Eriocaulon cinereum

R. Brown

Prodr. 254. 1810.

Introduced
Synonyms: Eriocaulon sieboldianum Siebold & Zuccarini ex Steudel
Treatment appears in FNA Volume 22.

Herbs, annual or short-lived perennial, 15–30 cm. Leaves linear-attenuate, to 10 cm, apex subulate-filiform. Inflorescences: scape sheaths shorter than principal leaves, loose; scapes filiform, 0.5 mm wide, 6–8-ribbed; mature head silvery-gray, ovoid to nearly globose, 4–5 mm wide, soft; receptacle sparsely pilose, hairs translucent; involucral-bracts spreading-ascending, not obscured by bracteoles and flowers of mature heads, pale, ovate to oblong, oblanceolate or broadly obovate, grading narrower inward, 2 mm, margins often lacerate or erose, apex acute, glabrous; receptacular-bracts pale except for gray midzone, linear-oblong, 2 mm, margins erose or entire, apex acute, glabrous. Staminate flowers: sepals 3, dark, either deeply and narrowly lobed or broadly spatulate, 3-dentate, 1.5 mm, distally with scattered white, linear, short hairs; androphore flaring; petals 3, oblong, apex with white, tapering hairs; stamens 6; anthers yellow. Pistillate flowers: sepals 3, 2 linear-elliptic, 1 broadly elliptic-oblanceolate, concave, 1.5 mm, apex acute, sometimes with few translucent hairs; gynophore 1 mm with 3 spreading, peglike, minute appendages; pistil 3-carpellate. Seeds pale-brown, ovoid or broadly ellipsoid, 4.5 mm, finely reticulate, alveolae horizontally rectangular.


Phenology: Flowering summer–fall.
Habitat: Muck of rice fields
Elevation: 0–200 m

Distribution

V22 350-distribution-map.jpg

Introduced; Calif., La., Europe (Italy), S.E, e Asia, Australia

Discussion

Selected References

None.

Lower Taxa

None.

"narrower" is not a number.

... more about "Eriocaulon cinereum"
rectangular +
longitudinal +
versatile +  and dorsifixed +
cleft +, fringed +  and bladelike +
Robert Kral +
R. Brown +
branching +, monopodial +  and sympodial +
lacunate +
stipelike +
greener +  and pale +
lingulate;triangular-acuminate;linear-attenuate +
narrowing +
Calif. +, La. +, Europe (Italy) +, S.E +, e Asia +  and Australia +
0–200 m +
mealy-starchy +
epipetalous +
pistillate +  and staminate +
unappendaged +
pale +  and dark +
subapical +  and adaxial +
1 cm10 mm <br />0.01 m <br /> (?) +
Muck of rice fields +
multicellular +
tapering +
silvery-gray +
ovoid;nearly globose +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
involucrate +  and simple +
axillary +  and terminal +
short-cylindric +  and buttonlike +
spreading-ascending +
2 cm20 mm <br />0.02 m <br /> (?) +
septate +  and unbranched +
linear-attenuate +
0 cm0 mm <br />0 m <br /> (10 cm100 mm <br />0.1 m <br />) +
lacerate +
orthotropous +  and pendulous +
adaxial-apical +
separating +  and separated +
Flowering summer–fall. +
2 cm20 mm <br />0.02 m <br /> (?) +
thinner +  and narrower +
spongy-septate +
spongy +  and fibrous +
multiribbed +, twisted +  and simple +
1;several +
filiform +
sculptured +
ellipsoid +  and ovoid +
1 +, 2 +  and 3 +
concave;elliptic-oblanceolate;spatulate;lobed +
1.5 cm15 mm <br />0.015 m <br /> (?) +
Introduced +
dilated +
unequal +
prostrate +  and repent +
elongate +
short-to-elongate +
unappendaged +
Eriocaulon sieboldianum +
Eriocaulon cinereum +
Eriocaulon +
species +
scapose +  and caulescent +
perennial +, short-lived +  and annual +
pubescent +  and glabrous +