Polygonum

**Piper-belarra** (*Polygonum*) Polygonaceae familiako generoaren espezien izen arrunta da, eskualde epeletan bizi dena.

## Espezieak 
Generoak 65 eta 300 arteko espezie ditu, zenbait botanikok *Fagopyrum*, *Fallopia* eta *Persicaria* generoak sortu dituztelako.

Hona hemen espezie hautatuak:
* *Polygonum achoreum*
* *Polygonum acetosum*
* *Polygonum acuminata*
* *Polygonum acuminatum*
* *Polygonum albanicum*
* *Polygonum alpestre*
* *Polygonum arenarium*
* *Polygonum arenastrum*
* *Polygonum argyrocoleon*
* *Polygonum arifolium*
* *Polygonum aviculare* – odolur
* *Polygonum bellardii*
* *Polygonum bidwelliae*
* *Polygonum bistortoides*
* *Polygonum bolanderi*
* *Polygonum boreale*
* *Polygonum brasiliensis*
* *Polygonum bungeanum*
* *Polygonum buxiforme*
* *Polygonum caespitosum*
* *Polygonum californicum*
* *Polygonum careyi*
* *Polygonum cascadense*
* *Polygonum caurianum*
* *Polygonum chinense*
* *Polygonum coccineum*
* *Polygonum cognatum*
* *Polygonum davisiae*
* *Polygonum densiflorum*
* *Polygonum dibotrys*
* *Polygonum douglasii*
* *Polygonum erectum*
* *Polygonum flaccidum*
* *Polygonum foliosum*
* *Polygonum forrestii*
* *Polygonum fowleri*
* *Polygonum franktonii*
* *Polygonum glaucum*
* *Polygonum griffithii*
* *Polygonum herniarioides*
* *Polygonum heterosepalum*
* *Polygonum hickmanii*
* *Polygonum hirsutum*
* *Polygonum hongkongensis*
* *Polygonum hudsonianum*
* *Polygonum hydropiperoides*
* *Polygonum lacerum*
* *Polygonum lanigerum*
* *Polygonum marinense*
* *Polygonum maritimum* – itsas piper edo itsasoko piper-belar
* *Polygonum meisneranum*
* *Polygonum meisnerianum*
* *Polygonum minimum*
* *Polygonum multiflorum*
* *Polygonum newberryi*
* *Polygonum oxyspermum*
* *Polygonum paronychia*
* *Polygonum paronychioides*
* *Polygonum parryi*
* *Polygonum patulum*
* *Polygonum perfoliatum* – Persicaria perfoliata
* *Polygonum phytolaccifolium*
* *Polygonum plebeium*
* *Polygonum polycnemoides*
* *Polygonum polycnenoides*
* *Polygonum polygaloides*
* *Polygonum polystachyum*
* *Polygonum punctatum*
* *Polygonum raii* = *Polygonum oxyspermum*
* *Polygonum ramosissimum*
* *Polygonum robustius*
* *Polygonum rurivagum*
* *Polygonum salicifolium*
* *Polygonum scoparium*
* *Polygonum segetum*
* *Polygonum setaceum*
* *Polygonum shastense*
* *Polygonum striatulum*
* *Polygonum tenue*

### *Fagopyrum* birsailkatuak 
* *Polygonum fagopyrum* (*Fagopyrum esculentum*)

### *Fallopia* birsailkatuak 
* *Polygonum aubertii* = *Fallopia aubertii*
* *Polygonum baldschuanicum* (*Fallopia baldschuanica*) (*Fallopia aubertii*, *Bilderdykia aubertii*, *Bilderdykia balschuanicum*)
* *Polygonum cilinode* (*Fallopia cilinodis*, *Bilderdykia cilinodis*)
* *Polygonum convolvulus* (*Fallopia convolvulus*) – piper-belar igokari
* *Polygonum cuspidatum* = *Polygonum japonicum*
* *Polygonum dumetorum* (*Fallopia dumetorum*)
* *Polygonum japonicum* (*Fallopia japonica*, *Reynoutria japonica*)
* *Polygonum multiflorum* (*Fallopia multiflora*)
* *Polygonum sachalinense* (*Fallopia sachalinensis*, *Reynoutria sachalinensis*)
* *Polygonum scandens* (*Fallopia scandens*)

### *Persicaria* birsailkatua 
thumb|*Persicaria maculata* (syn. *Polygonum persicara*)

* *Polygonum affine* (*Persicaria affinis*)
* *Polygonum alatum* (*Persicaria alata*)
* *Polygonum alpinum* (*Persicaria alpina*)
* *Polygonum amphibium* (*Persicaria amphibia*)
* *Polygonum amplexicaule* (*Persicaria amplexicaulis*)
* *Polygonum bistorta* (*Persicaria bistorta*)
* *Polygonum campanulatum* (*Persicaria campanulata*) (*Reynoutria campanulatum*)
* *Polygonum capitatum* (*Persicaria capitata*)
* *Polygonum emodi* (*Persicaria emodi*)
* *Polygonum filiforme* (*Persicaria virginiana*)
* *Polygonum hydropiper* – ur-piper (*Persicaria hydropiper*)
* *Polygonum lapathifolium* (*Persicaria lapathifolia*)
* *Polygonum longisetum* (*Persicaria longiseta*)
* *Polygonum macrophyllum* (*Persicaria macrophylla*)
* *Polygonum milletii* (*Persicaria milletii*)
* *Polygonum minus* (*Persicaria minor*)
* *Polygonum mite* (*Persicaria mitis*, *Persicaria laxiflora*)
* *Polygonum molle* (*Persicaria mollis*)
* *Polygonum nepalense* (*Persicaria nepalensis*)
* *Polygonum odoratum* (*Persicaria odorata*)
* *Polygonum orientale* (*Persicaria orientalis*)
* *Polygonum pensylvanicum* (*Persicaria pensylvanica*)
* *Polygonum persicaria* – astapiper (*Persicaria maculosa*)
* *Polygonum polystachyum* = *Polygonum wallichii*
* *Polygonum runciforme* (*Persicaria runcinata*)
* *Polygonum sagittatum* (*Persicaria sagittata*)
* *Polygonum tenuicaule* (*Persicaria tenuicaulis*)
* *Polygonum tinctorium* (*Persicaria tinctoria*)
* *Polygonum vaccinifolium* (*Persicaria vaccinifolia*)
* *Polygonum virginianum* (*Persicaria virginiana*)
* *Polygonum viviparum* (*Persicaria vivipara*)
* *Polygonum wallichii* (*Persicaria wallichii*)
* *Polygonum weyrichii* (*Persicaria weyrichii*)

## Erreferentziak 
## Kanpo estekak