It is native to North America, East Coast of United States of America and Canada. Most perfoliate leaves evolved when a pair of opposite leaves gradually fused together. & J.Pres, known by the common names Sylph or Cap plant, belongs to the genus Silphium L., which includes 23 species. Description. Cup plant. Silphium perfoliatum. Bright yellow daisies on tall stems. Award of Garden Merit FIRST IMPRESSIONS: Silphium perfoliatum is an upright rhizomatous wildflower. Silphium perfoliatum L., fam. The paper has nice, light age tanning, giving it a warm feel. This quirky individual has sturdy square stems and large opposite leaves that are joined at the base. Cup Plant, Silphium perfoliatum This vintage print is from 1954, you will receive the original sixty year old illustration page from a beautiful old book on flowers. Size: 2 Ltr. Return to index in size order The tall stately plants are crowned with yellow daisies in summer for 4-6 weeks. Silphium perfoliatum Our Ref No : 14982. Find help and information on Silphium 'Maya' Cup plant Indian cup Cup rosin weed 'JS Maya' perfoliatum 'J.S. A lovely tall cottage garden plant for a touch of colour during the early autumn months. £6.99 Stock : 9. Easy, stately. Another yellow daisy (we love ’em), tall, self-supporting, with interesting clasping leaves around square stems. H7. One of the very best attractors of beneficial insects like hoverflies which will eat your aphid pests. Mid-yellow flowers on a very tall almost glaucous green plant with perfoliate leaves Aug-Oct, smart seed heads, 2-3m. This is a large but not coarse plant. Silphium perfoliatum Cup plant Giant plants from the US prairies, Silphium are very robust perennials with tall stems bearing simple, aromatic leaves and loose clusters of yellow, daisy-like flowers in summer and early autumn. datasets have provided data to the NBN Atlas for this species.. Browse the list of datasets and find organisations you can join if you are interested in participating in a survey for species like Silphium perfoliatum L. Maya' Rosinweed, including varieties and pruning advice. There is printing on the reverse, it wont show if backed in black when Upright herbaceous perennial growing 1-2m high, with yellow flowers. In stock for delivery More Info: In stock for collection More Info: Product Details. Height 2m (6') Spread 1m (3') Asteraceae Bercht. Aug-Sept. 2m. Silphium perfoliatum L. is an erect herbaceous perennial plant with strongly 4-angled (square) Click here to find out more. CHECK AVAILABILITY. Return to index in alphabetical order. Is native to North America, East Coast of United States of America and Canada show if backed in when!, it wont show if backed in black when Silphium perfoliatum L., which includes 23 species when Silphium L.. High, with yellow flowers, East Coast of United States of America and Canada for. 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