Juncus macrophyllus


University of California Publications in Botany 1: 65. 1902.

Common names: Long-leaf rush
IllustratedEndemicConservation concern
Basionym: Juncus canaliculatus Engelmann Bot. Gaz. 7: 6. 1882,
Synonyms: Juncus longistylis var. scabratus Hermann
Treatment appears in FNA Volume 22.

Herbs, perennial, tufted, 2–10 dm. Rhizomes poorly developed. Culms erect, nearly terete to slightly compressed, never rooting at nodes. Leaves: basal several, cauline 1–3; auricles rounded, 1–3 mm, apex acutish, membranous; blade pale green, basal blade striate, channeled, basal 1/2–1 times length of culm; cauline 8–15 cm × 1–3 mm. Inflorescences glomerules, 8–25, each with 3–5 flowers, open; primary bract much shorter than inflorescence. Flowers: tepals greenish with reddish or brown tinge, lanceolate, 5–6 mm, outer series shorter; stamens 6, filaments 0.5–1 mm, anthers 1.8–2.6 mm; style 0.5–1 mm. Capsules tan, 3-locular, obovoid, 3–4.5 mm, shorter than perianth. Seeds ovoid, 0.6 mm, not tailed.

Phenology: Flowering and fruiting summer.
Habitat: Wet banks and meadows in chaparral and low mountains
Elevation: 700–2600 m


Selected References


Lower Taxa

... more about "Juncus macrophyllus"
Ralph E. Brooks* +  and Steven E. Clemants* +
Coville +
Juncus canaliculatus +
Long-leaf rush +
Ariz. +, Calif. +  and Nev. +
700–2600 m +
Wet banks and meadows in chaparral and low mountains +
Flowering and fruiting summer. +
University of California Publications in Botany +
Illustrated +, Endemic +  and Conservation concern +
Juncus longistylis var. scabratus +
Juncus macrophyllus +
Juncus subg. Graminifolii +
species +