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单词 onagrad
释义

onagradn.adj.

Brit. /ˈɒnəɡrad/, U.S. /ˈɑnəˌɡræd/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Onagra , -ad suffix1.
Etymology: < scientific Latin Onagra Onagra n.1 + -ad suffix1.
Botany.
A. n.
A plant of the family Onagraceae, which includes evening primroses, willowherbs, and fuchsias.
ΘΚΠ
the world > plants > particular plants > plants and herbs > according to family > Onagraceae (willow-herbs) > [noun]
willow-herb1578
bindweed nightshade1597
enchanter's nightshade1597
rosebay1597
willow1597
French willow1601
willow-flower1633
rose withy1650
codlings-and-cream1670
willow weed1741
gooseberry fool1785
epilobium1809
onagrad1846
cherry-pie1857
apple pie plant1858
slink-weed1858
fiddle-grass1878
epilobe1883
satin flower1891
1846 J. Lindley Veg. Kingdom 724 The Onagrads..are in general tetramerous.
1868 S. Hereman Paxton's Bot. Dict. 401/1 Onagraceæ, Onagrads, or Evening Primroses, are an assemblage of shrubs, herbaceous plants, and annuals.
1929 Bull. Torrey Bot. Club 56 288 In Hartmannia tetraptera the megasporocyte does not make its appearance in the ovule at the early stage that it does in many other onagrads.
1940 Proc. Royal Soc. 1939–40 B. 128 371 This species shows certain morphological characters quite distinct from other Onagrads.
1982 Ann. Missouri Bot. Garden 69 735 Many of the onagrads also supply their ovules via the transseptal route rather than the familiar central route.
B. adj.
Onagraceous; (in later use, usually with capital initial) spec. designating a pattern of embryo development that is exemplified by plants of the family Onagraceae.
ΘΚΠ
the world > plants > particular plants > plants and herbs > according to family > Onagraceae (willow-herbs) > [adjective]
onagraceous1842
onagrad1929
1929 Bull. Torrey Bot. Club 56 293 My own conclusions regarding the indentations peculiar to the onagrad synergids.
1956 Amer. Jrnl. Bot. 43 238/2 He mentioned the complexity in the comparative embryology of the family in which both the Onagrad and the Caryophyllad type occur.
1975 Ann. Missouri Bot. Garden 62 625 Embryogeny: type of development (Johansen, 1950)—Asterad, Onagrad, Chenopodiad, Solanad, Caryophyllad, Piperad.
1996 Ann. Missouri Bot. Garden 83 496/1 The Myrtoideae apparently follow the onagrad pattern of embryo development.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).
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n.adj.1846
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