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B. delavayi spring inflorescence. Buddleja delavayi is a deciduous shrub or small tree growing 2 – 6 m high by up to 3 m wide. The young branches and shoots are rounded, bearing elliptic leaves 1.5 – 6 cm long, usually with short < 4 mm petioles, the margins either serrate or entire.
When pruning injures or removes the branch collar, the trunk xylem above and below the cut is rapidly infected by the microorganisms inhabiting the wood and decay of the plant occurs. [ 1 ] Optimal pruning is carried out by cutting with respect to the perimeter of the branch collar and cutting adjacent to it. [ 1 ]
Buddleja asiatica is a somewhat tender deciduous shrub native to a vast area of the East Indies, including India, Nepal, Bangladesh, China, Taiwan, Burma, Thailand, Laos, Cambodia, Vietnam, Malaysia, New Guinea, and the Philippines, growing in open woodland at elevations < 2,800 m either as understorey scrub, or as a small tree. [1]
Buddleja officinalis is a deciduous early-spring flowering shrub native to west Hubei, Sichuan, and Yunnan provinces in China. [1] Discovered in 1875 by Pavel Piasetski, [2] a surgeon in the Russian army, B. officinalis was named and described by Maximowicz in 1880.
Buddleja japonica grows to < 1.5 m in height in the wild, open in habit and sparsely branched. The branches are tetragonous and winged. The leaves are narrowly lanceolate, < 20 cm long by < 5 cm wide, the upper surface dark green and glabrous, the underside tawny felted.
The Chelsea Chop is a pruning method by which you limit the size and control the flowering season of many herbaceous plants. Here's what else to know. Skip to main content. 24/7 Help. For premium ...
B. salviifolia, white form.Longstock Park Nursery. Buddleja salviifolia is a large, semi-evergreen shrub, multi-stemmed, with untidy, drooping branches, typically reaching a height of 4 – 8 m.
Buddleja crispa, the Himalayan butterfly bush, [1] is a deciduous shrub native to Afghanistan, Bhutan, North India, Nepal, Pakistan and China (Gansu, Sichuan, Tibetan Autonomous Region), where it grows on dry river beds, slopes with boulders, exposed cliffs, and in thickets, at elevations of 1400–4300 m. [2]