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Arctic Pearlwort

Sagina saginoides

Sagina saginoides is a species of flowering plant in the pink family known by the common names arctic pearlwort or alpine pearlwort. It has a circumboreal distribution; it can be found throughout the northern latitudes of the Northern Hemisphere. It grows in subalpine and alpine climates and other mountainous habitat at lower elevations. This is a small perennial herb producing a slender to threadlike stem just a few centimetres long, growing decumbent or erect. It is sometimes clumpy in form. The leaves are linear in shape and about 1 to 2 centimetres in length. The inflorescence is a solitary flower with five sepals and five small white petals. The alpine pearlwort has a circumboreal distribution; it can be found throughout the northern latitudes of the Northern Hemisphere and mountainous regions further south. It is found in short turf in thin soils on fell tundra, under snowdrifts, in melt-water wetlands, on ledges on rock faces, rocky banks, meagre pastures, roadside banks and bare ground. During the winter its dwarf stature and covering of snow protect it from the worst of the winds and low temperatures. The alpine pearlwort is a small, tufted perennial plant growing from 3 to 10 centimetres (1. 2 to 3. 9 in) tall. Its stems are semi-erect and the stalked leaves are in opposite fused pairs with slender linear blades, entire margins and blunt tips. The erect flowering stem bears a globular bud followed by a single regular flower about 2 mm (0. 1 in) in diameter. It has five turned back sepals, five white, ovate, blunt petals which are the same length as the sepals, ten stamens and five styles. The fruit is a five-chambered capsule and longer than the calyx. The snow pearlwort (Sagina nivalis) looks very similar but often has four rather than five petals. Distribution and habitat. The alpine pearlwort has a circumboreal distribution; it can be found throughout the northern latitudes of the Northern Hemisphere and mountainous regions further south. It is found in short turf in thin soils on fell tundra, under snowdrifts, in melt-water wetlands, on ledges on rock faces, rocky banks, meagre pastures, roadside banks and bare ground. During the winter its dwarf stature and covering of snow protect it from the worst of the winds and low temperatures.

Arumleaf Arrowhead

Sagittaria cuneata

Sagittaria cuneata is a species of flowering plant in the water plantain family known by the common name arumleaf arrowhead or duck potato. Like some other Sagittaria species, it may be called wapato. It is native to much of North America, including most of Canada (every province and territory except Nunavut) as well as the western and northeastern United States (New England, Great Lakes, Great Plains, Rocky Mountain, Great Basin and Pacific Coast states; including Alaska but not Hawaii). Sagittaria cuneata is an aquatic plant, growing in slow-moving and stagnant water bodies such as ponds and small streams. It is quite variable in appearance, and submerged parts of the plant look different from those growing above the surface or on land. In general it is a perennial herb growing from a white or blue-tinged tuber. The leaves are variable in shape, many of them sagittate (arrow-shaped) with two smaller, pointed lobes opposite the tip. The leaf blades are borne on very long petioles. The plant is monoecious, with individuals bearing both male and female flowers. The inflorescence which rises above the surface of the water is a raceme made up of several whorls of flowers, the lowest node bearing female flowers and upper nodes bearing male flowers. The flower is up to 2. 5 centimeters wide with white petals. The male flowers have rings of yellow stamens at the centers. Each female flower has a spherical cluster of pistils which develops into a group of tiny fruits.

Sagittaria montevidensis

Sagittaria montevidensis is a species of flowering plant in the water-plantain family Alismataceae. Common names include giant arrowhead and California arrowhead. Sagittaria montevidensis is widespread in wetlands of North America (United States, Canada, Mexico) and South America (Brazil, Bolivia, Ecuador, Peru, Argentina, Chile, Paraguay, Uruguay). In North America, the distribution is disjunct, primarily in a wide area from West Virginia to Texas to South Dakota, but with isolated occurrences in New Brunswick, Maine, Connecticut, New York, New Jersey, California, Florida and Alabama It is reportedly naturalized in Spain, Tanzania, and the Island of Java in Indonesia. Habitat. It grows preferentially at the edges of ponds, in shallow and often only temporarily existing waters. Subspecies. Sagittaria montevidensis subsp. calycina (Engelm. ) Bogin (syn. Sagittaria calycina Engelm. ) - United States, MexicoSagittaria montevidensis subsp. montevidensis - South AmericaSagittaria montevidensis subsp. spongiosa (syn. Sagittaria calycina var. spongiosa Engelm. , Lophotocarpus spongiosus (Engelm. ) J. G. Sm. ) - Mid-Atlantic and Northeastern United States, New Brunswick in CanadaSagittaria montevidensis is a robust, stemless, rhizomatous, aquatic plant. The young ribbon-like leaves grow submerged, while the leaves of older plants emerge above the water surface. The leaves are sagitatte and glabrous, up to 28 centimeters long and 23 centimeters wide. Its terete, spongy petioles may reach a length of more than 0. 75 m (2. 5 ft) and are up to 3 inches thick. Inflorescences are typically shorter than the leaves and decumbent. Flowers are in whorls or pairs at nodes and have a diameter of two to three centimeters. . They have three petals, each of which is white with a striking wine-colored stain, and three green sepals. The thick pedicels are as long as 5 cm (2. 0 in). Flowering occurs from June to September.

Dwarf Saltwort

Salicornia bigelovii

Salicornia bigelovii is a species of flowering plant in the amaranth family known by the common names dwarf saltwort and dwarf glasswort. It is native to coastal areas of the eastern and southern United States, as well as southern California, Belize, and coastal Mexico (both the east and west coasts). It is a plant of salt marshes, a halophyte which grows in saltwater. It is an annual herb producing an erect, branching stem which is jointed at many internodes. The fleshy, green to red stem can reach about 60 cm in height. The leaves are usually small plates, pairs of which are fused into a band around the stem. The inflorescence is a dense, sticklike spike of flowers. Each flower is made up of a fused pocket of sepals enclosing the stamens and stigmas, with no petals. The fruit is an utricle containing tiny, fuzzy seeds. The southern part of the species range is represented by the Petenes mangroves of the Yucatân, where it is a subdominant plant associate in the mangroves. This plant is gaining scientific attention for its potential to serve as an oil crop that can be grown in desert environments and maintained with water containing high levels of salts. It is the source of salicornia oil. The plant is up to 33% oil. The oil contains up to 79% linoleic acid and is functionally similar to safflower oil. It can be used as a cooking oil and a replacement for more valuable oils in chicken feed. Domestic animals can be fed the plant as a forage. The plant could also be a source of biofuel.

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