Family: Asteraceae
Leucanthemum
Citation:
Miller, Gard. Dict. edn 4 (1754).
Derivation: Latin leucanthemum, a name used by Pliny for some species of chamomile.
Synonymy: Not Applicable Common name: None
Description:
Perennial herbs with rhizomes; leaves mostly cauline, sessile, dentate to serrulate.
Capitula solitary or few in a loose corymb, terminal, long-pedunculate, radiate, heterogamous; involucres hemispherical; bracts herbaceous below with scarious margins, imbricate in 2 or 3 unequal series; receptacle convex, naked, pitted; ray florets female, uniseriate, ligulate, white; style branches linear with papillose apices; disk florets tubular, 5-merous, bisexual, fertile; corolla narrowly campanulate, yellow; anthers obtuse at the base with ovate apical appendages; style branches broadly linear, truncate with papillose apices.
Achenes all similar, terete, symmetrical, narrowly obconic, ribbed; pappus a minute crown or absent.
Distribution:
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About 25 species in Europe, Asia and northern Africa; several are cultivated for ornament and 1 is naturalised in Australia.
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Biology:
No text
Key to Species:
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1. Stems unbranched, each one with a solitary capitulum |
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L. maximum 1. |
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1. Stems branched, capitula solitary or 2 or 3 together on each branch |
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L. vulgare 2. |
Author:
Not yet available
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