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|Family: Polygonaceae||View Description||Dichotomous Key|
|Genus: Persicaria||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Persicaria capitata (D. Don) H. Gross
Habit: [Annual] perennial herb, rhizomes, stolons 0. Stem: prostrate, 5--50 cm, glabrous or glandular-hairy. Leaf: ocrea 5--10 mm, cylindric to funnel-shaped, brown or red-brown, margins oblique, glabrous or ciliate, bristles < 1.5 mm, surface woolly-hairy, also glandular-hairy or not; petiole 2--5 mm, winged distally, with ear-like lobes basally; blade 1.5--4(6) cm, 0.6--2.5(3.3) cm wide, ovate to elliptic, abaxially glandular-hairy, generally dark-blotched adaxially, base +- wedge-shaped, tip acute. Inflorescence: terminal, +- head-like, 5--20 mm, 6--20 mm wide; peduncle 10--40 mm, glabrous or stalked-glandular; bractlets overlapped; pedicels spreading, 0.5--1 mm; flowers 1--5. Flower: 2--3 mm, perianth urn-shaped, not enlarging, pink-red, lobes 5, elliptic, tips acute to obtuse; stamens 8, included, anthers pink to red; styles 3, fused > 1/2. Fruit: included, 1.5--2.2 mm, 1--1.5 mm wide, 3-angled, red- to black-brown, shiny, smooth or minute-dotted. Chromosomes: 2n=22.
Ecology: Disturbed places; cultivated; Elevation: < 500 m. Bioregional Distribution: NCo, CCo, SnFrB, SCo, PR; Distribution Outside California: Oregon, Louisiana, Hawaii; native to Himalayas. Flowering Time: Jun--Sep
Synonyms: Polygonum capitatum D. Don
eFlora Treatment Author: Mihai Costea
Jepson Online Interchange
Previous taxon: Persicaria amphibia
Next taxon: Persicaria hydropiper
Citation for this treatment: Mihai Costea 2017. Persicaria capitata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=37281, accessed on April 28, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 28, 2017.