Dictionary

All Word
hypanthium Noun the cuplike or ringlike or tubular structure of a flower which bears the sepals and stamens and calyx (as in Rosaceae)
honey gland Noun a gland (often a protuberance or depression) that secretes nectar
haustorium Noun a root-like attachment in parasitic plants that penetrates and obtains food from the host
hollygrape Noun ornamental evergreen shrub of Pacific coast of North America having dark green pinnate leaves and racemes of yellow flowers followed by blue-black berries
holly-leaves barberry Noun ornamental evergreen shrub of Pacific coast of North America having dark green pinnate leaves and racemes of yellow flowers followed by blue-black berries
hard rush Noun tall rush of temperate regions
hellebore Noun any plant of the Eurasian genus Helleborus
hellebore Noun perennial herbs of the lily family having thick toxic rhizomes
honeysuckle Noun columbine of eastern North America having long-spurred red flowers
honeysuckle Noun shrubby tree with silky foliage and spikes of cylindrical yellow nectarous flowers
honeysuckle Noun shrub or vine of the genus Lonicera
helmetflower Noun a poisonous herb native to northern Europe having hooded blue-purple flowers
helmetflower Noun any of several orchids of the genus Coryanthes having racemes of a few musky-scented waxy flowers with a helmet-shaped lip process
helmetflower Noun a herbaceous plant of the genus Scutellaria which has a calyx that, when inverted, resembles a helmet with its visor raised
helmet flower Noun a poisonous herb native to northern Europe having hooded blue-purple flowers
herb Christopher Noun a plant of the genus Actaea having acrid poisonous berries
hop clover Noun clover native to Ireland with yellowish flowers
hop clover Noun prostrate European herb with small yellow flowers and curved black pods
humble plant Noun prostrate or semi-erect subshrub of tropical America, and Australia
hedge thorn Noun South African shrub having forked spines and plumlike fruit
huisache Noun tropical American thorny shrub or small tree
huamachil Noun common thorny tropical American tree having terminal racemes of yellow flowers followed by sickle-shaped or circinate edible pods and yielding good timber and a yellow dye and mucilaginous gum
honey mesquite Noun thorny deep-rooted drought-resistant shrub native to southwestern United States and Mexico bearing pods rich in sugar and important as livestock feed
hairy darling pea Noun shrubby perennial of southern Australia having downy or woolly stems and undersides of leaves and racemes of red to pink flowers
hedge pink Noun plant of European origin having pink or white flowers and leaves yielding a detergent when bruised
heartleaf Noun evergreen low-growing perennial having mottled green and silvery-grey heart-shaped pungent leaves
heartleaf Noun wild ginger having persistent heart-shaped pungent leaves
heart-leaf Noun evergreen low-growing perennial having mottled green and silvery-grey heart-shaped pungent leaves
heart-leaf Noun wild ginger having persistent heart-shaped pungent leaves
halogeton Noun a coarse annual herb introduced into North America from Siberia
hedgehog cactus Noun cactus of the genus Echinocactus having stout sharp spines
hedgehog cereus Noun cactus of the genus Echinocereus
head cabbage plant Noun any of various cultivated cabbage plants having a short thick stalk and large compact head of edible usually green leaves
hedge garlic Noun European herb that smells like garlic
horse radish Noun coarse Eurasian plant cultivated for its thick white pungent root
horseradish root Noun the root of the horseradish plant
hoary alison Noun tall European annual with downy grey-green foliage and dense heads of small white flowers followed by hairy pods
hoary alyssum Noun tall European annual with downy grey-green foliage and dense heads of small white flowers followed by hairy pods
heliophila Noun any of various South African herbs and subshrubs cultivated for long showy racemes of bright blue flowers with white eyes
hedge mustard Noun stiffly branching Old World annual with pale yellow flowers
horn poppy Noun yellow-flowered Eurasian glaucous herb naturalized in along sandy shores in eastern North America
horned poppy Noun yellow-flowered Eurasian glaucous herb naturalized in along sandy shores in eastern North America
heartleaf arnica Noun wildflower with heart-shaped leaves and broad yellow flower heads
heath aster Noun common North American perennial with heathlike foliage and small white flower heads
heath aster Noun common much-branched North American perennial with heathlike foliage and small starry white flowers
heart-leaved aster Noun perennial wood aster of eastern North America
hawk's-beard Noun any of various plants of the genus Crepis having loose heads of yellow flowers on top of a long branched leafy stem
hawk's-beards Noun any of various plants of the genus Crepis having loose heads of yellow flowers on top of a long branched leafy stem
hemp agrimony Noun coarse European herb with palmately divided leaves and clusters of small reddish-purple flower heads
herba impia Noun (literally an undutiful herb) a variety of cotton rose