单词 | pappose |
释义 | papposeadj. Botany. Having a pappus; of the nature of a pappus; downy. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having or relating to parts > of or having calyx > of or having a pappus pappous1658 pappose1687 pappescent1690 comose1830 pappiferous1857 1687 Philos. Trans. 1686–7 (Royal Soc.) 16 285 These [herbs] are..pappose, containing their Seeds in a lanugo or downy Substance. 1703 Philos. Trans. 1702–3 (Royal Soc.) 23 1422 This Rheed has a very beautiful tuft, compos'd of above a dozen pappose spikes. 1861 R. Bentley Man. Bot. ii. iii. 575 Calyx..superior, with a membranous or pappose limb. 1898 Science 19 Aug. 216 While ‘high winds’ are effective agents in the distribution of heavy and rounded seeds they are by no means efficient in the dispersion of the commose, pappose and membranaceous seeds. 1946 Amer. Midland Naturalist 35 403 As originally defined, the genus Wyethia included only species with pappose achenes. 1988 Biochem. Systematics & Ecol. 16 417 V[iguiera]brevifolia..and V. greggii..are distinct species and not just pappose and epappose forms. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < adj.1687 |
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