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Sedum Lineare: A Delicate Beauty of Japanese Mountains

Sedum lineare is a perennial herbaceous plant in the Crassulaceae family. It is hairless, with stems that reach 10 to 20 centimeters in height. It typically has three leaves arranged in a whorl, although some varieties have four leaves in a whorl or opposite leaves. The leaves are linear, bluntly pointed at the tip, sessile […]

Sedum lineare is a perennial herbaceous plant in the Crassulaceae family. It is hairless, with stems that reach 10 to 20 centimeters in height. It typically has three leaves arranged in a whorl, although some varieties have four leaves in a whorl or opposite leaves.

The leaves are linear, bluntly pointed at the tip, sessile at the base, and have short petioles. The inflorescence is umbel-like, terminal, sparse, with a centrally located flower with a short stalk.

The sepals are linear-lanceolate, the carpels slightly split, and the pistil is short. The plant has five petals, which are yellow, lanceolate, 4 to 6 millimeters long, sharply pointed at the tip, and slightly narrowed at the base.

The seeds are small. The flowering period is from April to May, and the fruiting period is from June to July. It grows on the slopes of low mountains or flat grasslands and is found in Japan.

The whole plant has medicinal properties and is used to clear heat, detoxify, dispel stasis, reduce swelling, and stop bleeding. The plant of the Needle Stonecrop is delicate, with beautiful flowers.

The small emerald green leaves resemble jade, neatly arranged, and pleasing to the eye. It can be potted for appreciation (container planting).

I. Characteristic Features

Sedum lineare

Perennial herb, hairless. Stem height is 10 to 20 centimeters. There are three leaves arranged in a whorl, occasionally with four leaves in a whorl or opposite leaves.

The leaves are linear, 20 to 25 millimeters long, about 2 millimeters wide, bluntly pointed at the tip, sessile at the base, and with short petioles.

The inflorescence is umbel-like, terminal, sparse, 4 to 8 centimeters wide, with a centrally located flower with a short stalk, and 2 to 3 divided branches, often with 2 more divided branches, with sessile flowers.

The sepals are linear-lanceolate, 1.5 to 7 millimeters long, of varying lengths, lacking petioles at times, and sometimes with short petioles, blunt at the tip. The petals are yellow, lanceolate, 4 to 6 millimeters long, sharply pointed at the tip, and slightly narrowed at the base.

There are ten stamens, shorter than the petals. The scales are 5, wedge-shaped to nearly square, 0.5 millimeters long, 0.5 to 0.6 millimeters wide. The carpels are slightly split, 4 to 5 millimeters long, and the pistil is short.

The seeds are small. The flowering period is from April to May, and the fruiting period is from June to July.

II. Distribution Range

Sedum lineare

It grows on the slopes of low mountains or flat grasslands. It is found in Japan.

III. Growth Environment

The Needle Stonecrop is highly adaptable and not choosy about the soil. It can grow on thin substrates. It has strong drought tolerance and cold resistance.

Even when the rooftop temperature reaches 50 to 55 degrees Celsius in the summer, and it doesn’t rain for 20 consecutive days, the plant will not die. In northern China, it grows well in spring, summer, and autumn.

During the severe cold period, the above-ground stems and leaves will wither, entering a dormant period. As soon as the soil thaws the following year, new buds will sprout, and it can cover the ground by early spring.

IV. Growth and Propagation

Sedum lineare

Seeds

Sowing seeds is best done during the rainy season or on cloudy days. It requires a flat terrain, loose soil, and a moist plot that has been plowed. The ridges should not be too large, as it makes the operation inconvenient.

Cut the vigorous stems and leaves into 3-4 centimeters, and evenly sow them within the prepared ridges. The spacing between the sown stems and leaves should be about 1 centimeter.

After covering them with thin soil to a semi-exposed degree, proceed with sprinkling irrigation, keep the soil moist. They will take root within about a week and can then be managed daily.

Cuttings

Cuttings are suitable for summer and autumn. In a flat, loose, and moist plot that has been plowed, make ridges and dig trenches. The trench can be 10-15 centimeters apart.

Cut the vigorous stems and leaves into about 10 centimeters, plant them in the trench, and bury with soil, burying about 3-4 centimeters.

Sedum lineare

After leveling the ground, flood it with water, ensuring sufficient watering. Do this once every 3 days, 2-3 times according to the air and ground temperature.

Division

In spring and summer, cut the stems and leaves into 6-7 centimeter segments, sprinkle them on a plowed and leveled ground. Use a three-tine hoe to lightly hoe the surface of the soil, implanting the stem nodes in a half-buried state into the soil.

Then spray water twice, keep the soil moist. They will root within about a week. The propagation ratio of the plant is 1:20, which means 1 square meter of well-grown plant can propagate to 20 square meters.

V. Main Value

Medicinal

The whole plant is sweet, slightly sour, and cool. It clears heat, detoxifies, reduces swelling, discharges pus, relieves pain, and jaundice. It is used for sore throats, hepatitis, boils, snakebites, herpes zoster, and burns.

Gardening

Pot Plant: The plant is delicate, with beautiful flowers, and its small green leaves are like jade. It is neat and beautiful and can be appreciated as a potted plant (container planting).

Ground Cover: The plant is an excellent ground cover plant. It not only grows fast with a strong expansion ability but also has a crisscross root system that firmly binds with the soil, preventing the topsoil from being washed away by rainwater. It is suitable for use as slope protection grass.

Roof Greening

The plant is a drought-resistant succulent grass species used for roof greening. It uses soilless cultivation, with light load, and can replace the traditional insulation layer and waterproof protection layer.

It has a strong drought resistance, and even in the hot summer, there is no need to water on the dry roof, and the drought-resistant time can be as long as over a month.

The plant can grow well in a 5 centimeter thick substrate on the roof without artificial watering and fertilizing, just relying on natural rainfall.

Even when the temperature drops to -10 degrees Celsius, the substrate and the plant are all frozen together, but they are not frozen to death, only the stems and leaves turn dark brown.

The planting substrate does not need to be too thick, 5 centimeters can meet its growth needs, as a shallow root system net-shaped distribution of grass species, the root system is weak and thin, shallow rooting, planar growth, net-shaped distribution, without the ability to penetrate the waterproof layer, does not damage the roof structure.

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Peggie

Peggie

Founder of FlowersLib

Peggie was once a high school mathematics teacher, but she set aside her chalkboard and textbooks to follow her lifelong passion for flowers. After years of dedication and learning, she not only established a thriving flower shop but also founded this blog, “Flowers Library”. If you have any questions or wish to learn more about flowers, feel free to contact Peggie.

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