helianthemum


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Related to helianthemum: Helianthemum canadense
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frostweed

frostweed

Whole plant is useable. Thin alternate leaves, yellow 5 petal flower. Kidneys, arthritis, sore throat, rheumatism, lymph, tuberculosis, eyewash.
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Breeding system, flower visitors and seedling survival of two endangered species of Helianthemum (Cistaceae).
boudieri Chatin in semi controlled conditions (green house) and in situ, by inoculating of Helianthemum sessiliflorum Desf.
a2 a2 a2 a2 Helianthemum cinereum subsp a2 a2 a2 a2 a rotundi-folium (Dunal) Greuter & Burdet Thymus sylvestris Hoffmanns.
2]) 100 25 100 20 Caracteristicas de asociacion y unidades superiores Lithodora nitida 2 2 + 2 Convolvulus boissieri 1 1 1 2 Thymus orospedanus 1 + 1 * Echinospartum boissieri 1 1 + * Globulana spinosa + * + + Alyssum serpyllifolitcm 1 * * + Erinacea antbyllis 1 * * * Teucrium bicoloreum * + + * Pterocephalus spathulatus * 1 + * Fumana paradoxa * + 2 * Fumana ericoides * 1 + * Helianthemum frigidulum * * 2 1 Hippocrepis eriocarpa * * + + Scabiosa turolensis 1 y Viola cazorlensis + en 3; Sideritis incana subap.
Cover of Helichrysum, Scariola, Centaurea and Helianthemum are highiest in habitat 1 and cover of Astragalus, Stipa, Ebenus, Graminae, Achillea and Bromus are high in habitat 5, 4, 3 and 2.
The only sign of their presence is a small mound of earth and the close association of plants such as Helianthemum lippii (or regroog), from which the truffle takes its nutrients.
Asclepias tuberosa, Helianthemum occidentalis, Lupinus perennis and Rudbeckia hirta were on the Wisconsin list of frequently selected nectar species (Bleser, 1994).
These obligate postfire seeders, along with the subshrub Helianthemum scoparium, had more deeply buried seeds, and some of them were able to survive where soil heating was prolonged.
The dominant species of seedlings present in the burned area were the shrubs Arctostaphylos purissima and Ceanothus impressus, the subshrubs Helianthemum scoparium and Eriophyllum confertiflorum, and the perennial herbs Dichelostemma pulchella and Blumeria crocea.