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单词 shield fern
释义

Definition of shield fern in English:

shield fern

noun
  • Any of a number of ferns that have circular shieldlike scales protecting the spore cases.

    a European fern of damp woodland (genus Polystichum, family Dryopteridaceae).

    (in North America) an evergreen fern (genus Thelypteris, family Thelypteridaceae).

    (in Australasia) a fern of forested country (family Aspidiaceae).

    Example sentencesExamples
    • Slugs will occasionally eat the young fronds of variegated shield, deer, hayscented or southern shield ferns.
    • This is in contrast to its look-alike, P. setiferum, the soft shield fern.
    • The shield ferns have this characteristic ‘thumb’ on the leaflets of the fronds and the spores cover both the leaflets and the thumb - you can just about make this out in one or two of the leaflets.
    • There are more than 100 varieties of shield ferns in the commercial trade, ranging in height from two feet to four feet.
    • Fragrant shield fern or fragrant cliff fern (D. fragrans) is so named because its leathery, evergreen leaves have a spicy aroma when dry.
    • If the garden is on the drier side but still shady then the soft shield fern is for you.
    • Cinnamon, royal, and southern shield ferns will grow in full sun if constant moisture is available.
    • Christmas fern and soft shield fern (P. setiferum) remain green; the fiddleheads of many ferns emerge early from the winter ground.
    • The distinctive shaggy, moss texture and neat habit of growth sets this variety of soft shield fern apart.
    • On your way into one of the canyons keep an eye open for the lady ferns and shield ferns in the shaded understory of the forest.
    • This forest has a diverse herb layer of spring wildflowers that bloom from April to June as well as shield ferns and mosses.
    • Historically there are a number of highly divided soft shield ferns known collectively as the plumose divisilobes which are now considered to be more characteristically plumose multilobes.
    • Marginal shield fern is an evergreen fern, which grows as a non-spreading, vase-shaped clump with handsome gray-green, leathery fronds.
    • I've had some southern shield fern for a few years now.
    • In the male shield fern these are located along the midrib, while in the marginal-fruited shield fern they are placed on the margins of the divisions of the fronds.
 
 

Definition of shield fern in US English:

shield fern

noun
  • Any of a number of ferns that have circular shieldlike scales protecting the spore cases.

    an evergreen fern (genus Thelypteris, family Thelypteridaceae)

    (Australian)a fern of forested country (family a fern of forested country (family Aspidiaceae)

    a European fern of damp woodland (genus Polystichum, family Dryopteridaceae)

    Example sentencesExamples
    • There are more than 100 varieties of shield ferns in the commercial trade, ranging in height from two feet to four feet.
    • The shield ferns have this characteristic ‘thumb’ on the leaflets of the fronds and the spores cover both the leaflets and the thumb - you can just about make this out in one or two of the leaflets.
    • This forest has a diverse herb layer of spring wildflowers that bloom from April to June as well as shield ferns and mosses.
    • Cinnamon, royal, and southern shield ferns will grow in full sun if constant moisture is available.
    • Marginal shield fern is an evergreen fern, which grows as a non-spreading, vase-shaped clump with handsome gray-green, leathery fronds.
    • In the male shield fern these are located along the midrib, while in the marginal-fruited shield fern they are placed on the margins of the divisions of the fronds.
    • I've had some southern shield fern for a few years now.
    • Fragrant shield fern or fragrant cliff fern (D. fragrans) is so named because its leathery, evergreen leaves have a spicy aroma when dry.
    • If the garden is on the drier side but still shady then the soft shield fern is for you.
    • This is in contrast to its look-alike, P. setiferum, the soft shield fern.
    • Slugs will occasionally eat the young fronds of variegated shield, deer, hayscented or southern shield ferns.
    • The distinctive shaggy, moss texture and neat habit of growth sets this variety of soft shield fern apart.
    • On your way into one of the canyons keep an eye open for the lady ferns and shield ferns in the shaded understory of the forest.
    • Historically there are a number of highly divided soft shield ferns known collectively as the plumose divisilobes which are now considered to be more characteristically plumose multilobes.
    • Christmas fern and soft shield fern (P. setiferum) remain green; the fiddleheads of many ferns emerge early from the winter ground.
 
 
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更新时间:2024/11/11 9:18:25