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Argyrodendron actinophyllum
In Tooloom National Park
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malvales
Family:	Malvaceae
Genus:	Argyrodendron
Species:	A. actinophyllum
Binomial name
Argyrodendron actinophyllum (F.M.Bailey) Edlin
Synonyms
List Heritiera actinophylla (F.M.Bailey) Kosterm. Heritiera actinophylla (F.M.Bailey) Kosterm. isonym Tarrietia actinodendron Guilf. nom. inval., nom. nud. Tarrietia actinophylla F.M.Bailey Tarrietia argyrodendron var. actinophylla F.Muell. Argyrodendron trifoliolatum auct. non F.Muell. (1858) Tarrietia argyrodendron auct. non Benth.: Mueller, F.J.H. von (May 1875)

Argyrodendron actinophyllum, commonly known as black booyong, black jack, stave wood, Mackay tulip oak, crowsfoot elm, booyong, tulip oak or blush tulip oak, is a species of flowering plant in the family Malvaceae and is endemic to eastern Australia. It is a large tree with prominent buttress roots, palmately compound leaves with 5 to 9 lance-shaped leaflets, flower arranged in panicles, and winged samaras.

Description

Argyrodendron actinophyllum is a tree that typically grows to a height of 50 m (160 ft) with prominent buttress roots and dark grey or very dark grey bark. The leaves are palmately compound with 5 to 9 lance-shaped leaflets, sometimes the narrower end towards the base, 100–180 mm (3.9–7.1 in) long and 15–50 mm (0.59–1.97 in) wide on a petiole 30–50 mm (1.2–2.0 in) long. The flowers are arranged in many-flowered panicles that are longer than the leaves. The fruit is an oval samara 5–7 mm (0.20–0.28 in) in diameter, with a wing 40–60 mm (1.6–2.4 in) long and 15–25 mm (0.59–0.98 in) wide.

Taxonomy

This species was first formally described in 1875 by Ferdinand von Mueller who gave it the name Tarrietia argyrodendron var. actinophylla in his Fragmenta Phytographiae Australiae. In 1935, Herbert Leeson Edlin raised the variety to species status as Argyrodendron actinophyllum in the journal, New Phytologist. The specific epithet actinophyllum means 'spoke of a wheel-leaved'.

In 1969, Lindsay Stuart Smith described the subspecies Argyrodendron actinophyllum subsp. diversifolium, and the name, and that of the autonym are accepted by the Australian Plant Census, but not accepted by the National Herbarium of New South Wales:

• Argyrodendron actinophyllum subsp. actinophyllum
• Argyrodendron actinophyllum subsp. diversifolium

Distribution and habitat

Black booyong grows in warm rainforest, mostly above 600 m (2,000 ft), north from Gloucester in New South Wales and in north-east and central-eastern Queensland.

References

1. ^ "Argyrodendron actinophyllum". Australian Plant Census. Retrieved 30 June 2024.
2. "Argyrodendron actinophyllum". Queensland Government, Department of Education and Science. Retrieved 30 June 2024.
3. ^ Harden, Gwen J.; Conn, Barry J. "Argyrodendron actinophyllum". Royal Botanic Garden, Sydney. Retrieved 30 June 2024.
4. "Tarrietia argyrodendron var. actinophylla". Australian Plant Name Index. Retrieved 29 June 2024.
5. "Argyrodendron actinophyllum". Australian Plant Name Index. Retrieved 29 June 2024.
6. Edlin, Herbert L. (1935). "A Critical Revision of Certain Taxonomic Groups of the Malvales. Part II". The New Phytologist. 34 (2): 138. Retrieved 30 June 2024.
7. George, Alex; Sharr, Francis (2021). Western Australian Plant Names and Their Meanings (4th ed.). Kardinya, WA: Four Gables Press. pp. 126–127. ISBN 9780958034180.
8. "Argyrodendron actinophyllum subsp. actinophyllum". Australian Plant Census. Retrieved 30 June 2024.
9. "Argyrodendron actinophyllum subsp. diversifolium". Australian Plant Census. Retrieved 30 June 2024.
10. "Argyrodendron actinophyllum subsp. diversifolium". Australian Tropical Rainforest Plants. Retrieved 30 June 2024.

• Sterculioideae
• Flora of New South Wales
• Flora of Queensland
• Malvales of Australia
• Trees of Australia
• Taxa named by Ferdinand von Mueller
• Plants described in 1875