Persicaria careyi |
|
---|---|
Carey's smartweed, renouée de Carey |
|
Habit | 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. |
Persicaria careyi |
|
Phenology | Flowering Jul–Oct. |
Habitat | Low thickets, swamps, bogs, moist shorelines, clearings, recent burns, cultivated ground |
Elevation | 0-300 m (0-1000 ft) |
Distribution |
CT; DE; FL; IL; IN; KY; MA; MD; ME; MI; MN; NH; NJ; NY; OH; PA; RI; VA; VT; WI; NB; ON; QC
|
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). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 5, p. 592. |
Parent taxa | Polygonaceae > subfam. Polygonoideae > Persicaria > sect. Persicaria |
Sibling taxa | |
Synonyms | Polygonum careyi |
Name authority | (Olney) Greene: Leafl. Bot. Observ. Crit. 1: 24. (1904) |
Web links |