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''Podocarpus latifolius'' (real yellowwood, broad-leaved yellowwood, or South African yellowwood, , , , ) is a large
evergreen In botany, an evergreen is a plant which has Leaf, foliage that remains green and functional throughout the year. This contrasts with deciduous plants, which lose their foliage completely during the winter or dry season. Consisting of many diffe ...
tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only ...
up to 35 m high and 3 m trunk diameter, in the
conifer Conifers () are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a sin ...
family
Podocarpaceae Podocarpaceae is a large family of mainly southern hemisphere conifers, known in English as podocarps, comprising about 156 species of evergreen trees and shrubs.James E. Eckenwalder. 2009. ''Conifers of the World''. Portland, Oregon: Timber Pres ...
; it is the
type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...
of the genus ''
Podocarpus ''Podocarpus'' () is a genus of conifers, the most numerous and widely distributed of the podocarp family, the Podocarpaceae. ''Podocarpus'' species are evergreen shrubs or trees, usually from tall, known to reach at times. The cones have ...
''. The real yellowwood has been declared the national tree of
South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...
and is protected there.


Appearance

The real yellowwood is a large evergreen tree that grows up to 30 meters in height. It grows relatively slowly but forms a wood of exceptional quality. The
leaves A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, ...
are strap-shaped, 25–40 mm long on mature trees or up to 100 mm long on young trees, and 6–12 mm broad, with a bluntly pointed tip. The species name ''"latifolius"'' is Latin for "broad-leaved". The bright-coloured foliage of new growth stands out against the dark leaves of mature foliage. The cones of this
dioecious Dioecy ( ; ; adj. dioecious, ) is a characteristic of certain species that have distinct unisexual individuals, each producing either male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproduction is ...
tree are berry-like, with a single (rarely two) 7–11 mm
seed In botany, a seed is a plant structure containing an embryo and stored nutrients in a protective coat called a ''testa''. More generally, the term "seed" means anything that can be Sowing, sown, which may include seed and husk or tuber. Seeds ...
apical on an 8–14 mm pink-purple
aril An aril (), also called arillus, is a specialized outgrowth from a seed that partly or completely covers the seed. An arillode, or false aril, is sometimes distinguished: whereas an aril grows from the attachment point of the seed to the ova ...
; the aril is edible and sweet. The male (
pollen Pollen is a powdery substance produced by most types of flowers of seed plants for the purpose of sexual reproduction. It consists of pollen grains (highly reduced Gametophyte#Heterospory, microgametophytes), which produce male gametes (sperm ...
) cones are 10–30 mm long.


Distribution

It is native to the moister southern and eastern areas of
South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...
, from coastal areas of the
Western Cape The Western Cape ( ; , ) is a provinces of South Africa, province of South Africa, situated on the south-western coast of the country. It is the List of South African provinces by area, fourth largest of the nine provinces with an area of , an ...
east to
KwaZulu-Natal KwaZulu-Natal (, also referred to as KZN) is a Provinces of South Africa, province of South Africa that was created in 1994 when the government merged the Zulu people, Zulu bantustan of KwaZulu ("Place of the Zulu" in Zulu language, Zulu) and ...
and north to eastern
Limpopo Limpopo () is the northernmost Provinces of South Africa, province of South Africa. It is named after the Limpopo River, which forms the province's western and northern borders. The term Limpopo is derived from Rivombo (Livombo/Lebombo), a ...
. Pockets are naturally found further north in and around Zimbabwe. It is commonly found in afro-temperate
forests A forest is an ecosystem characterized by a dense community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological functio ...
and often in mountainous areas. In harsh or exposed areas it tends to become stunted, small and dense.


Ecology

''Podocarpus latifolius'' is the preferred phorophyte species of '' Solenangis conica'', an epiphytic orchid.Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2023). Flora of Malawi: Species information: ''Solenangis conica''. Retrieved March 15, 2023, from https://www.malawiflora.com/speciesdata/species.php?species_id=118960


Human usage

It is a slow-growing tree but exceptionally long-lived, and is increasingly grown as an ornamental feature in
South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...
n gardens. The unusual texture of the foliage is a reason for its growing popularity. The bright edible berries attract birds, which spread the seed. The
wood Wood is a structural tissue/material found as xylem in the stems and roots of trees and other woody plants. It is an organic materiala natural composite of cellulosic fibers that are strong in tension and embedded in a matrix of lignin t ...
is hard, similar to yew wood, used for furniture, panelling, etc. Due to past over-exploitation, little is now cut.


Taxonomy


Relationship to ''Podocarpus milanjianus''

''Podocarpus latifolius'' is closely related to '' Podocarpus milanjianus''. Whether they are a single or two separate species is not settled. Some authorities treat the South African populations as ''Podocarpus latifolius'', and those elsewhere in Africa as ''Podocarpus milanjianus''. Others treat them as a single species, ''Podocarpus latifolius''.Tropical Plants Database, Ken Fern. tropical.theferns.info. Accessed 8 March 2022. A 2020 study sampled DNA from ''Podocarpus latifolius'' and ''Podocarpus milanjianus'' trees, gathered from 88 sites across Africa. They concluded that all populations sampled constituted a single species: "As South African samples (''P. latifolius'') did not form a clade separated from the other clades (''P. milanjianus''), we confirm that the two taxa can be considered as synonyms." The authors concluded that the species originated in East Africa. The western populations, in the highlands of Cameroon and Nigeria and in the Angolan highlands, diverged from the other populations around 300,000 years ago, and the species expanded to its current distribution pattern about 200,000 years ago.Jérémy Migliore, Anne-Marie Lézine, Olivier J Hardy, The recent colonization history of the most widespread Podocarpus tree species in Afromontane forests, Annals of Botany, Volume 126, Issue 1, 29 June 2020, Pages 73–83, https://doi.org/10.1093/aob/mcaa049


References


External links


South African National Symbols
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Images on iSpot


{{Taxonbar, from=Q164767 latifolius Afromontane flora Flora of Southern Africa Flora of South Africa Flora of the Cape Provinces Trees of Africa Least concern plants Least concern biota of Africa National symbols of South Africa Protected trees of South Africa Trees of South Africa Trees of Mediterranean climate Garden plants of Southern Africa Ornamental trees Plants used in bonsai