalized in North America. It was long cultivated for its ornamental foliage ...

teasel

(Encyclopedia)teasel, common name for some members of the Dipsacaceae, a family of chiefly Old World herbs found mostly in the Mediterranean and Balkan areas but ranging to India and to S Africa. Species of Dipsacu...

winter cress

(Encyclopedia)winter cress or upland cress, species of Barbarea, herbs of the family Cruciferae (or Brassicaceae; mustard family). The pungent leaves of several species have been used for salads or garnishes, and t...