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单词 oblanceolate
释义

oblanceolateadj.

Brit. /əbˈlɑːnsɪələt/, /əbˈlansɪələt/, U.S. /ɑbˈlænsiəˌleɪt/
Origin: Formed within English, by derivation. Etymons: ob- prefix, lanceolate adj.
Etymology: < ob- prefix + lanceolate adj.
Botany.
Inversely lanceolate; shaped like a lance-head with the more tapering end at the base.
ΘΚΠ
the world > plants > part of plant > part defined by form or function > [adjective] > oblong
oblonga1500
linear1753
oblanceolate1821
1821 W. P. C. Barton Flora N. Amer. (new ed.) I. 119 Houstonia Cœrulea, Fairy-flax... Stem erect,..radical leaves pubescent, spathulated–cauline opposite, oblanceolate, or linear, obtuse peduncles one-flowered, long.
1864 D. Oliver Lessons Elem. Bot. ii. 197 Common Primrose... A perennial herb, with oblanceolate..radical leaves.
1928 B. D. Jackson Gloss. Bot Terms (ed. 4) 253/1 Oblanceolate, strictly speaking this cannot occur, but the word is used for tapering towards the base more than towards the apex.
1938 Amer. Jrnl. Bot. 25 587/2 Compared with typical L[abordia]. Fagraeoidea, the smaller-leaved sprays are found to differ chiefly in having..the leaves perhaps narrower and more oblanceolate.
1976 Flora Europaea IV. 110/1 S[olidago] virgaurea... Leaves glabrous above, usually pubescent beneath, usually serrate; basal 2–10 cm, oblanceolate to obovate.
2001 Austral. Syst. Bot. 14 901 Stylidium montanum..differs from S. graminifolium in its habit, broader, oblanceolate leaves 3–5(–7) mm wide, pale to mid-green leaves, deep pink flowers and a glabrescent scape below the lowest flower.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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adj.1821
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