Juncus textilis |
Juncus debilis |
|
---|---|---|
basket rush, mat or basket rush |
weak rush |
|
Habit | Herbs, perennial, 10–20 dm. | Herbs, perennial, cespitose, 1–2.5 dm. |
Rhizomes | long- creeping. |
|
Culms | erect, 2–5 mm diam. |
erect, terete, 1–2 mm diam., smooth. |
Cataphylls | several. |
0–1, maroon or dark green, apex acute. |
Leaves | blade absent. |
basal 0–1, cauline 1–3; auricles 1–1.5 mm, apex rounded, scarious; blade maroon or dark green, terete, 1–12.5 cm × 0.5–1.5 mm. |
Inflorescences | lateral, many flowered, loose; primary bract barely exceeding to many times longer than inflorescence. |
terminal panicles of 3–50 heads, 2–8 cm, branches ascending to spreading; primary bract erect; heads 2–10-flowered, obpyramidal, 2–5 mm diam. |
Flowers | variously pedicellate; bracteoles membranous; tepals greenish to pale brown, lanceolate, 3.5–5 mm; inner series loosely subtending capsule at maturity, usually slightly shorter, margins scarious to clear, acutish; stamens 6, filaments 0.3–0.9 mm, anthers 1–2.5 mm; style 1–1.5 mm. |
tepals green to straw-colored, lanceolate, 1.8–2.3(–2.5) mm, apex sharply acuminate; stamens 3, 1/2 filament length. |
Capsules | dark brown, 3-locular, oblate to narrowly ovoid, 3–4 mm, nearly equal to perianth. |
exserted, straw-colored, 1-locular, narrowly ellipsoid to lanceoloid, 2.8–3.7 7(–4.2) mm, apex acute, valves separating at dehiscence. |
Seeds | dark amber, oblate to ellipsoid, 0.5–0.8 mm. |
ellipsoid, 0.3–0.4 mm, not tailed; body clear yellow-brown. |
Juncus textilis |
Juncus debilis |
|
Phenology | Flowering and fruiting summer. | Fruiting summer. |
Habitat | Moist or wet exposed areas | Marshy shores, in small streams, swamps, wet clearings, spring runs, commonly in very soft mucky substrates |
Elevation | 100–1800 m (300–5900 ft) | 0–700 m (0–2300 ft) |
Distribution |
CA
|
AL; AR; DE; FL; GA; IL; KY; LA; MD; MO; MS; NC; NJ; NY; PA; SC; TN; TX; VA; Mexicos (Chiapas); Central America (Honduras)
|
Discussion | Juncus debilis A. Gray is a name being proposed for conservation. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 22. | FNA vol. 22. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | J. lesueurii var. elatus | J. acuminatus var. debilis, J. radicans |
Name authority | Buchenau: Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen 17: 336. (1903) | A. Gray: Manual 481506. (1848) |
Web links |