单词 | phanerophyte |
释义 | phanerophyten. Botany and Ecology. A plant (typically a tree, shrub, or climbing plant) that bears its dormant buds on stems or branches above the ground (spec. more than 50 centimetres above the ground).Chamaephyte, cryptophyte, hemicryptophyte, and therophyte are the other categories in this classification of plant life forms. ΘΚΠ the world > plants > by growth or development > defined by habit > [noun] > that grows buds above ground nanophanerophyte1907 phanerophyte1907 chamaephyte1913 1907 Bot. Gaz. 44 392 The phanerophytes..may be much subdivided: according to size into mega-, meso-, micro-, and nanophanerophytes. 1913 Jrnl. Ecol. 1 17 Phanerophytes have their dormant buds on branches which project freely into the air; they are the trees and shrubs. 1932 G. D. Fuller & H. S. Conard tr. J. Braun-Blanquet Plant Sociol. xii. 295 The more northern phanerophytes are characterized by special bud protection. 1934 H. Gilbert-Carter tr. C. Raunkiaer Life Forms of Plants ii. 19 By Phanerophytes I mean plants whose buds and apical shoots destined to survive the unfavourable period of the year project into the air on stems which live for several, often for many, years. 1976 P. Bell & D. Coombe tr. Strasburger's Textbk. Bot. (new ed.) 191 Phanerophytes..bear their resting buds more than 50 cm above the soil surface. 1992 M. Ingrouille Diversity & Evol. Land Plants 257 Raunkiaer's lifeforms can be summarized as follows. 1. Phanerophytes (trees and shrubs > 25 cm tall) (a) evergreen trees without a bud covering (b) evergreen trees with a bud covering (c) deciduous trees with a bud covering. 1999 Diversity & Distributions 5 277/1 Dense shrubs: dense and closed communities with a medium-high height (75 cm–1.5 m) and size (woody phanerophytes). This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1907 |
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