Calocephalus lacteus

From Wikipedia, the free encyclopedia

Milky beauty-heads
Calocephalus lacteus 01.jpg
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Calocephalus
Species:
C. lacteus
Binomial name
Calocephalus lacteus

Calocephalus lacteus, commonly known as milky beauty-heads, is a species of flowering plant in the family, Asteraceae. It is an ascending, spreading perennial with silver-grey leaves and cream globular-shaped flower heads. It occurs in eastern Australia.

Description[]

Calocephalus lacteus is a perennial, ascending, spreading herb by means of rhizomes, 5–70 cm (2.0–27.6 in) high and forms a dense groundcover. The grey-green leaves are arranged opposite lower on the stem, alternate toward the apex, obovate to lance shaped, or almost linear, 1–5 cm (0.39–1.97 in) long, 1–4.5 mm (0.039–0.177 in) wide, short matted hairs, two lateral veins and midrib veins usually prominent. The globular flower is a dense cluster of 20-200 capitula in each compound head 0.6–1.5 cm (0.24–0.59 in) long, each containing 2-3 yellow florets enclosed by 9-16 white bracts that are flat to conduplicate and 1.5–3.3 mm (0.059–0.130 in) long. The fruit is a cypsela with 6-11 bristles and fine hairs in the upper part. Flowering occurs mostly from November to March.[2][3]

Taxonomy and naming[]

Calocephalus lacteus was first formally described in 1832 by Christian Friedrich Lessing and the description was published in Synopsis Generum Compositarum.[4][5] The specific epithet (lacteus) means "milky", referring to the white bracts.[3][6]

Distribution and habitat[]

Milky beauty-heads grows in low-lying occasionally wet and grassy situations in New South Wales, Victoria, Tasmania and South Australia.[3]

References[]

  1. ^ "Calocephalus lacteus". Australian Plant Census. Retrieved 18 February 2021.
  2. ^ "Calocephalus lacteus". VICFLORA-Flora of Victoria. Royal Botanic Gardens Victoria. Retrieved 22 February 2021.
  3. ^ a b c Nerenberg, Shana. "Calocephalus lacteus". Growing Native Plants. Australian National Botanic Garden. Retrieved 22 February 2021.
  4. ^ "Calocephalus lacteus". Australian Plant Name Index. Retrieved 24 February 2021.
  5. ^ Lessing, Christian Friedrich (1832). Synopsis Generum Compositarum. p. 271.
  6. ^ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 271. ISBN 9780958034180.


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