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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. [3] The specific epithet perfoliatum means "through the leaf." [4]
It produces single, four-petaled, cup-shaped flowers on the upper leaf axils. These fragrant shell-pink flowers bloom throughout the summer into early autumn. The 4–5 cm (1 + 1 ⁄ 2 –2 in) flowers start out white and turn pink as they age. The flower throats, as well as the stigmas and stamens, have a soft yellow color. It blooms both day ...
Common names Native range Illustration Ranunculus abaensis W. T. Wang = R. indivisus var. abaensis [2] Ranunculus abchasicus Freyn ex Sommier & Levier [3] [4] Ranunculus abnormis Cutanda & Willk. Iberian Peninsula; Ranunculus abortivus L. var. abortivus; var. australis Brandegee; ssp. acrolasius (Fernald) Kapoor & Löve = R. abortivus; var ...
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Buttercups usually flower in the spring, but flowers may be found throughout the summer, especially where the plants are growing as opportunistic colonizers, as in the case of garden weeds. The water crowfoots ( Ranunculus subgenus Batrachium ), which grow in still or running water, are sometimes treated in a separate genus Batrachium (from ...
Here are the best fall flowers and perennials to plant for a long season of blooms. ... Photos from Japan, Asia and othe of the world - Getty Images ... This prairie native has cone-shaped flowers ...
The flowers are protogynous: the pistils mature before the maturation of the anthers to prevent self-fertility. The flower has 5 greenish-yellow sepals that have white hairs on the lower surface. Petals are overlapping and curved-up towards the tip so the flower is cup-shaped. Receptacles bear 50–150 stigmas, which mature over several days.
The flowers generally open at dawn and are yellow. They are usually cup-shaped, thus the common name. Formerly included in Oenothera , the species of Camissonia are distinguished by having a club- or head-shaped stigma , instead of the 4-part-divided stigma of Oenothera or Clarkia .