Buddleja crispa

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Buddleja crispa
Buddleja crispa inflorescence.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Scrophulariaceae
Genus: Buddleja
Species: B. crispa
Binomial name
Buddleja crispa
  • Buddleja acosma Marquand
  • Buddleja agathosma Diels
  • Buddleja agathosma var. glandulifera Marquand
  • Buddleja caryopteridifolia W. W. Sm.
  • Buddleja caryopteridifolia var. eremophila (W. W. Sm.) Marquand
  • Buddleja caryopteridifolia var. lanuginosa Marquand
  • Buddleja crispa var. farreri (Balf. f. et W. W. Sm.) Hand. - Mazz.
  • Buddleja eremophila W. W. Sm.
  • Buddleja farreri Balf. f. et W. W. Sm.
  • Buddleja hastata Prain ex Marquand
  • Buddleja incompta W. W. Sm.
  • Buddleja praecox Lingelsh.
  • Buddleja sterniana A. D. Cotton
  • Buddleja tibetica W. W. Sm.
  • Buddleja tibetica var. farreri (Balf. f. et W. W. Sm.) Marquand
  • Buddleja tibetica var. glandulifera Marquand
  • Buddleja tibetica var. grandiflora Marquand
  • Buddleja tibetica var. truncatifolia (Lévl.) Marquand
  • Buddleja truncata Gagnep.
  • Buddleja truncatifolia Lévl.

Buddleja crispa, sometimes called the Himalayan butterfly bush, is native to Afghanistan, Bhutan, North India, Nepal, Pakistan and China (Gansu, Sichuan, Xizang), where it grows on dry river beds, slopes with boulders, exposed cliffs, and in thickets, at elevations of 1400–4300 m.[1] Named by Bentham in 1835, B. crispa was introduced to cultivation in 1850,[2] and came to be considered one of the more attractive species within the genus; it ranked 8th out of 57 species and cultivars in a public poll organized by the Center for Applied Nursery Research (CANR) at the University of Georgia, USA.[3] [1]. In the UK, B. crispa was accorded the Royal Horticultural Society's Award of Merit in 1961.[4] However, the species is not entirely cold-hardy, and thus its popularity is not as ubiquitous as it might otherwise be.

Buddleja crispa, after Leeuwenberg[edit]

In his 1979 revision of the taxonomy of the African and Asiatic species of Buddleja, the Dutch botanist Toon Leeuwenberg sank five Chinese species as B. crispa on the basis of the similarity in the individual flowers, dismissing the wide ranges in size of both inflorescence and leaf as attributable to environmental factors.[5] It was Leeuwenberg's taxonomy which was adopted in the Flora of China[1] published in 1996. The five former species, still widely recognized in horticulture, are: Buddleja agathosma, Buddleja caryopteridifolia, Buddleja farreri, Buddleja sterniana, and Buddleja tibetica.


B. crispa foliage.

The 'original' B. crispa as known to horticulture, cloned from a plant grown at Aldenham, England (see Cultivation), is a comparatively slow growing deciduous shrub of bushy habit, reaching 3.5 m high, more in spread.[6] Young twigs and both sides of the leaves are covered with a white or tawny loose felt. The leaves are ovate-lanceolate, 5–12 cm long by 2.0–4.5 cm wide, with petioles 0,6–2,5 cm. The shrub flowers from February to August.[7] The fragrant flowers form terminal panicles 7–10 cm long by 5 cm wide. The corolla is lilac, with an orange throat.[8] Ploidy 2n = 38 (diploid).[9]

The former species sunk by Leeuwenberg, as listed in the preceding section, have, with the exception of "B. sterniana", inflorescences of varying density < 12  cm long, complemented by leaves of variable size and shape, often covered in a dense white tomentum when young. The exception, "B. sterniana", has markedly smaller inflorescences and leaves < 6  cm long.


Buddleja crispa needs a well-drained soil and full sun; Bean states that it is at its best when grown on a wall.[10] Most if not all the specimens in commerce in the UK derive from a plant in the Aldenham collection amassed by Vicary Gibbs.[11] Hardiness: USDA zones 8–9.[2]

Notable specimens[edit]

A particularly tall example of tree-like form > 4.5 m high is grown near an entrance to the grassland and aquatic gardens at the Royal Botanic Gardens, Kew [2]



  1. ^ a b Li, P. T. & Leeuwenberg, A. J. M. (1996). Loganiaceae, in Wu, Z. & Raven, P. (eds) Flora of China, Vol. 15. Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis, USA. ISBN 978-0915279371 online at www.efloras.org
  2. ^ a b c Stuart, D. (2006). Buddlejas. RHS Plant Collector Guide. Timber Press, Oregon, USA. ISBN 978-0-88192-688-0
  3. ^ Gillman, J., Dirr, M. A. & Braman, K. (1997). Evaluation and selection of superior Buddleja taxa for Georgia nurseries and gardens. Center for Applied Nursery Research, Dearing, Georgia, USA.
  4. ^ Hillier & Sons. (1990). Hillier's Manual of Trees & Shrubs, 5th ed.. p. 47. David & Charles, Newton Abbot.
  5. ^ Leeuwenberg, A. J. M. (1979) The Loganiaceae of Africa XVIII Buddleja L. II, Revision of the African & Asiatic species. H. Veenman & Zonen B. V., Wageningen, Nederland.
  6. ^ Bean 1976, vol 1, p. 450. The Flora of China gives a height of up to 5 m.
  7. ^ Flora of China; Bean says June or later; Krüssmann 1984, vol I, p. 242 says July - August; Hillier 1990, p. 47 says late summer; Phillips 1989, p. 209 says: flowers in spring - often before the leaves expand - if not pruned; summer to autumn if pruned in spring."
  8. ^ A. Mehra et al., Occurrence of Chilli veinal mottle virus in Himalayan butterfly bush (Buddleja crispa) accessed 21 November 2007
  9. ^ Chen, G, Sun, W-B, & Sun, H. (2007). Ploidy variation in Buddleja L. (Buddlejaceae) in the Sino - Himalayan region and its biogeographical implications. Botanical Journal of the Linnean Society. 2007, 154, 305 – 312. The Linnean Society of London.
  10. ^ Bean shows a b/w-photo (Plate 23) of a beautiful plant, indeed growing against a wall
  11. ^ Bean, W. J. (1914). Trees and shrubs hardy in the British Isles. Eighth edition, revised by D. L. Clarke, 1989. Vol. 1, A-C. Murray, London.
  12. ^ images: at Modeste Herwig's Photo Website and at Tuinkrant


  • Bean, W. J. (1970). Trees & Shrubs Hardy in the British Isles, 8th ed., Vol. 1.. (2nd impression 1976) London
  • Hillier & Sons. (1990). Hillier's Manual of Trees & Shrubs, 5th ed.. David & Charles, Newton Abbot.
  • Krüssmann, G. (1984). Manual of Cultivated Broad-leaved Trees & Shrubs, Vol. 1. Engl. transl. London, 1984.
  • Phillips, R. & Rix, M. (1989). Shrubs, Pan Books, London.
  • Stuart, D. (2006). Buddlejas. Timber Press, Oregon, USA. ISBN 978-0-88192-688-0