Wakefield, West Yorkshire, England
Richard L. Brook, Angleterre, Royaume UniGiven on the recommendation of Committees to plants of outstanding excellence for garden decoration or use (whether for open garden or under glass). The award is only given following a period of assessment. Assessment can take place in one or more of the following ways: 1) Trials at one of the Society’s Gardens or at some other venue; 2) Visits to specialist collections; 3) Round-table discussions drawing on the collective expertise and experience of Committee members, with the opportunity to call on further specialists when necessary.
Awarded by the Royal Horticultural Society in 2001.


Awarded by the American Daffodil Society in 1999.


Fls 2-3 per stem, 65 mm wide, shining greenish yellow; perianth segments broadly ovate, blunt, becoming paler in tone with maturity, with slight white mucro, spreading or a little reflexed, plane, with margins a little incurling, smooth, with midrib showing, overlapping one-third to a half; corona split to two-thirds its length, the six segments one-third to a half as long as the perianth segments and opposite and closely overlying them, bi-lobed, becoming deeper in tone with maturity, with shades of honey yellow at base, rim entire or irregularly crenate.
Tripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Michael Baxter, AngleterreTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Graham J. Phillips, Nouvelle-ZélandeTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: U.S. National Arboretum, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Bob Isaak, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Coleen Toone, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Coleen Toone, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Tom Stettner, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Theodore E. Snazelle, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Ron Tyrrell, Nouvelle-ZélandeTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Ralph Sowell, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Mark Smyth, Irlande du NordTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: John E. Colley, AngleterreTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Kirby Fong, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Theodore E. Snazelle, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Hein Meeuwissen, Pays-basTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Mary Durtschi, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Tom Stettner, Etats-UnisTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Tony James, AngleterreTripartite, 11a Y-Y, Richard L. Brook, Angleterre, 1980, Angleterre
Photo: Ben Blake, Etats-Unis