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词汇 pseudobulb
释义

Definition of pseudobulb in English:

pseudobulb

nounˈs(j)uːdəʊˌbʌlbˈso͞odōˌbəlb
Botany
  • A bulbous enlargement of the stem in many orchids, especially tropical and epiphytic ones.

    〔植〕假鳞茎

    Example sentencesExamples
    • The plants branch sympodially, producing large, flattened, bifoliate pseudobulbs and lateral, solitary flowers on long pedicels, numbering one to six per pseudobulb.
    • All the species of Xylobium studied have plicate leaves and pseudobulbs round in section, multiflowered inflorescences with rewardless flowers, and Type 1 pollinaria with arcuate viscidia.
    • Sympodial in nature, which means the plant has connected stems which cease growth after flowering, the dendrobium has pseudobulbs at the base.
    • Myrmecophila christinae produces one or two pseudobulbs a year, although individuals with > 40 pseudobulbs have been reported.
    • Microstylis and its relatives, although often growing on the ground, have pseudobulbs (probably indicating epiphytic origins) and thus are really semi-terrestrial.

Definition of pseudobulb in US English:

pseudobulb

nounˈso͞odōˌbəlb
Botany
  • A bulbous enlargement of the stem in many orchids, especially tropical and epiphytic ones.

    〔植〕假鳞茎

    Example sentencesExamples
    • The plants branch sympodially, producing large, flattened, bifoliate pseudobulbs and lateral, solitary flowers on long pedicels, numbering one to six per pseudobulb.
    • Myrmecophila christinae produces one or two pseudobulbs a year, although individuals with > 40 pseudobulbs have been reported.
    • Sympodial in nature, which means the plant has connected stems which cease growth after flowering, the dendrobium has pseudobulbs at the base.
    • Microstylis and its relatives, although often growing on the ground, have pseudobulbs (probably indicating epiphytic origins) and thus are really semi-terrestrial.
    • All the species of Xylobium studied have plicate leaves and pseudobulbs round in section, multiflowered inflorescences with rewardless flowers, and Type 1 pollinaria with arcuate viscidia.
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