''Rhododendron leptothrium'' (薄叶马银花) is a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

in the family

Ericaceae The Ericaceae are a family of flowering plants, commonly known as the heath or heather family, found most commonly in acidic and infertile growing conditions. The family is large, with c.4250 known species spread across 124 genera, making it th ...

. It is native to

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...

and southwestern

Sichuan Sichuan (; zh, c=, labels=no, ; zh, p=Sìchuān; alternatively romanized as Szechuan or Szechwan; formerly also referred to as "West China" or "Western China" by Protestant missions) is a province in Southwest China occupying most of th ...

, southeastern

Xizang The Tibet Autonomous Region or Xizang Autonomous Region, often shortened to Tibet or Xizang, is a province-level autonomous region of the People's Republic of China in Southwest China. It was overlayed on the traditional Tibetan regions of � ...

, and western

Yunnan Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the ...

, China, where it grows at altitudes of . This

evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...

shrub or small tree grows to in height, with leaves that are

lanceolate The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regula ...

or oblong-lanceolate, 4–12 by 1.8–3.5 cm in size. The flowers are pale rose to magenta-purple. It is a fairly

tender Tender may refer to: Entertainment Film * ''Illegal Tender'' (2007), a film directed by Franc. Reyes * ''Tender'' (2012), a short film by Liz Tomkins * ''Tender'' (2019), a short film by Darryl Jones and Anthony Lucido * ''Tender'' (2019), a sh ...

species, not tolerating freezing conditions; and therefore of limited interest for cultivation purposes in

temperate climate In geography, the temperate climates of Earth occur in the middle latitudes (23.5° to 66.5° N/S of Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ranges throughout ...

References

* "''Rhododendron leptothrium''", I. B. Balfour & Forrest, ''Notes Roy. Bot. Gard. Edinburgh''. 11: 84. 1919.

leptothrium ''Leptothrium'' is a genus of African, Asian, and Neotropical plants in the grass family. ; Species * '' Leptothrium rigidum'' Kunth - Jamaica, Hispaniola, Colombia, Venezuela * '' Leptothrium senegalense'' (Kunth) Clayton - Africa from ...

Taxa named by Isaac Bayley Balfour Taxa named by George Forrest (botanist) {{Ericaceae-stub