Definition of distichous in English:

distichous

adjective ˈdɪstɪkəsˈdistikəs

Botany

(of parts) arranged alternately in two opposite vertical rows.
〔植〕两列的
Example sentencesExamples
- Poaceae species present a conserved distichous phyllotaxy (leaf position along the stem) and share common properties with respect to leaf initiation.
- The rockweed shown at left, Fucus distichous, visible at low tide at the Berkeley Marina in California, is somewhat smaller.
- Castilla also has plagiotropic branches that are arranged continuously along monopodial trunks and bear distichous leaves.
- Phyllotaxy ranges from distichous to having 56 rows of leaves and is not restricted to Fibonacci numbers.
- The terms adaxial and abaxial are used conventionally, although there is no evidence of a shoot apex between the distichous leaves.

Derivatives

distichously

adverb

Botany

Leaves of this species are distichously arrayed on horizontal branches, and often hang down by 10-40° from the horizontal plane.
Example sentencesExamples
- These initials are distichously arranged as would be found in teosinte or lateral branches of the maize tassel.
- The teosinte ear is composed of 5 to 10 distichously (in two ranks) arranged cupulate fruitcases.
- Each floret is in the axil of a chaffy bract and these are arranged spirally or distichously in spikelets.
- The leaves are simple and distichously arranged.

Origin

Mid 18th century: via Latin from Greek distikhos (see distich) + -ous.

Definition of distichous in US English:

distichous

adjectiveˈdistikəs

Botany

(of parts) arranged alternately in two opposite vertical rows.
〔植〕两列的
Example sentencesExamples
- The terms adaxial and abaxial are used conventionally, although there is no evidence of a shoot apex between the distichous leaves.
- Phyllotaxy ranges from distichous to having 56 rows of leaves and is not restricted to Fibonacci numbers.
- The rockweed shown at left, Fucus distichous, visible at low tide at the Berkeley Marina in California, is somewhat smaller.
- Castilla also has plagiotropic branches that are arranged continuously along monopodial trunks and bear distichous leaves.
- Poaceae species present a conserved distichous phyllotaxy (leaf position along the stem) and share common properties with respect to leaf initiation.

Origin

Mid 18th century: via Latin from Greek distikhos (see distich) + -ous.

词汇	distichous
释义	Definition of distichous in English: distichous adjective ˈdɪstɪkəsˈdistikəs Botany (of parts) arranged alternately in two opposite vertical rows. 〔植〕两列的 Example sentencesExamples Poaceae species present a conserved distichous phyllotaxy (leaf position along the stem) and share common properties with respect to leaf initiation. The rockweed shown at left, Fucus distichous, visible at low tide at the Berkeley Marina in California, is somewhat smaller. Castilla also has plagiotropic branches that are arranged continuously along monopodial trunks and bear distichous leaves. Phyllotaxy ranges from distichous to having 56 rows of leaves and is not restricted to Fibonacci numbers. The terms adaxial and abaxial are used conventionally, although there is no evidence of a shoot apex between the distichous leaves. Derivatives distichously adverb Botany Leaves of this species are distichously arrayed on horizontal branches, and often hang down by 10-40° from the horizontal plane. Example sentencesExamples These initials are distichously arranged as would be found in teosinte or lateral branches of the maize tassel. The teosinte ear is composed of 5 to 10 distichously (in two ranks) arranged cupulate fruitcases. Each floret is in the axil of a chaffy bract and these are arranged spirally or distichously in spikelets. The leaves are simple and distichously arranged. Origin Mid 18th century: via Latin from Greek distikhos (see distich) + -ous. Definition of distichous in US English: distichous adjectiveˈdistikəs Botany (of parts) arranged alternately in two opposite vertical rows. 〔植〕两列的 Example sentencesExamples The terms adaxial and abaxial are used conventionally, although there is no evidence of a shoot apex between the distichous leaves. Phyllotaxy ranges from distichous to having 56 rows of leaves and is not restricted to Fibonacci numbers. The rockweed shown at left, Fucus distichous, visible at low tide at the Berkeley Marina in California, is somewhat smaller. Castilla also has plagiotropic branches that are arranged continuously along monopodial trunks and bear distichous leaves. Poaceae species present a conserved distichous phyllotaxy (leaf position along the stem) and share common properties with respect to leaf initiation. Origin Mid 18th century: via Latin from Greek distikhos (see distich) + -ous.
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