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单词 rosulate
释义

rosulateadj.

Brit. /ˈrɒzjᵿlət/, U.S. /ˈrɑz(j)ələt/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin rosula , -ate suffix2.
Etymology: < post-classical Latin rosula little rose (5th cent.; < classical Latin rosa rose n.1 + -ula -ula suffix) + -ate suffix2.
Botany.
Of parts of a plant (esp. leaves): forming a rosette; arranged like the petals of a rose. Also (of a plant): having leaves arranged in this pattern.
ΘΚΠ
the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > tiled or overlapping
tiled1751
rosulate1829
1829 R. Sweet Brit. Flower Garden III. §275 Echeveria grandifolia...Leaves thick and succulent..lower ones closely crowded, rosulate, or spreading like an expanded rose.
1832 J. Lindley Introd. Bot. 418 Rosulate, when parts..lie packed closely over each other, like the petals of a double rose.
1862 T. Moore Field Botanist's Compan. 93 In boggy places on open heaths..may generally be found a profusion of little rosulate plants.
1909 E. Warming et al. Oecol. Plants xvi. lxxxviii. 318 Shoots with broad rosulate leaves are common, presumably in accordance with the low height of the vegetation and the rich supply of light.
1979 Brittonia 31 259 Plants appearing strongly rosulate, but with internodes progressively elongating upward on the stem.
2004 L. E. Newton in T. Reynolds Aloes i. i. 4 Acaulescent species have rosulate leaves, often occurring as solitary rosettes that can reach a metre or more in diameter.
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).
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adj.1829
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