| 释义 |
poa Bot.|ˈpəʊə|
[mod.L. (Linnæus Genera Plantarum (1737) 20), a. Gr. πόα grass.]
a. An annual or perennial grass of the genus so called, which is widely distributed in temperate and cold regions; = meadow-grass s.v. meadow n. 4 c.
1753in Chambers Cycl. Supp. 1785Martyn Rousseau's Bot. xiii. (1794) 137 There are four sorts of Poa very common in most meadows. 1789Trans. Soc. Arts (ed. 2) II. 57 A mixture of..burnet, and dwarf poa. 1917S. F. Armstrong Brit. Grasses vii. 125 Poa maritima, Huds. (Sea Poa.) A somewhat creeping perennial, frequent on the shores of the British Isles. 1952A. R. Clapham et al. Flora Brit. Isles 1438 ‘Alpine Poa.’ An erect, tufted perennial.
b. Comb. poa-grass († po-grass), a grass of this genus; meadow-grass.
1765Museum Rust. IV. xlii. 183 We have a far better grass, under the name of po-grass. 1766Ibid. VI. 121, I could not distinguish the desired kind from these intruders; particularly the poa-grass. 1927F. B. Young Portrait of Clare vii. 762 A stone bridge spanned a chalk-stream with emerald trailing poa⁓grass swimming in smooth flats beneath it. 1971Homes & Gardens Sept. 128/1 There is a silver-striped poa grass that shows up brilliantly anywhere, but it must not be allowed to spread. |