Jump to content

英文维基 | 中文维基 | 日文维基 | 草榴社区

Brachyscome decipiens

From Wikipedia, the free encyclopedia

Field daisy
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Brachyscome
Species:
B. decipiens
Binomial name
Brachyscome decipiens

Brachyscome decipiens, commonly known as field daisy,[2] is a perennial herb in the family Asteraceae and is endemic to Australia. It is a small herb with white or pale blue flowers.

Description

[edit]

Brachyscome decipiens is a herb with leaves that are whorled at the ground. The leaves are egg-shaped to narrowly elliptic, smooth, 2–19 cm (0.79–7.48 in) long, 5–37 mm (0.20–1.46 in) wide. The leaves from ground level are 10–30 cm (3.9–11.8 in) long and smooth. The leaf edges are smooth or toothed near the apex, surface smooth, sometimes purplish near the leaf base. The smooth flower bracts are arranged in two rows, lance or elliptic shape, 5.5–9 mm (0.22–0.35 in) long, 1.5–4 mm (0.059–0.157 in) wide with prominent glandular purple edges. The ligules about 5–11 mm (0.20–0.43 in) long, white on upper side occasionally mauve underneath. The white or pale blue flower heads are 12–18 mm (0.47–0.71 in) in diameter, the peduncle 8–20 cm (3.1–7.9 in) long, broad, smooth and the centre yellow. The brown one-seeded fruit are flattened lengthwise, egg-shaped, 2.3–4.6 mm (0.091–0.181 in) long and 1.2–1.7 mm (0.047–0.067 in) wide. Flowering occurs from September to March.[2][3][4]

Taxonomy and naming

[edit]

Brachyscome decipiens was first formally described in 1847 by Joseph Dalton Hooker and the description was published in the London Journal of Botany.[5][6] The specific epithet (decipiens) is derived from the Latin word decipio meaning "to beguile" or "to cheat".[7]: 807 

Distribution and habitat

[edit]

Field daisy grows in subalpine and mountainous woodland and swamps in Victoria, Tasmania and New South Wales.[2]

References

[edit]
  1. ^ "Brachyscome decipiens". Australian Plant Name Index. Retrieved 5 January 2020.
  2. ^ a b c "Brachyscome decipiens". PlantNET-NSW Flora Online. Royal Botanic Garden Sydney. Retrieved 4 January 2020.
  3. ^ "Brachyscome decipiens". VICFLORA-Flora of Victoria. Royal Botanic Gardens Victoria. Retrieved 4 January 2020.
  4. ^ Cosgrove, Meredith (2014). Photographic Guide to Native Plants of the Australian Capital Territory. Meadow Argus. ISBN 9780994183408.
  5. ^ Hooker, J.D. (1847). "FLORAE TASMANIAE SPICILEGIUM". London Journal of Botany. 6: 114. Retrieved 5 January 2020.
  6. ^ "Brachyscome decipiens". Australian Plant Census. Retrieved 5 January 2020.
  7. ^ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 476.