Isotype of Juncus capillarisF. J. Hermann [family JUNCACEAE ] (stored under name); Verified by Hermann, F. J., 1942
Related name
Juncus brachystylus
Juncus capillaris
Juncus brachycarpus
Juncus triformis
Common name
Hair-stemmed dwarf rush, Flora of North America Vol. 22
Flora
Entry for Juncus capillaris F. J. Hermann [family JUNCACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 22,
Names
Juncus capillarisF. J. Hermann [family JUNCACEAE], Leaflets of Western Botany, 5: 116. 1948
Treatment Author(s)
Ralph E. Brooks*
Steven E. Clemants*
Information
Herbs, annual, cespitose, 0.09--0.6 dm. Culms to 20. Leaves to 2.2 cm. Inflorescences headlike clusters, each with 1--2 flowers; bracts subtending inflorescence 2--4, ovate, inconspicuous, 0.8--1.5 mm, membranous, apex acute. Flowers: tepals 4--6, chestnut brown to black, 1.8--2.8 x 0.8--1.5 mm; inner series usually slightly longer than outer, apex acuminate to attenuate; stamens 2--3, filaments 0.6--1.1 mm, anthers 0.3--0.4 mm; style 0.1--0.3 mm, stigma 0.4--0.6 mm. Capsules tan or apex reddish, 2--- or 3-locular, globose to obovoid, 1.2--2 x 1.1--1.5 mm, usually shorter than tepals. Seeds ellipsoid-ovoid, 0.5--0.8 mm. n = 18.
Phenology
Flowering spring--mid summer
Altitude range
1200--3200 m
Distribution
USA Calif.USA Oreg.
Discussion
Juncus capillaris occurs in California in the Sierra Nevada and in Oregon in the Steens Mountains.