Juncaceae
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Sue Carnahan
  • FNA
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Ralph E. Brooks;Steven E. Clemants;  in Flora of North America (vol. 22)
Herbs, perennial, occasionally annual, usually rhizomatous, orsometimes cespitose. Culms round or flat. Leaves mostly basal; sheath margins fused or overlapping, often with 2 earlike extensions (auricles) at blade junction; blade flat or round, glabrous or margins hairy. Inflorescences of headlike clusters or single flowers variously arranged; bracts subtending inflorescence 1 or more2, mostly leaflike; bracts subtending inflorescence branches 1--2, reduced; bracteoles subtending solitary flower 0--2, translucent, reduced. Flowers usually bisexual, radially symmetric; sepals and petals similar, persistent, green to brown or purplish black; stamens usually 3 or 6; anthers persistent, linear; pistils 1; ovaries superior, locules 1 or 3, placentas 1 and basal or 3 and axile or parietal; stigmas generally longer than styles. Fruits capsules, loculicidal. Seeds 3--many, often with white appendages on 1 or both ends.
Species within checklist: Arizona
Juncus acuminatus
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Juncus articulatus
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Juncus brevicaudatus
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Juncus bryoides
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Juncus bufonius
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Juncus confusus
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Juncus cooperi
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Juncus dichotomus
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Juncus drummondii
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Juncus dudleyi
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Juncus exiguus
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Juncus interior
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Juncus laccatus
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Juncus longistylis
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Juncus macrophyllus
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Juncus marginatus
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Juncus mertensianus
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Juncus mexicanus
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Juncus nevadensis
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Juncus nodosus
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Juncus saximontanus
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Juncus tenuis
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Juncus torreyi
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Juncus xiphioides
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Luzula comosa
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Luzula multiflora
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Luzula parviflora
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Luzula spicata
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