Feb 8, 2022 · Leaf cupping may indicate diseases, insect feeding, or physiological factors. When fungal diseases take hold, they often block the flow of water and nutrients through the vascular bundle. Armillaria root rot causes leaves to cup downward. Eutypa dieback also causes cupping. Aphid and thrips feeding can result in leaf cupping.

This leafcup is a species of usually moist, shady forest on calcareous soils. The plant may be annual or perennial. If perennial, seedlings often produce large leaves the year before flowering (see photo to the right).

Leaf stalks are hairy and up to 4 inches long. Stems are erect, branched in the upper plant, densely hairy and often glandular. Fruit is a dry seed without a tuft of hairs. Leafcup reaches the northwest tip of its range in Minnesota and is a plant of damp, shady woodlands and ravines.

Sep 28, 2022 · Known for their yellow blooms, coarse leaves, and super long stems, cup plants attract butterflies, birds, bees, and other beneficial insects throughout the growing season, or July through September.

Polymnia canadensis, commonly called small-flowered leaf cup, whiteflower leaf cup or Canadian leaf cup, is a rough-hairy branching perennial that is native primarily to woodland areas with calcareous soils from New England, southern Canada …

The large lobed leaves cup the stem giving it the common name of hairy leafcup and the shape of the leaf gives it the name of bear's foot. In mid-summer into early fall, it produces many yellow flower heads that attract several types of pollinators.

Leaf-Cup Polymnia canadensis Aster family (Asteraceae) Description: This herbaceous plant is about 1½–4½' tall, branching occasionally. It is a biennial or short-lived perennial. The erect to ascending stems are light green to dull reddish brown, …

White-flowered leaf-cup is rare in New England, with only a few populations present in Connecticut and Vermont. It is most frequently found on calcareous soils in dry to moist woodland slopes. The genus is named after the ancient Greek goddess Polymnia, daughter of Zeus and one of the nine Muses.

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Jul 30, 2024 · Leaf cups are eco-friendly alternatives to plastic cups, made from natural materials. They are biodegradable and compostable, breaking down without harming the environment. Leaf cups are safe for health and free from harmful chemicals found in some plastics.

Silphium perfoliatum, the cup plant [2] or cup-plant, is a species of flowering plant in the family Asteraceae, native to eastern and central North America. It is an erect herbaceous perennial with triangular toothed leaves, and daisy-like yellow composite flower heads in summer.

Two upper leaves surround the flower stalk, forming a shallow cup that will hold water which attracts birds. Large, rough, deeply pinnatified leaves, coarsely toothed lower leaves contract into a winged stalk.

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Aug 2, 2022 · White-flowered leafcup is a large but little-known woodland wildflower. It occurs in the United States from Vermont to Georgia, west to Minnesota and Oklahoma, and in southern Ontario Canada. In Minnesota it is mostly restricted to the southeast corner of the state, where it reaches the northwest extent of its range.

Cup plant is a large native species that can grow up to 8 feet tall and produces large, yellow, daisylike flowers from midsummer to early fall. It has unique cupped leaves that surround square stems. Cup plant is a great addition to wildflower gardens, native gardens, cottage gardens, beds, and borders with well-drained soils in full sun.

Use as a focal point in perennial gardens, native plant gardens and in prairies and moist areas. Grow in full sun. Adaptable and highly aggressive, clump-forming. This plant is distinguished from other Silphiums by its square stems and pairs of cup-forming leaves that hold water.

Its common name (Cup Plant) comes from the characteristic where two large leaves join together at its thick stalk, forming a cup. This cup can hold rainwater, and is thought to possibly be an evolutionary trap for insects trying to climb the plant to eat the flowers.

The large opposite leaves are up to 8" long and 5" across, which join together around the central stem to form a cup that can hold water, hence the name of the plant. These leaves are broadly lanceolate to cordate, coarsely toothed, and have a rough, sandpapery texture.

Silphium perfoliatum, commonly called cup plant, is a coarse, sunflower-like, Missouri native plant which occurs in open, low woods and thickets, wet meadows and prairies, stream/pond peripheries and along railroad tracks in the Midwest and portions of the southern United States.