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privet

(Encyclopedia)privet prĭvˈĭt [key], any plant of the genus Ligustrum, Old World shrubs or small trees of the family Oleaceae (olive family), some of which are common as hedge plants. Privet hedges are popular fo...

henbane

(Encyclopedia)henbane or black henbane, herb (Hyoscyamus niger) native to the Mediterranean region and naturalized in parts of North America. It belongs to the family Solanaceae (nightshade family) and contains a n...

hepatica

(Encyclopedia)hepatica hĭpătˈĭkə [key] or liverleaf, any plant of the genus Hepatica of the family Ranunculaceae (buttercup family), low, woodland, spring wildflowers of the north temperate zone, popular for w...

hop

(Encyclopedia)hop, herbaceous perennial vine of the family Moraceae (mulberry family), widely cultivated since early times for brewing purposes. The commercial hop (Humulus lupulus) is native to Eurasia but is now ...

Indian pipe

(Encyclopedia)Indian pipe, common name for the genus Monotropa and for the family Monotropaceae, low flowering plants of north temperate zones. They are chlorophylless saprophytes with a funguslike appearance. Each...

angiosperm

(Encyclopedia)CE5 Life cycle of an angiosperm angiosperm ănˈjēəspûrmˌ [key], term denoting seed plants in which the ovules, or young seeds, are enclosed within the ovary (that part of the pistil specializ...

hawkweed

(Encyclopedia)hawkweed, any species of the genus Hieracium of the family Asteraceae (aster family), widely distributed perennials, chiefly of open fields. The small, dandelionlike flower heads are borne in clusters...

hazel

(Encyclopedia)hazel, any plant of the genus Corylus of the family Betulaceae (birch family), shrubs or small trees with foliage similar to the related alders. They are often cultivated for ornament and for the edib...

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...