Juncus brachyphyllus

Wiegand

Bulletin of the Torrey Botanical Club 27: 519. 1900.

Endemic
Synonyms: Juncus kansanus F. J. Hermann
Treatment appears in FNA Volume 22.

Herbs, perennial, cespitose, to 8 dm. Rhizomes densely branching. Cataphylls 1–2. Leaves basal, 2–5; auricles 0.4–1.1(–2) mm, scarious; blade flat, 9–25 cm × 0.8–1.5(–2.4) mm, margins entire wide, becoming involute under xeric conditions. Inflorescences 10–150-flowered, usually congested, 1.5–8 cm; primary bract usually longer than inflorescence. Flowers: bracteoles 2; tepals green to tannish, lanceolate, 3.5–5.7 mm; outer and inner series nearly equal, in fruit apex appressed to capsule; stamens 6, filaments 0.6–1.1 mm, anthers 0.56–0.91 mm; style 0.2 mm. Capsules dark tan to reddish brown, 3-locular, ellipsoid to narrowly so, 2.6–4.7 × 1.3–2 mm, barely shorter than tepals. Seeds tan, ellipsoid to lunate, (0.32–)0.45–0.52(–0.65) mm, not tailed. 2n = ca. 80.


Phenology: Flowering and fruiting late spring–early summer.
Habitat: Exposed moist or wet soils associated with depressions in temporal wetlands, along stream banks or lake shores especially in sandy soils
Elevation: 900–1650 m

Distribution

V22 417-distribution-map.jpg

Ark., Calif., Idaho, Kans., La., Mo., Mont., Nebr., Okla., Oreg., Tex.as, Wash.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Juncus brachyphyllus"
Ralph E. Brooks* +  and Steven E. Clemants* +
Wiegand +
Ark. +, Calif. +, Idaho +, Kans. +, La. +, Mo. +, Mont. +, Nebr. +, Okla. +, Oreg. +, Tex.as +  and Wash. +
900–1650 m +
Exposed moist or wet soils associated with depressions in temporal wetlands, along stream banks or lake shores especially in sandy soils +
Flowering and fruiting late spring–early summer. +
Bulletin of the Torrey Botanical Club +
Juncus kansanus +
Juncus brachyphyllus +
Juncus subg. Poiophylli +
species +