Juncaceae
Poverty rush
Juncus tenuis
- Family
- Juncaceae
- Genus
- Juncus
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Common names
By language (23)
- Arabic
- أسل هش
- arz
- اسل هش
- Belarusian
- Сітнік худы
- Bulgarian
- Тънка дзука
- Chinese
- 坚被灯心草, 阿里山燈心草, 坚被灯芯草, 柔弱芯心草
- csb
- Cenkô sycëna
- Czech
- Sítina tenká
- Dutch
- Tengere rus
- English
- Poverty rush, Slender rush
- Estonian
- Sale luga
- Finnish
- Nurmivihvilä
- French
- Jonc grêle
- German
- Zarte Binse
- hsb
- Něžna syćina
- Japanese
- クサイ
- Latvian
- Maigais donis
- Macedonian
- Тенка ситка
- Norwegian Bokmål
- Ballastsiv
- Polish
- Sit chudy
- Russian
- Ситник тонкий, Ситник тоненький, Ситник тощий
- Slovenian
- Nežno ločje
- Swedish
- Syltåg
- Welsh
- Brwynen fain
Synonyms
- Juncus bicornis Michx.
- Juncus bicornis var. williamsii (Fernald) Vict.
- Juncus chloroticus Schult. & Schult.f.
- Juncus germanorum Steud.
- Juncus gesneri Sm.
- Juncus gracilis Sm.
- Juncus involucratus Kirk
- Juncus lucidus Hochst.
- Juncus macer Gray
- Juncus macer f. williamsii (Fernald) F.J.Herm.
- Juncus macer var. williamsii (Fernald) Fernald
- Juncus smithii Kunth
- Juncus tenuis f. tenuis
- Juncus tenuis f. victorinii Raymond
- Juncus tenuis f. williamsii (Fernald) F.J.Herm.
- Juncus tenuis subsp. bicornis (Michx.) P.Fourn.
- Juncus tenuis var. bicornis (Michx.) E.Mey.
- Juncus tenuis var. germanorum (Steud.) Rouy
- Juncus tenuis var. laxiflorus Fiek
- Juncus tenuis var. multicornis E.Mey.
- Juncus tenuis var. nakaii Satake
- Juncus tenuis var. tenuis
- Juncus tenuis var. williamsii Fernald
- Juncus tristanianus Hemsl.
- Juncus vacillans Steud.
Flowers
- In flower
- May to July (from 100 flowering iNaturalist observations worldwide)
- Flower colour
- green (USDA PLANTS Database)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Hawaii: introduced, Lower 48 states: native, Puerto Rico: native, St. Pierre and Miquelon: native
Photos
FlowerPhoto: Jamie O'Neill, CC BY 4.0, from iNaturalist 
FlowerPhoto: Alice Shanks, CC BY 4.0, from iNaturalist 
FlowerPhoto: Bartosz Czołczyński, CC BY 4.0, from iNaturalist 
Photo: Brandon Corder, CC BY 4.0, from iNaturalist 
Photo: AnRo0002, CC0, from Wikimedia Commons 
Photo: vlkovnl, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: aga_l_, CC BY 4.0, from iNaturalist 
Photo: AnRo0002, CC0, from Wikimedia Commons 
Photo: Uta Groger, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Leila Dasher, CC BY 4.0, from iNaturalist 
Photo: AnRo0002, CC0, from Wikimedia Commons 
Photo: Frédéric Lamblin, CC BY-SA 4.0, from Pl@ntNet via GBIF
More in Juncus
- Common rushJuncus effususJuncaceae
- Toad rushJuncus bufoniusJuncaceae
- Compact rushJuncus conglomeratusJuncaceae
- Jointed rushJuncus articulatusJuncaceae
- Saltmarsh rushJuncus gerardiJuncaceae
- Spiny rushJuncus acutusJuncaceae
- Baltic rushJuncus balticusJuncaceae
- Leafybract dwarf rushJuncus capitatusJuncaceae
- Mosquito rushJuncus squarrosusJuncaceae
- Roundfruit rushJuncus compressusJuncaceae
- European meadow rushJuncus inflexusJuncaceae
- Sea rushJuncus maritimusJuncaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.