Nemacladus is a genus of flowering plants in the bellflower family known generally as threadplants. Species are native to the southwestern United States and northern Mexico. These are annual herbs with very slender, sometimes threadlike, branching stems bearing small five-lobed flowers.
Taxonomy
The genus was erected by Thomas Nuttall in 1842. It is placed in the small subfamily Nemacladoideae of the family Campanulaceae.
Species
, Plants of the World Online accepted the following species:
- Nemacladus australis <small>(Munz) Morin</small> - Baja California
- Nemacladus bellus <small>Morin & T.J.Ayers</small>
- Nemacladus breviflorus <small>(McVaugh) Morin & T.J.Ayers</small>
- Nemacladus calcaratus <small>Morin</small> - Chimney Creek threadplant - California (Inyo + Tulare Cos)
- Nemacladus californicus <small>(A.Gray) Morin</small> - California (San Bernardino, Kern, Ventura, Santa Barbara, San Luis Obispo Cos)
- Nemacladus capillaris <small>Greene</small> - much of California, southwestern Oregon
- Nemacladus eastwoodiae <small>Morin & T.J.Ayers</small>
- Nemacladus glanduliferus <small>Jeps.</small> - glandular threadplant - Arizona, southern California, Baja California
- Nemacladus gracilis <small>Eastw.</small> - slender threadplant - California (San Joaquin Valley, Los Angeles Basin)
- Nemacladus interior <small>(Munz) G.T.Robbins</small> - Sierra threadplant - California, Oregon
- Nemacladus inyoensis <small>Morin & T.J.Ayers</small>
- Nemacladus longiflorus <small>A.Gray</small> - California, Arizona, Utah, Baja California
- Nemacladus matsonii <small>Morin & T.J.Ayers</small>
- Nemacladus montanus <small>Greene</small> - northern California
- Nemacladus morefieldii <small>Morin & T.J.Ayers</small>
- Nemacladus orientalis <small>(McVaugh) Morin</small> - Sonora, Baja California, California, Arizona, Nevada, Utah, southern New Mexico, extreme western Texas
- Nemacladus parikhiae <small>Morin & T.J.Ayers</small>
- Nemacladus pinnatifidus <small>Greene</small> - Baja California, southern California
- Nemacladus ramosissimus <small>Nutt.</small> - smallflower threadplant - Baja California, southern California
- Nemacladus richardsiae <small>Morin & T.J.Ayers</small>
- Nemacladus rigidus <small>Curran</small> - stoutstem threadplant - California, Nevada, southeastern Oregon, southwestern Idaho
- Nemacladus rubescens <small>Greene</small> - California, Nevada, western Arizona, southwestern Utah
- Nemacladus secundiflorus <small>G.T.Robbins</small> - California
- Nemacladus sigmoideus <small>G.T.Robbins</small> - sigmoid threadplant - California, Nevada, western Arizona
- Nemacladus tenuis <small>(McVaugh)</small> <small>Morin</small> - California, Baja California
- Nemacladus twisselmannii <small>J.T.Howell</small> - California (Kern Co.)
References
External links