Persicaria careyi

(Olney) Greene

Leafl. Bot. Observ. Crit. 1: 24. 1904.

Common names: Carey’s smartweed renouée de Carey
IllustratedEndemic
Basionym: Polygonum careyi Olney Proc. Providence Franklin Soc. 1: 29. 1847
Treatment appears in FNA Volume 5. Treatment on page 592. Mentioned on page 582.

Plants annual, 3–15 (–20) dm; roots also rarely arising from proximal nodes; rhizomes and stolons absent. Stems erect, branched distally, ribbed distally, hirsute proximally, stipitate-glandular distally, usually smooth proximally. Leaves: ocrea brownish to reddish-brown, cylindric, 8–20 mm, chartaceous, base inflated or not, margins truncate, ciliate with bristles 2–7 mm, surface strigose to hirsute, not glandular-punctate, rarely stipitate-glandular; petiole (0.1–) 0.5–1.5 cm, hirsute, leaves sometimes sessile; blade without dark triangular or lunate blotch adaxially, narrowly lanceolate, 6–18 × 1–3.5 cm, base tapering, margins antrorsely strigose, apex acuminate to attenuate, faces sparingly hirsute abaxially and adaxially, veins often hirsute, sometimes stipitate-glandular. Inflorescences terminal and axillary, nodding or drooping, usually interrupted, 10–100 × 5–10 mm; peduncle 20–50 mm, stipitate-glandular; ocreolae overlapping or not overlapping proximally, margins eciliate or ciliate with bristles to 1.3 mm. Pedicels ascending to spreading, 1–4 mm. Flowers (1–) 2–8 per ocreate fascicle, homostylous; perianth roseate or purple, glabrous, not glandular-punctate, scarcely accrescent; tepals 5, connate in proximal 1/3, obovate, 2.4–3.2 mm, veins prominent or not, not anchor-shaped, margins entire, apex obtuse to rounded; stamens 5 (or 8), included; anthers pink, elliptic; styles 2, connate to middle. Achenes included, dark-brown to black, biconvex, 1.8–2.5 × 1.5–2 mm, shiny, smooth.


Phenology: Flowering Jul–Oct.
Habitat: Low thickets, swamps, bogs, moist shorelines, clearings, recent burns, cultivated ground
Elevation: 0-300 m

Distribution

V5 1205-distribution-map.gif

N.B., Ont., Que., Conn., Del., Fla., Ill., Ind., Ky., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., Ohio, Pa., R.I., Vt., Va., Wis.

Discussion

An infusion made from entire plants of Persicaria careyi was used by the Potawatomi as a cold remedy and febrifuge (D. E. Moerman 1998).

Selected References

None.

Lower Taxa

None.

"/2" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

... more about "Persicaria careyi"
dark-brown;black +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
biconvex +
1.5mm;2mm +
elliptic +  and ovate +
obtuse;rounded +
not +  and swollen +
Harold R. Hinds† +  and Craig C. Freeman +
(Olney) Greene +
tapering +, not +  and inflated +
Polygonum careyi +
6 cm60 mm <br />0.06 m <br /> (18 cm180 mm <br />0.18 m <br />) +
lanceolate +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
lunate +, triangular +  and dark +
foliaceous +  and perfoliate +
scale-like +
0 cm0 mm <br />0 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
just below the soil surface or and above the soil surface +  and spreading +
Carey’s smartweed +  and renouée de Carey +
N.B. +, Ont. +, Que. +, Conn. +, Del. +, Fla. +, Ill. +, Ind. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, Ohio +, Pa. +, R.I. +, Vt. +, Va. +  and Wis. +
0-300 m +
adnate +, connate +  and distinct +
disarticulating +  and solid +
decumbent to erect +  and prostrate +
unwinged +  and winged +
black +, red +, brown +  and yellowish +
exserted +  and included +
pubescent +  and glabrous +
spheroidal +, 4-gonous +, lenticular +, biconvex +, discoid +, 3-gonous +  and 2-gonous +
Low thickets, swamps, bogs, moist shorelines, clearings, recent burns, cultivated ground +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
drooping +  and nodding +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
nonmembranous +
deciduous +
entire +  and truncate +
ciliate +, eciliate +  and strigose +
swollen +
brownish +  and reddish-brown +
disintegrating +
deciduous +  and persistent +
scabrous +  and variously pubescent +
cylindric +
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
coriaceous +
anatropous +, , +  and orthotropous +
ascending;spreading +
accrescent +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
spreading;erect +
stipitate-glandular +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
purple;roseate +
not glandular-punctate +
campanulate +
accrescent +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
not auriculate +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Flowering Jul–Oct. +
(2-)3(-4)-carpellate +
Leafl. Bot. Observ. Crit. +
slender;stout +
Illustrated +  and Endemic +
scandent +  and prostrate +
stipitate-glandular +  and hirsute +
penicillate +, fimbriate +  and capitate +
deciduous +  and persistent +
2-lobed +  and cylindric +
coriaceous +  and membranous +
deciduous +
not glandular-punctate +
spreading;erect +
stipitate-glandular +, strigose +  and hirsute +
Persicaria careyi +
Persicaria sect. Persicaria +
species +
1/4 +  and 2/3 +
obovate +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
coriaceous +
persistent +
membranous +
pubescent +  and glabrous +
not +  and prominent +
stipitate-glandular +  and hirsute +
not anchor--shaped +
stoloniferous +, rhizomatous +, fibrous-rooted +  and taprooted +
12 +, 11 +  and 10 +