Euryops Brownei
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''Euryops brownei'' is a woody herb or shrub of high, with yellow flowerheads of both ray and disc florets, and small, narrow leaves, belonging to the
daisy family Asteraceae () is a large family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the order Asterales. The number of species in Asteraceae is rivaled only by the Orchidaceae, and which is the larger fam ...
. The species is native to the highlands of northern
Tanzania Tanzania, officially the United Republic of Tanzania, is a country in East Africa within the African Great Lakes region. It is bordered by Uganda to the northwest; Kenya to the northeast; the Indian Ocean to the east; Mozambique and Malawi to t ...
and central
Kenya Kenya, officially the Republic of Kenya, is a country located in East Africa. With an estimated population of more than 52.4 million as of mid-2024, Kenya is the 27th-most-populous country in the world and the 7th most populous in Africa. ...
.


Description

''Euryops brownei'' is a woody herb or shrub of high.


Stems and leaves

This plant has initially green but eventually blackish stems that show leaf-scars when the bases of the dead leaves have fallen. The light green leaves are set densely along the stem. They do not have a petiole, are linear in shape, long, wide, a little bit narrowed above a wider and membraneous base, entire or with minute saw teeth, with a blunt tip, and a row of short hairs on the margins near the base, otherwise without hair. cited on


Inflorescences and fruits

The plants are rich in flower heads, which stand in the higher leaf axils on their own stem (peduncle) of long, with few hairs or densely woolly. The involucres are woolly at their base, and consist of thirteen to sixteen ovate or ovate-lanceolate bracts of long, fused with each other for the lower half or third, with a blunt or pointy tip, and short hairs at the tip. Each flower head consists of mostly thirteen (full range eleven to twenty one) bright yellow ray florets of 1–1.5 cm (0.4–0.6 in) long and wide on the outside and many yellow disc florets of 2.25–4 mm long. The indehiscent, one-seeded fruits (called cypselas) are oblong in shape, 2.5–4.5 mm (0.10–0.18 in) long, with five to eight ribs, without or with some short hairs, and topped with a pappus that consists of bristles of 1–2.5 mm (0.04–0.1 in) long.


Taxonomy

''Euryops brownei'' was first described by
Spencer Le Marchant Moore Spencer Le Marchant Moore (1 November 1850 – 14 March 1931) was an English botanist. Biography Moore was born in Hampstead. He worked at the Royal Botanic Gardens, Kew, from about 1870 to 1879, wrote a number of botanical papers, and then wor ...
in 1916, based on a plant collected by Browne on Mount Kenya in 1914, now at the
Natural History Museum, London The Natural History Museum in London is a museum that exhibits a vast range of specimens from various segments of natural history. It is one of three major museums on Exhibition Road in South Kensington, the others being the Science Museum (Lo ...
.
Johannes Mattfeld Johannes is a Medieval Latin form of the personal name that usually appears as "John" in English language contexts. It is a variant of the Greek and Classical Latin Classical Latin is the form of Literary Latin recognized as a Literary langua ...
described ''Euryops agrianthoides'' in 1924 based on a collection from
Mount Meru Mount Meru (Sanskrit/Pali: मेरु)—also known as Sumeru, Sineru or Mahāmeru—is a sacred, five-peaked mountain present within Hindu, Jain and Buddhist cosmologies, revered as the centre of all physical, metaphysical and spiritua ...
by Uhlig.
Robert Elias Fries (Klas) Robert Elias Fries (11 July 1876, Uppsala – 29 January 1966, Stockholm), the youngest son of Theodor Magnus Fries (1832–1913) and grandson of Elias Magnus Fries (1794–1878) and an expert on mushrooms. A Swedish botanist who was a m ...
considered a plant he collected in the
Aberdare Range The Aberdare Range (formerly the Sattima Range, Kikuyu: ''Nyandarua'') is a long mountain range of upland, north of Kenya's capital Nairobi with an average elevation of . It straddles the counties of Nyandarua, Nyeri, Murang'a, Kiambu and ...
at Sattima to be sufficiently different to distinguish it as ''Euryops brownei'' subsp. ''aberdarica'' in 1928. All these names are now considered
synonyms A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...
.


Distribution

''Euryops brownei'' is an
endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
of
Mount Elgon Mount Elgon is an extinct shield volcano on the border of Uganda and Kenya, north of Kisumu and west of Kitale. The mountain's highest point, named "Wagagai", is located entirely within Uganda.
, Cherangani, the
Aberdare Range The Aberdare Range (formerly the Sattima Range, Kikuyu: ''Nyandarua'') is a long mountain range of upland, north of Kenya's capital Nairobi with an average elevation of . It straddles the counties of Nyandarua, Nyeri, Murang'a, Kiambu and ...
,
Mount Kenya Mount Kenya (Meru people, Meru: ''Kĩrĩmaara,'' Kikuyu people, Kikuyu: ''Kĩrĩnyaga'', Kamba language, Kamba: ''Ki nyaa'', Embu language, Embu: ''Kĩ nyaga'') is an extinct volcano in Kenya and the Highest mountain peaks of Africa, second-highe ...
and
Mount Meru Mount Meru (Sanskrit/Pali: मेरु)—also known as Sumeru, Sineru or Mahāmeru—is a sacred, five-peaked mountain present within Hindu, Jain and Buddhist cosmologies, revered as the centre of all physical, metaphysical and spiritua ...
, where it usually grows at altitudes between , but occasionally can be found as low as .


Ecology

''Euryops brownei'' can amongst elsewhere be found in the lower alpine zone of Mount Kenya, where it grows together with the shrubs '' Adenocarpus mannii'', '' Anthospermum usambarense'', '' Helichrysum chionoides'', '' Phillippia excelsa'', '' Protea kilimandscharica'' and '' Struthiola thomsonii'', grasses ''
Deschampsia flexuosa ''Avenella flexuosa'', commonly known as wavy hair-grass, is a species of bunchgrass in the grass family widely distributed in Eurasia, Africa, South America, and North America. Description Wavy hair-grass, ''Avenella flexuosa'', has wiry leaves ...
'' and '' Pentaschistis minor'', herbs '' Dierama cupuliflorum'', '' Gladiolus watsonioides'', '' Alepidea massaica'', among others.


References

{{Taxonbar, from=Q15600802 brownei Flora of East Tropical Africa Plants described in 1916