polystichous


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Related to polystichous: Polystichum

po·lys·ti·chous

(pə-lĭs′tĭ-kəs)
adj.
Arranged in two or more rows.
References in periodicals archive ?
The 16 excluded characters were uninformative in the present data set and included such autapomorphies as polystichous and monostichous radulae (Dorymenia and Lyratoherpia, respectively).
Mostly spirostichous was meant when e.g., Smith & Downs wrote "polystichous".
Superficially, it resembles Aechmea penduliflora Andre, widespread in Central and South America, but the more laxly arranged polystichous, pedicellate flowers argue against any relationship.
2 cm in diameter; floral bracts white, linear, acuminate, membranaceous, 4-8 mm x 1 mm, entire; flowers polystichous, ascendent to divaricate, numerous, densely disposed, actinomorphic, pedicellate, the pedicels 2.2-2.7 mm long; sepals rose-colored, triangular to triangular-oblong, 4.6-5.2 x 1.9-2.7 mm, acute, entire; petals rose-colored, extended, widely elliptic to oblong-elliptic, 6.5-8.5 x 4-4.7 mm, entire, rounded; stamens subequal, shorter than the petals, filaments white tinged with rose at the apex, laminar at the base, linear-triangular, 2.8-4 mm long, anthers purple to dark purple, dorsifixed, oblong, 1.5-1.8 mm long; ovary vestigial, purple, ovoid to globose, 3.7-3.9 mm long, 3.2--3.4 mm in diameter.
1.7 cm in diameter; floral bracts white, linear acuminate, membranaceous, 4.5-8 x 1.5 mm, entire; flowers polystichous, ascendent to adpressed, numerous, densely disposed, actinomorphic, pedicellate, the pedicels 4.5 mm long; sepals rose-colored, linear-triangular, acuminate, 4-4.2 x 1 mm, entire; petals rose- to dark-rose-colored, triangular to ovate-triangular, 7-7.5 x 3-3.5 mm, entire, acute; ovary purple, ovoid to long-ovoid, 5-5.1 mm long, ca.
polystichous arranged flowers) and concealed by comparatively large thin-textured primary bracts (vs.
albo-lutea always maintains a completely polystichous inflorescence (where in P.