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Chemosis is the swelling (or edema) of the conjunctiva. The term derives from the Greek words cheme and -osis, cheme meaning cockleshell due to the swollen conjunctiva resembling it, and -osis meaning condition. [1] The swelling is due to the oozing of exudate from abnormally permeable capillaries. In general, chemosis is a nonspecific sign of ...
Iris chrysophylla, the yellowleaf iris, is a wildflower which ranges from midwestern and southern Oregon west of the Cascades and south to the crest of the Siskiyou Mountains in northern California. The yellowleaf iris grows up to 5,500 feet (1,700 m) elevation, most commonly in open, coniferous forests.
The eggs are in large flat placards on iris leaves. The female lays the eggs by inserting her "saw" into the blade of the leaf near the thickened middle, not far from the leaf base. As many as 19 eggs may be inserted into separate cells of a single leaf. [7] The larvae eat the leaves until about July and then crawl into the ground.
Overwatering and underwatering are, hands down, the most common causes of peace lily leaves turning yellow, and these two issues can cause leaf drop and wilting, too.
The flowers are bright yellow, 7–10 cm (2.8–3.9 in) across, with the typical iris form. The fruit is a dry capsule 4–7 cm (1.6–2.8 in) long, containing numerous pale brown seeds. I. pseudacorus grows best in very wet conditions, and is common in wetlands, where it tolerates submersion, low pH , and anoxic soils.
Iris dichotoma grows from a small fibrous rhizome [2] [3] that is stout and very short. [4] Underneath the rhizome, it has thick and swollen roots. [3] It has numerous typical iris-looking leaves [2] [5] that are similar in form to a bearded iris, [6] except fan shaped. [2] [7] They are also similar to a Vanda orchid's leaves. [6]
Iris bucharica (also Bukhara iris, corn leaf iris and horned iris) is a species of flowering plant in the family Iridaceae. It is a bulbous herbaceous perennial, from temperate Asia, within Afghanistan, Tajikistan and Uzbekistan. It has long blue green leaves, many flowers in spring, in shades of yellow and white.
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 ...