sepals Modified leaves that protect a flower's inner petals and reproductive structures. Small, leaf-like structures in flowers that enclose and protect the developing flower.
a whorl of sepals (collectively called the calyx)
a whorl of petals (collectively called the corolla)
stamens in which the microsporangia form
carpels in which the megasporangia form.
calyx. The sepals of a flower; they enclose the unopened flower bud.
cambium. Thin layer of undifferentiated, actively growing tissue between phloem and xylem.
A flower lacking sepals, petals, stamens, or carpels.
incomplete metamorphosis ...
all the petals and sepals of a flower taken collectively
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
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Plants with wind pollinated flowers tend to have flowers without petals or sepals. Typically large amounts of pollen are produced and pollination often occurs early in the growing season before leaves can interfere with the dispersal of the pollen.
For example, in one class of mutations, sepals develop where petals should and carpals develop where stamens should.
Sterile parts of flowers are the sepals and petals. When these are similar in size and shape, they are termed tepals.
perianth -- The sepals and petals of a flower are together called the perianth; literally "around the anthers". More info?
peridinin -- carotenoid pigment found in dinoflagellates.
perigynous A flower in which the base of the sepals, petals, and stamens form a cup around the ovary.
period In ocean waves, the time required for two successive waves to pass a reference point
period The duration of one cycle of a biological rhythm.
4. (Science: botany) Having tubercles or grainlike processes, as the petals or sepals of some flowers.
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Liliaceae family of monocots in which the sepals and petals are very similar in appearance
(lily = lily; -aceae = ending for plant families)
Carolus Linnaeus a Latinization of "Karl von Linné" ...
 See also: Sepal, Petal, Flower, Plant, Cells
  
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