''Buddleja bhutanica'' is a species of flowering shrub
endemic to
Bhutan, where it grows in bush on mountain slopes at elevations around 1,700 m.
[Stuart, D. (2006). ''Buddlejas''. RHS Plant Collector Guide. Timber Press, Oregon, USA. ] The shrub was first described and named by
Yamazaki in 1971.
[Yamazaki, T. (1971) ''Journ. Jap. Bot.'' 46: 49. 1971.]
Description
''Buddleja bhutanica'' is a
deciduous shrub
A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...
1.5–2 m in height, very similar to
''B. asiatica'' but distinguished by its
perfoliate leaves. The branchlets are terete and
glabrous, bearing opposite leaves,
connate-perfoliate and narrowly
oblong, 6–16 cm long by 3–8 cm wide,
glabrous above and below, the margins
serrate or
entire. The white, very fragrant
inflorescences comprise terminal
panicle
A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are of ...
s, 8–17 cm long by 3–8 cm wide, the
corollas 4.5–5.5 mm long.
[Leeuwenberg, A. J. M. (1979) ''The Loganiaceae of Africa XVIII Buddleja L. II, Revision of the African & Asiatic species''. H. Veenman & Zonen, Wageningen, Nederland]
Cultivation
''Buddleja bhutanica'' is not hardy in the
UK; attempts at introduction, at the
Chelsea Physic Garden and the
Teignmouth Orangery, both failed.
Hardiness:
USDA zone 9.
[
]
References
*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.
online at www.efloras.org
{{Taxonbar, from=Q4984423
bhutanica
Endemic flora of Bhutan