单词 | radicant |
释义 | radicantadj. Botany. Now rare. Esp. of a stem or fern frond: producing (adventitious) roots or rootlets; rooting. ΘΚΠ the world > plants > part of plant > root > plant defined by roots > [adjective] > having or not having roots rootlessa1413 rooty?c1475 well-rooted1577 rooted1712 rooting1731 radicant1753 rhizomatous1812 own-root1881 rhizogenetic1884 rhizogenic1884 1753 Chambers's Cycl. Suppl. at Leaf Radicant Leaf, one which pushes out roots from its summit, as some of the ferns do. 1796 W. Marshall Planting & Rural Ornament II. 329 Radicant Toxicodendron. Of this species there are several Varieties... The stalks of all have, more or less, a tendency to lie on the ground. 1836 J. C. Loudon Encycl. Plants (rev. ed.) 459 A sub-parasitical creeping shrub: at first it [sc. Marcgravia] is radicant like some ferns, but as it advances, the stem becomes shrubby. 1931 Brittonia 1 77 Many of the sterile fronds are radicant at or below the tip. 1989 Amer. Fern Jrnl. 79 26 Each of the four segregate [fern] genera is defined by a unique combination of advanced characters, such as..radicant frond apices. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < |
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