释义 |
Definition of umbel in English: umbelnoun ˈʌmb(ə)lˈəmbəl Botany A flower cluster in which stalks of nearly equal length spring from a common centre and form a flat or curved surface, characteristic of the parsley family. 〔植〕伞形花序 Example sentencesExamples - Ginseng plants with three or more leaves, or rarely two leaves, produce an umbel of small white flowers between late May and July.
- Plants produce one or more stems bearing umbels of 10-25 greenishwhite flowers (Shannon and Wyatt 1986a).
- Unlike other Liliales, these vines produce their flowers in spherical clusters called umbels, as in the picture of Bomarea at the top of this page.
- During field harvest, each plant was separated into leaves (blade + petiole), roots, stems, and umbels (pedicels + rays + flowers/fruits).
- It is traditionally classified alongside Bupleurum, differentiated by its white flowers, sessile umbels, and conspicuous calyx teeth, and the lack of bracteoles and of a carpophore (mericarps do not separate).
- To minimize competition for resources between developing fruits, treatments were performed on separate umbels, regardless of how many extra flowers per umbel were produced.
Derivativesadjective ˈʌmbəleɪt Botany These are blooming on small plants with 3’ long umbellate flowers heavily spotted with red-maroon, with a red-purple lip. Example sentencesExamples - Agapanthus is a very variable genus, yet they are all broadly similar in appearance, with rhizomatous roots, strap-like leaves and an umbellate inflorescence on a stalk held above the leaves.
- Milkweed fruits would in pairs (each flower produces 2), on stalks, and almost always in umbellate inflorescences rather than on something spicate like yours looks.
- When conditions are favorable the plant produces a single, thick stem that contains hundreds of yellow umbellate flowers producing numerous seeds per umbellate.
adjective-ˈbɛljuːl Botany
OriginLate 16th century: from obsolete French umbelle or Latin umbella 'sunshade', diminutive of umbra (see umbra). Rhymesbumble, crumble, fumble, grumble, humble, jumble, mumble, rough-and-tumble, rumble, scumble, stumble, tumble Definition of umbel in US English: umbelnounˈəmbəlˈəmbəl Botany A flower cluster in which stalks of nearly equal length spring from a common center and form a flat or curved surface, characteristic of the parsley family. 〔植〕伞形花序 Example sentencesExamples - It is traditionally classified alongside Bupleurum, differentiated by its white flowers, sessile umbels, and conspicuous calyx teeth, and the lack of bracteoles and of a carpophore (mericarps do not separate).
- Unlike other Liliales, these vines produce their flowers in spherical clusters called umbels, as in the picture of Bomarea at the top of this page.
- During field harvest, each plant was separated into leaves (blade + petiole), roots, stems, and umbels (pedicels + rays + flowers/fruits).
- Ginseng plants with three or more leaves, or rarely two leaves, produce an umbel of small white flowers between late May and July.
- Plants produce one or more stems bearing umbels of 10-25 greenishwhite flowers (Shannon and Wyatt 1986a).
- To minimize competition for resources between developing fruits, treatments were performed on separate umbels, regardless of how many extra flowers per umbel were produced.
OriginLate 16th century: from obsolete French umbelle or Latin umbella ‘sunshade’, diminutive of umbra (see umbra). |