(Huds.) Gaudin, Juncaceae
Present on Pacific Islands? no
Primarily a threat at high elevations? no
Risk assessment results: High risk, score: 7 (Go to the risk assessment)
Other Latin names: Juncus sylvaticus Huds.
Common name(s): [more details]
English: great wood-rush
Genus: "Perennial herbs, rarely annual. Leaves mostly basal, with closed sheath, without auricles, flat or canaliculate, usually with long, white cilia. Flowers in cymes, sometimes condensed into heads. Capsule 3-seeded; seeds usually with a basal appendage.
Species: "Plant (30-) 40-80 (-100) cm, robust, laxly caespitose, with numerous short, ascending stolons. Basal leaves 5-20 (-30) mm wide, spreading, sparsely to densely ciliate. Flowers in groups of 2-5. Bracteoles conspicuously lacerate to cilate. Perianth-segments 2-4 (-4.5) mm, brown; inner longer than outer, with wide hyaline margin. Anthers up to 6 times as long as filaments. Style longer than ovary. Capsule about equaling the perianth-segments, ovoid. Seeds slightly shiny; basal appendage small" (Tutin et al., 1980; vol. 5, pp. 111, 114).
Habitat/ecology: "Damp woods, moorland and rocky places; usually calcifuge" (Tutin et al., 1980; vol. 5, p. 114).
Native range: Europe and eastern Asia (GRIN).