Jump to content

Igi ti o gbooro

Lát'ọwọ́ Wikipedia, ìwé ìmọ̀ ọ̀fẹ́

Igi gbooro, ewe gbooro, tabi igi gbooro jẹ igi eyikeyi laarin ẹgbẹ oniruuru botanical ti angiosperms ti o ni awọn ewe alapin ati mu awọn irugbin jade ninu awọn eso. O jẹ ọkan ninu awọn oriṣi awọn igi gbogbogbo meji, ekeji jẹ conifer, igi ti o ni abẹrẹ-bi tabi awọn ewe ti o ni iwọn ati awọn irugbin ti a gbe sinu awọn cones igi. [1] Awọn igi ti o gbooro ni a mọ nigba miiran bi igi lile . [2]

Pupọ julọ awọn igi deciduous jẹ awọn ewe gbooro ṣugbọn diẹ ninu jẹ coniferous, bii awọn larch . [3]

Awọn oriṣi gbogbogbo meji ti awọn igi onigi
Gymnosperms (awọn irugbin irugbin kii ṣe aladodo) Angiosperms (awọn irugbin aladodo)
Coniferous (awọn obinrin ti o ni awọn cones ovulate ti o tu awọn irugbin ti ko ni pipade ni idagbasoke) Eso-eso (tito awọn irugbin laarin)
Nigbagbogbo alawọ ewe (diẹdiẹ ti n ta foliage silẹ, foliage alawọ ewe jakejado ọdun) Nigbagbogbo deciduous (sisọ gbogbo awọn foliage silẹ ni akoko, ko si foliage fun apakan ti ọdun)
Mọ bi softwoods (nonporous, igi ojo melo fẹẹrẹfẹ & rirọ) [4] Ti a mọ si awọn igi lile (igbekalẹ igi la kọja & eka diẹ sii, igi ni gbogbogbo le) [4]
Awọn ewe bii abẹrẹ tabi iwọn Awọn ewe gbooro
Awọn apẹẹrẹ: firs, spruces, pines Awọn apẹẹrẹ: hickories, maple, oaku
  • Brodleaf iwọn otutu ati awọn igbo ti o dapọ
  • Adalu coniferous igbo
  • Tropical ati subtropical gbígbẹ broadleaf igboIgi gbooro, ewe gbooro, tabi igi gbooro jẹ igi eyikeyi laarin ẹgbẹ oniruuru botanical ti angiosperms ti o ni awọn ewe alapin ati mu awọn irugbin jade ninu awọn eso. O jẹ ọkan ninu
  1. Dichotomous Key. Common Trees of the Pacific Northwest. College of Forestry, Oregon State University.
  2. Broadleaved Trees: Unsung Component of British Columbia's Forests. University of British Columbia.
  3. Why do larches turn yellow? U.S. Department of Agriculture
  4. 4.0 4.1 Forest Products Laboratory (FPL) of the U.S. Department of Agriculture (USDA), Wood Handbook—Wood as an Engineering Material Error in webarchive template: Check |url= value. Empty., General Technical Report series, № FPL‑GTR‑190, Centennial ed. (Madison, Wis.: USDA Forest Service, FPL, 2010‑04), p. 2‑2.