perianth


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perianth

the organs of a flower outside the sex organs, consisting of the CALYX and COROLLA; the floral envelope.
References in periodicals archive ?
Calyx: Perianth five-parted: leaves oblong, acuminate-obtuse, concave.
bracts leaf like, 3-5 mm, elliptic, apex blunt, margins crenate-dentate; perianth 5, greenish, erect, hirsute, glandular, 0.
Heliconiaceae inflorescences are compact, large, with a slightly coarse perianth and flowers protected by large stiff bracts that enable the creation of microenvironments that hold organic debris and moisture.
This week's online offer is for 15 Daffodil Merlin, an exciting new introduction to our range which produces broad leaves and a contrasting orangeyellow perianth.
Involvement of the Ivr2-invertase in the perianth during maize kernel development under water stress.
The inner and outer perianth circles are 4 to 6 mm long and elliptical to oval-elliptical.
2011) this subgenus is characterized by more or less convolute stem leaves, appressed to the stem when dry, spreading when moist; dorsal leaf lobe longer than broad; auricles at leaf base lacking or not similar in size, the dorsal auricle distinctly larger than the ventral one, and perianth surface smooth.
As an evolutionary old family the Annonaceae exhibit floral morphological characters which they partly share with other representatives of the order Magnoliales and further basal angiosperms, such as hermaphrodititic flowers, a usually trimerous perianth, and numerous stamens and carpels with a helical arrangement along an elongated, mostly convex receptacle.
The main morphological features are focused on leaf shape and insertion, raceme length and its disposition, bract shape, relative bract length, number, shape and size of the perianth sections and the site of insertion of the staminal filaments on the nectariferous disc.