Hymenoxys
Hymenoxys (rubberweed or bitterweed) is a genus of plants in the sunflower family, native to North and South America. It was named by Alexandre Henri Gabriel de Cassini in 1828.
| Hymenoxys | |
|---|---|
| Hymenoxys hoopesii | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Asteroideae |
| Tribe: | Helenieae |
| Subtribe: | Tetraneurinae |
| Genus: | Hymenoxys Cass. |
| Type species | |
| Hymenoxys anthemoides (Juss.) Cass. | |
| Synonyms | |
| |
Plants of this genus are toxic to sheep due to the presence of the sesquiterpene lactone hymenoxon.
- Species
- Hymenoxys ambigens - Pinaleno Mountain rubberweed - Arizona New Mexico
- Hymenoxys anthemoides - Rio Grande do Sul, Rio de Janeiro, Paraguay, Uruguay, Argentina
- Hymenoxys biennis - Utah
- Hymenoxys bigelovii - Utah Arizona New Mexico
- Hymenoxys brachyactis - East View rubberweed - New Mexico
- Hymenoxys brandegeei - Arizona New Mexico Colorado
- Hymenoxys cabrerae - Argentina
- Hymenoxys californica - California, Baja California
- Hymenoxys chrysanthemoides - San Luis Potosí, Veracruz, Zacatecas, México State, Puebla, Oaxaca, Hidalgo
- Hymenoxys cooperi - Cooper's rubberweed - California Nevada Arizona Utah Idaho Oregon New Mexico
- Hymenoxys grandiflora - New Mexico Colorado Wyoming Montana Utah Idaho
- Hymenoxys helenioides - intermountain rubberweed - Arizona New Mexico Colorado Utah
- Hymenoxys hoopesii - owl claws - New Mexico Colorado Wyoming Montana Utah Idaho Oregon Nevada California
- Hymenoxys insignis - Nuevo León, Coahuila, Chihuahua
- Hymenoxys jamesii - Arizona
- Hymenoxys lemmonii - Lemmon's rubberweed - Arizona Oregon Nevada California
- Hymenoxys multiflora - Texas New Mexico
- Hymenoxys mutica - California
- Hymenoxys odorata - bitter rubberweed - California Arizona New Mexico Texas Oklahoma Colorado Kansas Maine South Carolina Alabama, Baja California, Baja California Sur, Sonora, Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Tamaulipas
- Hymenoxys quinquesquamata - rincon rubberweed - Arizona New Mexico
- Hymenoxys richardsonii - pingue rubberweed, Colorado rubberweed - Alberta, Saskatchewan, Montana Idaho Wyoming Utah Colorado New Mexico Arizona Texas Nebraska North Dakota Nevada
- Hymenoxys robusta - Bolivia, Argentina, Peru
- Hymenoxys rusbyi - Arizona New Mexico
- Hymenoxys subintegra - Arizona rubberweed - Arizona Utah
- Hymenoxys texana - prairie dawn - Texas
- Hymenoxys tweediei - Argentina
- Hymenoxys vaseyi - Texas New Mexico
- formerly included
- Hymenoxys acaulis is now called Tetraneuris acaulis
- Hymenoxys argentea now Tetraneuris argentea
- Hymenoxys depressa now Tetraneuris torreyana
- Hymenoxys glabra now Tetraneuris scaposa
- Hymenoxys herbacea now Tetraneuris herbacea
- Hymenoxys integrifolia now Helenium integrifolium
- Hymenoxys ivesiana now Tetraneuris ivesiana
- Hymenoxys lapidicola now Tetraneuris torreyana
- Hymenoxys linearifolia now Tetraneuris linearifolia
- Hymenoxys scaposa now Tetraneuris scaposa
- Hymenoxys torreyana now Tetraneuris torreyana
- Hymenoxys turneri now Tetraneuris turneri
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