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adj. Botany
Arranged in two vertical rows on opposite sides of an axis: distichous leaves.

[From Latin distichus, having two rows, from Greek distikhos; see distich.]

dis′ti·chous·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Botany) (of leaves) arranged in two vertical rows on opposite sides of the stem
ˈdistichously adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈdɪs tɪ kəs)

1. arranged alternately in two vertical rows on opposite sides of a stem, as leaves.
2. Zool. divided into two parts.
[1745–55; < New Latin, Latin distichus < Greek dístichos; see distich]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
The tertiary and quaternary trophotagma enrichment axes end in a pure distichous pistillate spike (Fig.
Description: Perennial herbs with distichous leaves, plant form clump, height less than 2 m (about 176 cm tall), has green stilt root, 7-8 plants per clump, 8-9 pairs of leaves per plant.
Leaves alternate, spiral or distichous; petiolate or subsessile, presence of pulvinus; extrafloral nectaries absent or present, convex, sessile or stipitate, located between the pairs of leaflets or on the petiole; leaflets 1-many pairs, papyraceous to coriaceous, elliptic to oblong, lanceolate to obovate, apex acuminate, rounded to mucronate, base oblique.
In the laboratory, from each quadrate, leaves were removed from 15 shoots in distichous order of insertion and separated into the various categories defined by Giraud [18].
The oldest groups of this subtribe with a distichous phyllotaxy (e.g.
The leaves typically are distichous and may be 3-25 cm long and 2-8 mm wide with a basally pilose adaxial surface and a glabrous to pubescent abaxial surface (Freckmann & Lelong 2003).
The leaves may be small to medium sized, simple, alternate, spiral or distichous, broadly elliptic and pubescent.
The leaves are produced in a distichous phyllotaxis, but when the meristem is transformed to a reproductive meristem, its first lateral structures (branches) are produced in a spiral; this shift has been investigated extensively in maize.