| 释义 |
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{{taxobox
|image = Nemacladus glanduliferus var orientalis 4.jpg
|image_caption = Nemacladus glanduliferus var. orientalis
|regnum = Plantae
|unranked_divisio = Angiosperms
|unranked_classis = Eudicots
|unranked_ordo = Asterids
|ordo = Asterales
|familia = Campanulaceae
|genus = Nemacladus
|genus_authority = Nutt.
|synonyms_ref=[1]
|synonyms=Parishella A.Gray
}}Nemacladus is a genus of flowering plants in the bellflower family known generally as threadplants. There are 18 accepted species native to the southwestern United States and northern Mexico.[1][2][3] These are annual herbs with very slender, sometimes threadlike, branching stems bearing small five-lobed flowers. Species accepted:[1] - Nemacladus australis (Munz) Morin - Baja California
- Nemacladus calcaratus Morin - Chimney Creek threadplant - California (Inyo + Tulare Cos)
- Nemacladus californicus (A.Gray) Morin - California (San Bernardino, Kern, Ventura, Santa Barbara, San Luis Obispo Cos)
- Nemacladus capillaris Greene - much of California, southwestern Oregon
- Nemacladus glanduliferus Jeps. - glandular threadplant - Arizona, southern California, Baja California
- Nemacladus gracilis Eastw. - slender threadplant - California (San Joaquin Valley, Los Angeles Basin)
- Nemacladus interior (Munz) G.T.Robbins - Sierra threadplant - California, Oregon
- Nemacladus longiflorus A.Gray - California, Arizona, Utah, Baja California
- Nemacladus montanus Greene - northern California
- Nemacladus orientalis (McVaugh) Morin - Sonora, Baja California, California, Arizona, Nevada, Utah, southern New Mexico, extreme western Texas
- Nemacladus pinnatifidus Greene - Baja California, southern California
- Nemacladus ramosissimus Nutt. - smallflower threadplant - Baja California, southern California
- Nemacladus rigidus Curran - stoutstem threadplant - California, Nevada, southeastern Oregon, southwestern Idaho
- Nemacladus rubescens Greene - California, Nevada, western Arizona, southwestern Utah
- Nemacladus secundiflorus G.T.Robbins - California
- Nemacladus sigmoideus G.T.Robbins - sigmoid threadplant - California, Nevada, western Arizona
- Nemacladus tenuis (McVaugh) Morin - California, Baja California
- Nemacladus twisselmannii J.T.Howell - California (Kern Co.)
References1. ^1 2 Kew World Checklist of Selected Plant Families
2. ^Lammers, T.G. (2007). World checklist and bibliography of Campanulaceae: 1-675. The Board of Trustees of the Royal Botanic Gardens, Kew.
3. ^Biota of North America Program, 2013 county distribution maps for member of genus Nemacladus
External links - Jepson Manual Genus Treatment
- USDA Plants Profile
{{Taxonbar|from=Q5559494}}{{Asterales-stub}} 3 : Cyphioideae|Campanulaceae genera|Flora of North America |