This species is closely related to Camellia reticulata[].

Common Name:

General Information

Camellia semiserrata is an evergreen tree that can grow 7 - 15 metres tall[].
The plant is often harvested from the wild, and is also widely cultivated for its oil-rich seeds. It has some ornamental value[].
Camellia semiserrata has a wide range in southern China. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2013)[].

Known Hazards

None known

Botanical References

,

Range

E. Asia - southern China (Guangdong, Guangxi)

Habitat

Forests, forests along river valleys; at elevations from 200 - 800 metres[].

Properties

Edibility Rating
Habit	Evergreen Tree
Height	10.00 m
Pollinators	Bees
Cultivation Status	Cultivated, Ornamental, Wild

Cultivation Details

Camellia species are found mainly in the warm temperate to subtropical regions of southern China, and most species experience mild winters with few frosts plus wet summers[]. Camellia semiserrata is found mainly at low elevations in southern China, and will only succeed outdoors in the very mildest regions of the temperate zone, and also at moderate elevations in the tropics.
Species in this genus generally prefer a peaty, more or less lime-free soil with a pH in the range 5 - 7, but most will grow well in an open loam to which ample leaf-mould has been added, so long as it is well-drained and lime-free. Most species are understorey plants in forests (preferably oak or pine) and prefer a warm, sheltered position with moderate shade; at least at the hottest time of day[, ]. Requires a position sheltered from strong winds[].
Plants are not very self-compatible, self-fertilized flowers produce few seeds and these are of low viability[].
This species is closely related to Camellia reticulata[].
The plant is often cultivated in China for the oil in its seed[]. The capsule of var magnocarpa is considerably larger than the type and can be up to 12cm in diameter[].

Edible Uses

A fragrant oil is obtained from the seed[, ]. It is used in cooking[, ].
The ovoid capsule is usually 60 - 80mm x 50 - 60mm, 3 - 5-loculed with 1 - 5 brown seeds around 15 - 20mm in diameter per locule[].
The capsule of var magnocarpa is around 12cm in diameter[].

Medicinal

None known

Other Uses

The oil obtained from the seed of this species is likely to be very similar in quality to that obtained from Camellia oleifera. The uses of that oil are as follows:-
The seed contains 40 - 50% of a non-drying oil. The oil consists mainly of oleic acid. It is not subject to polymerize nor to oxidize, nor does it form solids at low temperatures[]. The oil has a wide range of applications. It is a good raw material for industrial uses, it is used as an illuminant, in making textiles and in the manufacture of items such as soap, margarine, hair oil, lubricants, inks and paint. It is also used in the synthesis of other high-molecular weight compounds, and to make a rustproof coating for metals. It is often used medicinally and in cosmetics in items such as skin creams and anti-wrinkle compounds[, , , , , ].
Various compounds are extracted from the seeds once the oil has been removed. These include saponins (used an emulsifying agent in pesticides, for foam-forming fire extinguishers and in detergents), tannins and pentosan[].
The seed cake has insecticidal activity, and has been proven to give effective control over a range of pests[, ].

Propagation

Seed - can be sown as soon as it is ripe in a shaded position[]. Stored seed should be pre-soaked for 24 hours in warm water and the hard covering around the micropyle should be filed down to leave a thin covering[, , ]. It usually germinates in 1 - 3 months at 23°c[]. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in light shade until they are large enough to plant out[].
Cuttings of almost ripe wood, 10 - 15cm with a heel in a shaded frame. High percentage but slow[].
Cuttings of firm wood, 7 - 10cm with a heel in a frame[, ].
Leaf-bud cuttings in a frame.

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