TABLE 1 in Polygonum terzioglui sp. nov. (Polygonaceae), from Northeast Turkey

TABLE 1. Morphological comparison between Polygonum terzioglui and the similar species.
P. terziogluiP. samsunicumP. salebrosumStemprostrateerect, decumbent-prostrateprocumbentLeavesobovate-broadly ellipticelliptic, oblong-elliptic, lanceolate to linearelliptic to suborbicularLeaves marginundulaterevolute, straight, subundulatestraight–undulateLeaves apexsubacuminateacute or obtuseacuteAbaxial Leaves surface epicuticular waxcrstalysmooth–Perianth coloryoung perianth white or slightly pinkish, mature perianth whiteyoung perianth red or pinkish, mature perianth pinkish or whiteyoung and mature periant whitishPerianth tube spot Bractsabsent bracts not smaller than the stem leavespresent bracts smaller than the stemabsent bracts not smaller than the stem leavesOchrea dividednear the apexnear the basenear the baseOchrea nerve of number21–2710–1812–16Ochrea long4.7–10.2 mm7.1–11.3 mm4.32–8.41 mmOchrea epidermal cell shapehexzagonalrectangular–Ochrea surfacecrystalverrucate–Outline Fruit shapeovate–narrowly ovatebroadly ovoidovateHabitforest meadowopen diverse Quercus, Pinus nigra forest, arable land, pastureland, chalky, roadside, scrubland, rural garden, shrubby, open steppe vegetation, and urban arearocky slopesAltitude25 m600–1200 m2000–2200 mFlowering timeseptember–novemberjune–julyaugust–september