pentamerous


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pentamerous

consisting of five parts, or being arranged in five categories or multiples of five.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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esmarki is described from cleavage stages through the beginning of pentamerous symmetry.
1 Leaves vaginate T aphylla 1 Leaves sessile with a narrow base, sometimes slightly auriculate at their lower half but never vaginate 2 Flowers tetramerous T parviflora 2 Flowers pentamerous 3 Staminal filaments arising from the apex of the nectariferous disc lobes T gallica 3 Staminal filaments arising between the nectariferous disc lobes 4 Inflorescences with both solitary and fasciculate racemes (groups from 2 to 4) T hohenackeri 4 Inflorescences with racemes always solitary 5 Racemes 5-7 mm wide.
2009)] she examined, 16 specimens (0.4%) exhibited pentamerous or hexamerous symmetry.
The difference in number of stamens found in the Peruvian material could be attributed to the high proportion of tetramerous and pentamerous staminate flowers found, but at least one individual with 3 petals and 15 stamens was observed, indicating that more stamens can occur in spite of an otherwise normal floral morphology.
in blue"--which "seem to make a little azure sky," and "here and there sweet [scarlet] Primroses scattered [as stars] Spangling the blue, [do] fit constellations make." The Primrose is a pentamerous flower, known as the star flower, and in Fletcher's text the flaming starry Primroses "set in order" present a "little heav'n on earth": and upon this "earthly heav'n the shepherds play." Blake, like Fletcher, often considered the planets and stars as the flowers of heaven.
Behavior on flowers and structures associated to pollen transport: The studied flowers are shallow, pentamerous, radially symmetric, diameter ranging from 8 to 22.4 mm; petals predominantly white to yellow, or in some cases pinkish, and their basal portion has a different coloration, forming a color ring, whose diameter varies from 3 to 8.4 mm; staminal tube formed by the concrescence of the filaments, involving the styles.
Exposure of natural genetic variability underlying the pentamerous corolla constancy in Linanthus androsaceus ssp.
Approximately 15 days after fertilization, settlers have more pronounced pentamerous symmetry, the abactinal and actinal regions become distinct, the dorsal spines become more developed (most numerous in the margins), and the eyespot is fully formed (Fig.
Each flower is characterized by an actinomorphic, pentamerous perianth composed of a whorl of sepals and a whorl of petals, a haplostemonous androecium with antesepalous stamens, and a bicarpellate gynoecium; the styles of the flowers are fused to free, and the single stigma is capitate.