Ozothamnus

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Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Ozothamnus' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/ozothamnus/). Accessed 2020-02-27.

Family

  • Compositae

Glossary

herbarium
A collection of preserved plant specimens; also the building in which such specimens are housed.
alternate
Attached singly along the axis not in pairs or whorls.
bisexual
See hermaphrodite.
discoid
Flat and circular.
included
(botanical) Contained within another part or organ.
receptacle
Enlarged end of a flower stalk that bears floral parts; (in some Podocarpaceae) fleshy structure bearing a seed formed by fusion of lowermost seed scales and peduncle.

References

There are currently no active references in this article.

Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Ozothamnus' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/ozothamnus/). Accessed 2020-02-27.

A genus of about fifty species of evergreen shrubs or weakly woody perennial herbs, confined to the Australasian region. Leaves alternate, often heath-like. Flower-heads resembling those of Helichrysum, usually small, often in dense corymbs. Involucral bracts with dry papery appendages, often conspicuously radiating and simulating the ligules of ray-florets, then usually white; usually a few outer florets female, the rest bisexual, all discoid (ray-florets nil); receptacle without scales. Closely related to Cassinia (from which it differs by the absence of receptacular scales) and Helichrysum, from which no one technical character serves to distinguish it, and in which it is often included as a subgenus.

There is no monographic treatment of the genus, and its taxonomic status is still in need of clarification. The Australian species may be identified by reference to: N. T. Burbidge, 'A Monographic Study of Helichrysum subgenus Ozothamnus', in Austr. Journ. Bot., Vol. 6, pp. 229-84 (1958); and those of New Zealand to: H. H. Allan, Flora of New Zealand, Vol. 1, pp. 715-21 (1961).

Footnotes

Revised by C. Jeffrey of the Herbarium, Royal Botanic Gardens, Kew.

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