Herbs, annual, cespitose, 0.3–1 dm. Culms to 20. Leaves basal; auricles absent; blade 0.5–2.5 cm × 0.5 mm. Inflorescences: glomerules 1–2, each with 2–10 (–14) flowers; bracts subtending inflorescence 1 (–2), foliose, clearly surpassing inflorescence. Flowers: tepals 6, tan to brownish, subulate, lanceolate-ovate, 3.5–4.5 (–5) mm, 2 times length of inner tepals, margins scarious; inner series delicate, shorter, apex acute; stamens 3, filaments 1 mm, anthers 0.5 mm; style 0.4–0.7 mm. Capsules tan to reddish-brown, 3-locular, globose to obovoid, 1.2–1.7 mm, shorter than tepals. Seeds ellipsoid-ovoid, 0.3–0.4 mm. 2n = 18.
Phenology: Flowering and fruiting spring.
Habitat: Moist to wet areas, usually in sandy, often disturbed soil such as roadsides or along trails
Elevation: below 1000 m
Distribution
Introduced; Calif., La., Okla., Tex., native, Africa (north), Europe, Asia (Near East)
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Juncus capitatus"
persistent +
0.5 cm5 mm <br />0.005 m <br /> (?) +
acute +
white +
absent +
not septate +
glabrous +
channeled;terete;flat +
0.5 cm5 mm <br />0.005 m <br /> (?) +
foliose +
leaflike +
absent +
monochasial +
septicidal +
globose;obovoid +
earlike +
1 cm10 mm <br />0.01 m <br /> (?) +
symmetric +
2;10 +
bisexual +
headlike +
loculicidal +
Moist to wet areas, usually in sandy, often disturbed soil such as roadsides or along trails +
2;many +
Present +
sympodial +
reduced +
delicate +
true +
basal +
hairy +
involute +
scarious +
superior +
green;brown or purplish black +
persistent +
basal +
Observ. Bot. +
1772 +
many +
ellipsoid-ovoid +
green;brown or purplish black +
persistent +
open +
overlapping +
fused +
terete +
generally longer +
translucent +
reduced +
Juncus capitatus +
Juncus subg. Graminifolii +
species +
2 times length of inner tepals +
single +
sympodial +
sympodial +
rhizomatous +
perennial +
rhizomatous +
annual +