Buddleja myriantha is a species endemic to upper Burma and western China, including Tibet, where it grows along forest edges, thickets and streams at altitudes of 2,000 – 3,200 m. The species was first described and named by Diels in 1912.
Buddleja myriantha is deciduous shrub growing 1 – 3 m in height, with subquadrangular, glabrescent branchlets bearing opposite leaves, 5 – 20 cm long by 0.9 – 6 cm wide, narrowly elliptic, acuminate at the apex, cuneate or decurrent at the base, the margins serrate or entire. The often fragrant inflorescences are slender, thyrsoid, almost cylindrical, 6 – 22 cm long by 1.2 – 3 cm wide. The colour of the flowers ranges from purple through violet, to white. The corollas are 5 – 7 mm long. 2n = 38.
Buddleja myriantha is grown in the UK, usually under glass although it is reputedly hardy to - 12° C. A specimen is grown as part of the NCCPG national collection at Longstock Park Nursery, near Stockbridge.
- Leeuwenberg, A. J. M. (1979) The Loganiaceae of Africa XVIII Buddleja L. II, Revision of the African & Asiatic species. H. Veenman & Zonen, Wageningen, Nederland.
- Diels, L. (1912). Notes Roy. Bot. Gard. Edinb. 5: 250. 1912.
- 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.
- Stuart, D. (2006) Buddlejas. Royal Horticultural Society Plant Collector Guide. Timber Press, Oregon. ISBN 9780881926880.
- 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
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