meristelen.
/ˈmɛrᵻstiːl/, /ˌmɛrᵻˈstiːliː/, U.S. /ˈmɛrəˌstil/, /ˌmɛrəˈstili/ Botany.
In certain vascular plants, esp. ferns: any of the vascular bundles comprising a dictyostele.
ΘΚΠ
the world > plants > part of plant > cell or aggregate tissue > [noun] > tissue > stele
meristele1894
stele1895
protostele1901
eustele1902
monostele1902
siphonostele1902
polystele1904
1894 S. H. Vines Students' Text-bk. Bot. I. 153 When the stem is monostelic, each leaf receives a portion, termed a meristele, of the stele of the stem.
1911 Encycl. Brit. XXI. 736/2 It is better to call..a segment of a broken-up stele a meristele, the whole solenostele with overlapping leaf-gaps being called a dictyostele.
1956 Nature 4 Feb. 218/1 There is a reduction in the number of meristeles in the axis and in the leaves [of Dryopteris aristata under conditions of starvation].
1992 Bot. Mag. Tokyo 105 142 Both of them [sc. the Old and New World species of Asplenium] have two main meristeles, a broader ventral and a narrower dorsal strand.
Derivatives
meriˈstelic adj.
ΘΚΠ
the world > plants > part of plant > cell or aggregate tissue > [adjective] > of or having stele
polystelic1891
protostelic1899
siphonostelic1899
stelar1901
meristelic1902
eustelic1944
1902 Encycl. Brit. XXV. 414/2 (caption) Meristelic arc of collateral bundles, united by conjunctive.
1924 Bot. Gaz. 78 9 The monostelic mass of each radicle, as it approaches the hypocotyl, splits into two larger meristelic masses..and two alternating, decidedly smaller ones.
1947 Philos. Trans. (Royal Soc.) B. 232 363 The meristeles do not actually fuse.., the meristelic condition being itself due to the disruption of a sheet of vascular tissue initially continuous.
1984 Amer. Jrnl. Bot. 71 568/1 In the meristelic region between adjacent leaf gaps there are at least three roots.
This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).
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n.1894