Buddleja myriantha

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.[1] The species was first described and named by Diels in 1912.[2]

Buddleja myriantha
Inflorescence of Buddleja myriantha from Yunnan
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Scrophulariaceae
Genus: Buddleja
Species:
B. myriantha
Binomial name
Buddleja myriantha
Synonyms
  • Buddleja adenantha Diels
  • Buddleja duclouxii Marquand

Description

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.[1] 2n = 76.[3]

Buddleja myriantha most closely resembles Buddleja albiflora, and it can be distinguished by its four-angled stems and tomentose exterior to the corolla tube.[1]

Cultivation

Buddleja myriantha is grown in the UK. A specimen is grown at the Royal Botanic Gardens Edinburgh.[4]


Suppliers

The shrub is purportedly in commerce in the UK and beyond, although the plants in question are not believed to be B. myriantha.

References
  1. Leeuwenberg, A. J. M. (1979) The Loganiaceae of Africa XVIII Buddleja L. II, Revision of the African & Asiatic species. H. Veenman & Zonen, Wageningen, Nederland.
  2. Diels, L. (1912). Notes Roy. Bot. Gard. Edinb. 5: 250. 1912.
  3. 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.
  4. "Catalogue of Living collections". rbge.org.uk. Royal Botanic Garden Edinburgh. Retrieved 15 August 2020.
  • 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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