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  2. Selburose - Wikipedia

    en.wikipedia.org/wiki/Selburose

    The coat of arms of Selbu, featuring three selburoses Selbuvotter, Selbu mittens, featuring the selburose Detail of the pattern on a sweater. In Norwegian knitting, a selburose (Norwegian: [ˈsæ̀ɽbʉˌɾuːsə]) is a knitted rose pattern in the shape of a regular octagram.

  3. Guilloché - Wikipedia

    en.wikipedia.org/wiki/Guilloché

    Guilloché (French:), or guilloche (/ ɡ ɪ ˈ l oʊ ʃ /), is a decorative technique in which a very precise, intricate and repetitive pattern is mechanically engraved into an underlying material via engine turning, which uses a machine of the same name. Engine turning machines may include the rose engine lathe and also the straight-line ...

  4. List of pests and diseases of roses - Wikipedia

    en.wikipedia.org/wiki/List_of_pests_and_diseases...

    The patterns vary considerably, ranging between all-over fine blotches to patterns of lines in waves. The patterns may appear on a few or many leaves. Plants are infected by this virus at propagation using infected plant material. [4] Rose wilt – Rose wilt is a complex of viruses and is referred to as

  5. Rose engine lathe - Wikipedia

    en.wikipedia.org/wiki/Rose_engine_lathe

    Mercklein's rose engine, 1780 A rose engine was used to produce the complex background and border patterns of early British postage stamps. A rose engine lathe is a specialized kind of geometric lathe. The head stock rocks back and forth with a rocking motion and/or slides along the spindle axis in a pumping motion.

  6. Rosette (design) - Wikipedia

    en.wikipedia.org/wiki/Rosette_(design)

    One of the earliest appearances of the rosette in ancient art is in early fourth millennium BC Egypt. [2] Another early Mediterranean occurrence of the rosette design derives from Minoan Crete; Among other places, the design appears on the Phaistos Disc, recovered from the eponymous archaeological site in southern Crete.

  7. Rose (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Rose_(mathematics)

    Graphs of roses are composed of petals.A petal is the shape formed by the graph of a half-cycle of the sinusoid that specifies the rose. (A cycle is a portion of a sinusoid that is one period T = ⁠ 2π / k ⁠ long and consists of a positive half-cycle, the continuous set of points where r ≥ 0 and is ⁠ T / 2 ⁠ = ⁠ π / k ⁠ long, and a negative half-cycle is the other half where r ...

  8. Portulaca grandiflora - Wikipedia

    en.wikipedia.org/wiki/Portulaca_grandiflora

    [2] [3] It has many common names, including rose moss, [4] eleven o'clock, [3] Mexican rose, [3] moss rose, [3] sun rose, [5] table rose, [citation needed] rock rose, [5] and moss-rose purslane. Despite these names and the superficial resemblance of some cultivars' flowers to roses , it is not a true rose, nor even a part of the rose family or ...

  9. Rose-painting - Wikipedia

    en.wikipedia.org/wiki/Rose-painting

    Rose painting with floral paintings in a traditional design. Rose-painting, rosemaling, rosemåling or rosmålning is a Scandinavian decorative folk painting that flourished from the 1700s to the mid-1800s, particularly in Norway.