''Lactarius chromospermus'' is a tropical African member of the large

milk-cap Milk-cap (also milk cap, milkcap, or milky) is a common name that refers to mushroom-forming fungi of the genera '' Lactarius'', ''Lactifluus'', and ''Multifurca'', all in the family Russulaceae. The common and eponymous feature of their fruit ...

genus ''

Lactarius ''Lactarius'' is a genus of mushroom-producing, ectomycorrhizal fungi, containing several edible species. The species of the genus, commonly known as milk-caps, are characterized by the milky fluid ("latex") they exude when cut or damaged. Like ...

'' in the family

Russulaceae The Russulaceae are a diverse family of fungi in the order Russulales, with roughly 1,900 known species and a worldwide distribution. They comprise the brittlegills and the milk-caps, well-known mushroom-forming fungi that include some edible ...

, first described scientifically by

David Pegler David Norman Pegler (born 2 November 1938) is a British mycologist. Until his retirement in 1998, he served as the Head of Mycology and assistant keeper of the herbarium at the Royal Botanic Gardens in Kew. Pegler received his BSc from London Univ ...

in 1982. The species is unique both in the genus ''Lactarius'' and the family Russulaceae in having a chocolate brown

spore print 300px, Making a spore print of the mushroom ''Volvariella volvacea'' shown in composite: (photo lower half) mushroom cap laid on white and dark paper; (photo upper half) cap removed after 24 hours showing pinkish-tan spore print. A 3.5-centimeter ...

, which also gives the gills a brown colour and lets the fungus resemble species of the genus ''

Agaricus ''Agaricus'' is a genus of mushrooms containing both edible and poisonous species, with over 400 members worldwide and possibly again as many disputed or newly-discovered species. The genus includes the common ("button") mushroom (''Agaricus bisp ...

''. These distinct features might justify placing the species in its own section or subgenus within ''Lactarius''. ''Lactarius chromospermus'' is found in

Miombo The Miombo woodland is a tropical and subtropical grasslands, savannas, and shrublands biome (in the World Wide Fund for Nature scheme) located primarily in Central Africa. It includes four woodland savanna ecoregions (listed below) characterized b ...

woodland, where it probably forms

ectomycorrhiza An ectomycorrhiza (from Greek ἐκτός ', "outside", μύκης ', "fungus", and ῥίζα ', "root"; pl. ectomycorrhizas or ectomycorrhizae, abbreviated EcM) is a form of symbiotic relationship that occurs between a fungal symbiont, or mycobi ...

with legumes of the genus ''

Brachystegia ''Brachystegia'' is a genus of tree of the subfamily Detarioideae that is native to tropical Africa. Trees of the genus are commonly known as miombo, and are dominant in the miombo woodlands of central and southern tropical Africa. The Zambezian ...

''. It seems to be a rare species; apart from the original collection made in

Zambia Zambia (), officially the Republic of Zambia, is a landlocked country at the crossroads of Central Africa, Central, Southern Africa, Southern and East Africa, although it is typically referred to as being in Southern Africa at its most cent ...

, it has also been found in

Burundi Burundi (, ), officially the Republic of Burundi ( rn, Repuburika y’Uburundi ; Swahili language, Swahili: ''Jamuhuri ya Burundi''; French language, French: ''République du Burundi'' ), is a landlocked country in the Great Rift Valley at the ...

and

Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and ...

. ''Lactarius chromospermus'' is not regarded as edible species: In

Kirundi Kirundi, also known as Rundi, is a Bantu language spoken by some 9 million people in Burundi and adjacent parts of Rwanda, Tanzania, the Democratic Republic of the Congo, Uganda, as well as in Kenya. It is the official language of Burundi. Kiru ...

, it is known as ''isigazi'', a collective name used for inedible mushrooms.

References

External links

* * (with illustrations and detailed description)
Kew Gardens: Species description and photograph
chromospermus Fungi described in 1982 Fungi of Africa {{Russulales-stub

See also

References

External links