Helenium


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Helenium

North American genus of plants in the Asteraceae family; contain sesquiterpene lactones which cause a syndrome of abdominal pain, vomiting, diarrhea, incoordination, dyspnea. Includes H. amarum (H. tenuifolium), H. autumnale (sneezeweed, bitter weed), H. flexuosum (H. nudiflorum), H. hoopesii (orange sneezeweed), H. integrifolium, H. microcephalum (small head sneezeweed). H. amarum imparts a bitter taste to the milk of cattle which eat it. Called also Dugaldia spp., sneezeweed.
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We used Inter Simple Sequence Repeats (ISSRs) and sequence data from noncoding regions of chloroplast DNA (cpDNA) to determine genetic diversity and population structure of Helenium virginicum.
especially paniculatum and sessilifolium), Dracopsis amplexicaulis, Gaura longiflora, Helenium flexuosum, Helianthus resinosus, Liatris spp.
Sambucus nigra, Euphrasia officinalis, Inula helenium, Glycyrrhiza glabra and Oleo europa)
No wonder my spirits soar at the sight of the tall, bronze stems of Helenium, stars of purple Aster and golden rays of Heliopsis and Black-eyed Susans (Rudbeckia hirta).
Kirby) Pterourus Western Tiger Asclepias rutulus Swallowtail speciosus, (Lucas) Cirsium canovirens, Dipsacus sylvestrus Pyrgus communis Common Chorispora (Grote) Checkered tenella, Skipper Helenium autumnale, Taraxacum officinale Satyrium behrii Behr's Centaurea (W.
Gallant contributors are Dahlias, Cosmos, Chrysanthemum segetum, Chamomile, Rudbeckia, Helenium, Bidens, Centura, Osteospermum and Coreopsis, and so many more.
Receptaculo de las cabezuelas subgloboso, ovoide a hemisferico; tallos alados debido a las hojas decurrentes Helenium Receptaculo de las cabezuelas, plano, convexo a subconico; tallos sin alas.
Easy-to-grow perennials which don't demand much attention but will flower throughout summer include wild geranium (cranesbill), crocosmia and helenium.
Sneezeweed, Helenium autumnale, is a recorded host (Scott 1985) and was present in the area.
The following is a list of both nectar and host plants: Achillea, allium, antirrhinum, aquilegia, armeria, artemesia, ascelepia, boltonia, buddleia, campanula, caryopteris, centranthus, chelone, coreopsis delphinium, dianthus, digitalis, echinacea, erigerion, erynigium, eupatorium, foeniciculum, gaillardia, gaura, helenium, hemerocallis, hypericum, hyssops, inula, leucanthemum, liatris, lobelia, lychnis, lysimachia, malva, monarda, nepeta, origanum, penstemon, perovskia, phlox, physotegia, rudbekia, rue, salix, salvia, sedum, sempervivum, thalictrum, thymus, valeriana, veronica, veronicastrum, humulus, loncera, campsis, loncera, and viola.
acutus), Sagittaria latifolia, and Helenium autumnale.