hawkweed


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hawkweed,

any species of the genus Hieracium of the family Asteraceae (asteraster
[Gr.,=star], common name for the Asteraceae (Compositae), the aster family, in North America, name for plants of the genus Aster, sometimes called wild asters, and for a related plant more correctly called China aster (Callistephus chinensis
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 family), widely distributed perennials, chiefly of open fields. The small, dandelionlike flower heads are borne in clusters at the top of a long, hairy stem; the basal leaves are also hairy. Some species of the W United States are used for forage; in the East, hawkweeds are generally considered pests. In the fall the orange hawkweed, or devil's-paintbrush, the rattlesnake weed, and the king devil often turn whole fields a ruddy orange or yellow. Other species are red or white; a few are cultivated in rocky soil where other plants cannot grow. In folklore, hawks sharpened their eyesight by eating hawkweed sap. Hawkweed is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Asterales, family Asteraceae.
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References in periodicals archive ?
Ideally The Hawkweed Prophecy should be read to fully appreciate all the character development, intricacies and sub plots of The Hawkweed Legacy.
Carruth sees the hawkweed, the mink, the snake, the dead young woodcock evenly, holding the subject through its physical mutations: the barely and fully sentient, the harsh and the gentle, the quick and the dead, the hardy and the futile.
Mouse-ear hawkweed has been widely used since the Middle Ages (Chevallier, 2000).
ANNUAL PERENNIAL GRASSES GRASSES Annual bluegrass Bentgrass Barnyardgrass Bermudagrass Hairy crabgrass Dallisgrass Smooth crabgrass Tall fescue Green foxtail Johnsongrass Yellow foxtail Kikuyugrass Goosegrass Knotgrass Fall panicum Nimblewill Rescuegrass Purple nutsedge * Sandbur Yellow nutsedge * Six-weeks fescue Quackgrass Smutgrass Torpedograss Velvetgrass BROADLEAF WEEDS Creeping beggarweed Wild garlic Pigweed Field bindweed Hawkweed Pineappleweed Bittercress Healall Broadleaf plantain Burdock Henbit Buckhorn plantain Creeping buttercup Ground ivy Common purslane Carpetweed Knapweed Shepherdspurse Wild carrot Knotweed Red sorrel Common chickweed Lambsquarters Speedwells (spp.
tenuifiolia 2.5 -- 2.5 (lance-leaved goldenrod) * Festuca ovina (sheep fescue) -- -- -- Festuca subverticillata -- -- -- (nodding fescue) * Fragaria vesca (woodland strawberry) * -- -- -- Galium asprellum (rough bedstraw) * -- -- -- Galium circaezans (wild licorice) * -- -- -- Gaultheria procumbens (wintergreen) * -- -- -- Geranium maculatum (wild geranium) * -- 2.5 -- Geum canadense (white avens) * 2.5 2.5 -- Glechoma hederacea (ground ivy) -- -- -- Hackelia virginiana (Virginia -- -- -- stickseed) * Helianttemum canadense (rockrose) * (PT) -- -- -- Helianthus divaricatus (woodland 2.5 -- -- sunflower) * Heliopsis helianthoides (smooth -- -- -- ox-eye) * Hibiscus trionum (flower-of-an-hour) -- -- 2.5 Hieracium caespitosum (meadow hawkweed) -- -- -- Hypericum perforatum (common St.
Another team reported the reemergence of sex in a plant--a hawkweed (Hieracium pilosella).
Narrow-leaved hawkweed (Hieracium umbellatum), common dandelion (Taraxacum officinale), pearly everlasting (Anaphalis margaritacea), yarrow (Achillea millefolium), and oxeye daisy (Leucanthemum vulgare) were classified under the sunflower family.
who will forever confuse / steeplebush and meadowsweet/ but know at leas by the shape of the flower / that it has to be one or the other." In the book's final poem, "The Names of things," the speaker takes pleasure, during a morning walk, in identifying lupines and daisies, hawkweed and columbines, feldspar and vetch, but then begins to remember (as he walks home) the associations these names carry.
But native plant species are threatened by invasives such as hawkweed and spotted knapweed--an invader that could "raise havoc" in the park's sandy areas, according to Julie Van Stappen, a natural resources expert at Apostle Islands National Lakeshore.
The effect of phenological stage on detectability of yellow hawkweed (Heiracium pratense) and oxeye daisy (Chrysanthemum leucanthemum) with remote multispectral digital imagery.
The Snowdonia Hawkweed. Thought to have died out 50 years ago thanks to hungry sheep, this was found again in 2002.
Frequently occurring weedy forbs included yarrow (Achillea milleflorum L.), hawkweed (Hieracium canadense L.), and buttercup (Ranunculus acris L.).