Hymenoxys


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Hymenoxys

a plant genus of the Asteraceae (Compositae) family; contain toxic sesquiterpene lactone; poisoning causes a syndrome called 'spewing sickness' consisting of gastroenteritis manifested by lethargy, salivation, vomiting, abdominal pain and diarrhea plus nervous signs of tremor, incoordination and convulsions in pastured animals which eat the plant. Includes H. lemmoni, H. odorata, H. richardsonii (H. floribunda). Called also Actinea spp., bitterweed, Colorado rubber weed, pingue.
References in periodicals archive ?
Small populations are mate-poor but pollinator-rich in a rare, self-incompatible plant, Hymenoxys herbacea (Asteraceae).
Hymenoxys acaulis, Juniperus osteosperma, Chaetopappa ericoides, and Pinus edulis were positively correlated to axis two (r = 0.
80, correspondientes a cada uno): Achillea (1), Amblyopappus (1), Arctotheca (2), Artemisia (1), Aster (5), Baccharis (2), Borrichia (2), Commidendrum (2), Cotula (1), Coulterella (1), Dicerothamnus (1), Dittrichia (1), Elytropappus (1), Eriocephalus (1), Felicia (1), Flaveria (6), Grindelia (3), Hirpicium (1), Hymenoxys (2), Hypochaeris (1), Inula (2), Iva (6), Jaumea (1), Lasthenia (1), Launaea (1), Leontodon (1), Limbarda (1), Melanthera (2), Minuria (1), Nardophyllum (1), Olearia (1), Osteospermum (5), Otanthus (1), Pectis (1), Pentzia (2), Picrosia (1), Pluchea (7), Pseudoclappia (1), Psila (1), Senecio (3), Solidago (1), Sonchus (1), Symphyotrichum (2) y Tuberostylis (1).
Ageratina calaminthifolia, Brickellia veronicifolia, Hymenoxys scaposa, Gymnosperma glutinosum y Aztecaster matudae.
Lespedeza leptostachya or prairies bush clover, Dalea foliosa or leafy prairie clover, and Hymenoxys acaulis var.
Flores liguladas de 4-7 mm de largo; involucro de 8-12 mm de ancho Bahia Flores liguladas de 8-35 mm de largo; involucro de 15-40 mm de ancho Hymenoxys
Table 3-5 Plants affecting the nervous system of livestock Common name Botanical name Agent Bitterweed Hymenoxys spp.
2:30 EFFECTIVE POPULATION SIZE IN THE CLONAL, SELF-INCOMPATIBLE PLANT, HYMENOXYS HERBACEA.
Submersion of Plummeria and Dugaldia in Hymenoxys (Asteraceae: Heliantheae: Gaillardiinae).
Filarios externos del involucro mas cortos que los internos Hymenoxys 5.