''Primula alpicola'', the moonlight primrose, is a species of ''

Primula ''Primula'' () is a genus of herbaceous flowering plants in the family Primulaceae. They include the primrose ('' P. vulgaris''), a familiar wildflower of banks and verges. Other common species are '' P. auricula'' (auricula), '' P. veris'' (cow ...

'' native to

Bhutan Bhutan (; dz, འབྲུག་ཡུལ་, Druk Yul ), officially the Kingdom of Bhutan,), is a landlocked country in South Asia. It is situated in the Eastern Himalayas, between China in the north and India in the south. A mountainous ...

and southeastern

Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...

, where it grows in vast numbers along the Tsangpo valley alongside ''

Primula florindae ''Primula florindae'', the Tibetan cowslip or giant cowslip, is a species of flowering plant in the family Primulaceae, native to southeastern Tibet, where it grows in huge numbers close to rivers such as the Tsangpo. It is a substantial herbace ...

''. Their habitats hardly ever overlap; ''P. florindae'' prefers wetter soils close to rivers, giving way to ''P. alpicola'' on drier sites. It was first collected for western horticulture in 1926 by

Frank Kingdon-Ward Francis Kingdon-Ward, born Francis Kingdon Ward OBE, (6 November 1885 in Manchester – 8 April 1958) was an English botanist, explorer, plant collector and author. He published most of his books as Frank Kingdon-Ward and this hyphenated for ...

, and was described as a variety of ''

Primula microdonta ''Primula'' () is a genus of herbaceous flowering plants in the family Primulaceae. They include the primrose ('' P. vulgaris''), a familiar wildflower of banks and verges. Other common species are '' P. auricula'' (auricula), '' P. veris'' (cow ...

'' by

William Wright Smith Sir William Wright Smith FRS FRSE FLS VMH LLD (2 February 1875 Lochmaben, Dumfriesshire – 15 December 1956) was a Scottish botanist and horticulturalist. Life He was born at Parkend farm near Lochmaben in Dumfriesshire, the son of James T. ...

, but later raised to a distinct species by Otto Stapf. It grows to 15–50 cm (rarely to 1 m) tall with many bell-shaped

flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...

s. The flowers can be in several colours, white, cream, yellow and shades of purple. These are sometimes referred to as varieties, such as var. ''violacea''; however there is some considerable inconsistency in the naming. Kingdon-Ward gave it the temporary name "Joseph's Sikkimensis" after Joseph's coat of many colours. This plant is hardy in most of the UK and is available from specialist and larger

garden centre A garden centre (Commonwealth English spelling; U.S. nursery or garden center) is a retail operation that sells plants and related products for the domestic garden as its primary business. It is a development from the concept of the retail plant n ...

s. It has gained the

Royal Horticultural Society The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity. The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (Nort ...

’s

Award of Garden Merit The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions. History The Award of Garden Merit ...

References

Germplasm Resources Information Network: ''Primula alpicola''
{{Taxonbar, from=Q7243687 alpicola Flora of Bhutan Flora of Tibet