Lapsana L.

Nipplewort (en), Lapsane (fr)

Genus

Angiosperms > Asterales > Asteraceae

Characteristics

Fls all ligulate and perfect, yellow; invol cylindric-campanulate, minutely calyculate, the inner bracts subequal, uniseriate, keeled; achenes narrow, subterete or slightly compressed, often curved, narrowed to both ends, usually more gradually so downwards, 18–30-nerved, 5 or 6 of the nerves generally stronger; pappus none; branching, annual, lactiferous herbs, with alternate, entire to pinnatifid lvs and several to many small, rather few-fld heads, the peduncles tending to be apically pale and indurate. 9, temp. Eurasia.
More
Annual to perennial taprooted herbs. Hairs glandular, eglandular, or 0. Stems branching above. Lvs basal and cauline, lyrate-pinnatifid to undivided. Capitula in diffuse panicles. Involucral bracts in 2 rows, glabrous or hairy, the outer few, much < the inner. Receptacle areolate, glabrous; scales 0. Corolla ligulate, yellow. Style branches filiform, dark. Achenes few, pale, fusiform, weakly flattened, ribbed, not beaked; pappus 0.
Annual, biennial or perennial herbs, branching. Hairs simple, glandular and eglandular. Leaves predominantly cauline. Inflorescences paniculate. Capitula pedunculate; involucral bracts biseriate; inner bracts somewhat firm and erect at maturity. Florets: ligule yellow. Achenes homomorphic, mildly compressed, beakless. Pappus absent.
Life form
Growth form herb
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Sexuality hermaphrodite
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Root system tap-root
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Environment

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Hardiness (USDA) 4-9

Usage

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Cultivation

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Images

Lapsana unspecified picture

Distribution

Lapsana world distribution map, present in Australia, New Zealand, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:9662-1
WFO ID wfo-4000020596
COL ID 62XBN
BDTFX ID 86667
INPN ID 193851
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Lapsana

Lower taxons

Lapsana communis