Ammobium craspedioides

Ammobium craspedioides, commonly known as Yass daisy,[2] is a species of perennial herb in the daisy family Asteraceae. It has slender stems, grey leaves and heads of yellow flowers and is endemic to New South Wales.

Yass daisy
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Ammobium
Species:
A. craspedioides
Binomial name
Ammobium craspedioides

Description

Ammobium craspedioides is a perennial herb mostly 30–60 cm (12–24 in) high with unbranched, more or less woolly, slender stems and single flowers. The leaves are formed in a rosette, oblong to lance-shaped, 3–12 cm (1.2–4.7 in) long, 10–17 mm (0.39–0.67 in) wide, grey, upper surface with scale-like hairs, lower surface woolly, apex pointed and the petiole 10–30 mm (0.39–1.18 in) long. The yellow flower heads about 10–20 mm (0.39–0.79 in) in diameter, hemispherical, involucres bracts about 10 mm (0.39 in) long, dry and pale yellow. Flowering occurs in summer and the fruit is an achene about 4 mm (0.16 in) long, smooth and light brown.[2][3]

Taxonomy and naming

Ammobium craspedioides was first formally described in 1857 by George Bentham and the description was published in Flora Australiensis.[4][5] The specific epithet (craspedioides) means like the genus Craspedia.[6]

Distribution and habitat

Yass daisy grows in woodland, forests and near roadsides in the Yass district of New South Wales.[3]

References
  1. "Ammobium craspedioides". Australian Plant Census. Retrieved 4 July 2023.
  2. Sharp, Sarah; Rehwinkel, Rainer; Mallinson, Dave; Eddy, David (2015). Woodland Flora a Field Guide for the Southern Tableland (NSW & ACT). Canberra: Horizons Print Management. ISBN 9780994495808.
  3. Brown, E.A. "Ammobium craspedioides". PlantNET-NSW Flora online. Royal Botanic Gardens Sydney. Retrieved 4 July 2023.
  4. "Ammobium craspedioides". Australian Plant Name Index. Retrieved 4 July 2023.
  5. Bentham, George (1867). Flora Australiensis. London: L.Reeve & Co. p. 584.
  6. George, A.S; Sharr, F.A (2021). Western Australian Plant Names and their meanings (4th ed.). Kardinya: Four Gables. p. 176. ISBN 9780958034197.
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