double blossom

double blossom

[¦dəb·əl ′bläs·əm]
(plant pathology)
A fungus disease of dewberry and blackberry caused by Fusarium rubi and characterized by witches'-brooms and enlargement and malformation of the flowers.
References in periodicals archive ?
The name 'Kwanzan' comes from the Chinese character that represents a sacred mountaln, and the 'Kwanzan' variety of Prunus serrulata is one of the showiest Japanese cherries with clusters of large, deep pink double blossoms up to 2 1/2 inches long, each with 30 petals.
Madame Alfred Carriere': 15 to 20 feet; white double blossoms with pink blush at centers; musk fragrance.
Indeed, one could build an entire spring garden from the early, midseason and late blooming daffodils, and you can include those that are single-colored, those bicolored and those with double blossoms.
Zary of Thousand Oaks also is scheduled to pick up 2000 AARS award this summer for Gemini, a hybrid tea with large double blossoms of coral, pink and cream that should be available to home gardeners in December.
In the fall, there are perennial Japanese anemones with single and double blossoms.
Or how about a rambling rose to cover that wall, such as Paul's Himalayan Musk, with small pink double blossoms or Kiftsgate, which has large thorns and plenty of fragrant white flowers?
The night-blooming variety unfurls its single or double blossoms at dusk, illuminating the ponds like glowing nightlights.
Fully double blossoms are creamy white tinged with lavender pink; faint scent; 8 to 10 feet.
Slightly fragrant pure white double blossoms open in large clusters.