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Related to polystichous: Polystichum


adj. Botany
Arranged in two or more series or rows.

[Greek polustikhos, of many lines : polu-, poly- + stikhos, row; see stich.]


(Botany) (of plant parts) arranged in a number of rows


(pəˈlɪs tɪ kəs)

arranged in rows or series.
[1885–90; < Greek polýstichos having many lines or verses; see poly-, -stichous]
References in periodicals archive ?
The fused, single duct that joins the ducts of the paired ventrolateral foregut glands in Dondersia is found in other Solenogastres genera with monostichous and polystichous radulae (Nierstrasz, 1905; Scheltema et al.
1 mm width, deciduous; terciary branches numerous; flowers numerous per branch, polystichous, rotate to slightly campanulate, ca.
Aiphanes lindeniana is a solitary palm with polystichous leaves that have 18-31 narrowly cuneate pinnae per side, these with the margins usually spineless; A.
1 cm in diameter, scape bracts polystichous, imbricate, rose-coloured, the lower foliaceous, the blades similar to the leaves, the upper bladeless or with much reduced blades, linear-subulate, the sheaths ovate, to 5 cm long and 3 cm wide, concealing the scape; spike erect, narrowly elliptic to oblong, 18-25 cm long, 3.
Floral scales polystichous, divergent, falling before the achenes, 1.
5-5 cm long, basal bracts of the scape polystichous, narrowly triangular, acute and acuminate, 4.
Within the Tillandsioideae subfamily, they have been distinguished by a suite of characters including a usually polystichous arrangement of flowers, and joined (fused or conglutinated) petals which are white, cream, green, and yellow to orange (never blue