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Like many irises, Iris tenax has large and showy flowers. The flowers bloom in mid to late spring and are usually lavender-blue to purple, but blooms in white, yellow, pink, and orchid shades are known to sometimes occur. The leaves are very slender for an iris, seldom over 5 mm broad; the plant is often mistaken for a type of grass when not in ...
In propagation, the pollen tubes of Iris tenax reach the Iris tenuis ovules in 30 hours, whereas the pollen tubes of Iris tenuis require 50 hours to reach the Iris tenax ovules. [18] After the iris has flowered, it produces a globose, [7] or ovoid seed capsule, [2] which is 0.9–1.5 cm (0–1 in) long and 1.2 cm wide. [7]
Iris albicans – white cemetery iris, white flag iris; Iris alexeenkoi Grossh. Iris aphylla L. – stool iris, table iris, leafless iris (including I. nudicaulis) Iris aphylla subsp. hungarica (Waldst. & Kit.) Helgi ; Iris attica (Boiss. & Heldr.) Hayek; Iris benacensis A.Kern. ex Stapf; Iris bicapitata Colas; Iris croatica – Perunika I ...
The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.
Iridology (also known as iridodiagnosis [1] or iridiagnosis [2]) is an alternative medicine technique whose proponents claim that patterns, colors, and other characteristics of the iris can be examined to determine information about a patient's systemic health.
Handbooks for the Identification of British Insects is a series of books produced by the Royal Entomological Society (RES). The aim of the Handbooks is to provide illustrated identification keys to the insects of Britain, together with concise morphological, biological and distributional information.
[7] [13] [5] Trimezieae is the smallest tribe with two to four genera, noted for the presence of large rhizomes or corms rather than bulbs as well as a thickened midrib. [7] [5] [14] [15] [8] Several species with ornamented or iris-like flowers also possess a specialized method of forcing pollen onto heavy pollinators with hinged petals. [16]
Iris foetidissima L. – Stinking iris, Gladwin iris, stinking gladwin, gladdon, roast-beef plant; Series Hexagonae (known as the Louisiana irises) Iris brevicaulis Raf. – Zigzag iris; Iris fulva Ker-Gawl. – Copper iris; Iris giganticaerulea – Giant blue iris, giant blue flag; Iris hexagona Walt. – Dixie iris; Iris nelsonii Randolph ...