首頁   計劃介紹    

English Version

Plants of Taiwan

  • plantname
  • planetbook
  • 回目錄頁

    台灣植物誌 第一版  Flora of Taiwan, 1st edition    Vol. 1

      / 582
    last page

    上一頁

    台灣植物誌第一版  Flora of Taiwan, 1st edition  1: 495

    1. Plants palm-like, with pinnate leaves . , . . . . . . . . . . . . . 1. Cycadaceae
    1. Plants not palm-like, with simple leaves.
    2. Seeds solitary or in pairs, enclosed in a fleshy aril and becoming berry- or drupe-like;
    embryo with 2 cotyledons.
    3. Anthers with 3-9 pollen sacs; pollen grains not winged.
    4. Branches and branchlets alternate or subopposite 2. Taxaceae
    4. Branches and branchlets opposite.
    5. Leaves opposite; staminate cones in catkin-like clusters; ovuliferous cones of
    a single ovule 3. Amentotaxaceae
    5. Leaves spirally arranged, but spreading in 2 rows; staminate cones in head-
    like clusters; ovuliferous cones of several scales, each bearing 2 ovules,
    but only 1 or 2 seeds develop K.. 4. Cephalotaxaceae
    3. Anthers with 2 pollen sacs; pollen grains winged.. . 5. Podocarpaceae
    2. Seeds several or many, not arillate; ovuliferous scales generally forming a dry woody cone (fleshy and berry-like in Juniperus); embryo with 2 to many cotyledons.
    3. Leaves and cone-scales spirally arranged, the former usually linear or needle- like, sometimes fascicled; ovules inverted; embryos with 2 to many cotyledons.
    @4. Cone-scales and bracts distinct, the former flattened, with 2 winged seeds .
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . KKKK..6. Pinaceae
    4. Cone-scales and bracts coalescent, indistinct, the former flattened or peltate,
    with 2-8 seeds ...7. Taxodiaceae
    3. Leaves and cone-scales opposite or whorled, the former usually small and scale-
    like; ovules erect; embryo often with 2 cotyledons ..8. Cupressaceae

    IIA. GYMNOSPERMAE .rlӪ
    Trees or shrubs; leaves mostly evergreen, rarely deciduous, needle-shaped or
    scale-like, rarely oblong to elliptic; flowers mostly unisexual, rarely bisexual, without perianth, often cone-like; ovules naked, not enclosed in dioecious or monoecious an ovary: cotyledons two to many.
    KEY TO THE FAMILIES