Persicaria robustior |
|
---|---|
r enouée robuste, stout dotted smartweed, stout smartweed |
|
Habit | Plants perennial, 3–20 dm; roots also sometimes arising from proximal nodes; rhizomes present, stolons sometimes present. |
Stems | ascending, usually branched proximally, scarcely ribbed, glabrous, glandular-punctate; branches sometimes creeping and rooting at nodes. |
Leaves | ocrea light brown, cylindric, 10–15 mm, chartaceous, base inflated, margins truncate, ciliate with bristles 3–12 mm, surface strigose, glandular-punctate; petiole 0.2–2 cm, glandular-punctate; blade without dark triangular or lunate blotch adaxially, lanceolate to elliptic-lanceolate, 4–20 × 2–4.5 cm, base tapered, margins antrorsely strigose, apex acute to acuminate, faces glabrous or main veins scabrous, glandular-punctate. |
Inflorescences | terminal and axillary, erect, uninterrupted, 20–80 × 5–10 mm; peduncle 5–40 mm, glandular-punctate; ocreolae usually overlapping, margins eciliate or proximal ones sometimes ciliate with bristles to 1 mm. |
Pedicels | ascending to spreading, 2–5 mm. |
Flowers | 2–4 per ocreate fascicle, homostylous; perianth greenish proximally, white distally, glandular-punctate with punctae ± uniformly distributed, slightly accrescent; tepals 5, connate ca.1/3 their length, obovate, 3.2–4.2 mm, veins prominent or not, not anchor-shaped, margins entire, apex obtuse to rounded; stamens 6–8, included; anthers pink or red, elliptic; styles 3, connate proximally. |
Achenes | included or apex exserted, dark brown to brownish black, 3-gonous, 2.7–3.6 × 2–2.5 mm, shiny, smooth. |
Persicaria robustior |
|
Phenology | Flowering Jul–Oct. |
Habitat | Peaty shores, often in water on coastal plain or near coast |
Elevation | 0-1500 m (0-4900 ft) |
Distribution |
CT; DE; FL; IN; KY; MA; MD; ME; MI; MO; NH; NJ; NY; OH; PA; RI; TX; VA; NS; ON; QC; Central America; South America; West Indies
|
Discussion | Persicaria robustior often is synonymized with P. punctata. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 5, p. 584. |
Parent taxa | Polygonaceae > subfam. Polygonoideae > Persicaria > sect. Persicaria |
Sibling taxa | |
Synonyms | Polygonum punctatum var. robustius, P. punctata var. robustior, Polygonum punctatum var. majus, Polygonum robustius |
Name authority | (Small) E. P. Bicknell: Bull. Torrey Bot. Club 36: 455. (1909) |
Web links |