Dittrichia Greuter

Dittrichia (en), Cupulaire (fr)

Genus

Angiosperms > Asterales > Asteraceae

Characteristics

Glandular puberulous herbs. Leaves alternate, simple, entire or dentate. Capitula small, terminal to branchlets of inflorescence, radiate, heterogamous; involucral bracts c. 5-seriate, chartaceous; receptacle epaleate. Ray florets female, 1-or 2-seriate; ligule oblong, shortly 3-lobed; achene and pappus as in bisexual florets. Disc florets bisexual; corolla cylindrical, 4-or 5-lobed; anthers with slender branched tails; style branches linear or narrowly oblong, obtuse. Achenes narrowly obovoid or cylindrical with slender bidentate twin hairs and short glandular hairs, slightly constricted below pappus; pericarp papery. Pappus of numerous barbellate bristles connate at base, persistent.
More
Annual or perennial herbs. Lvs alternate, simple, entire or toothed. Capitula solitary. Involucral bracts in 3-5 rows, imbricate, with erect lamina, the outer usually herbaceous, the inner membranous. Receptacle flat or slightly convex; scales O. Outer florets ♀, ligulate; ligules yellow. Inner florets ☿, tubular. Achenes all similar, slightly 4-angled, abruptly constricted below apex; pappus hairs in 1 row, narrow at apex.
Life form
Growth form herb
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Sexuality hermaphrodite
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Hardiness (USDA) 5-10

Usage

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Cultivation

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Images

Dittrichia unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:8663-1
WFO ID wfo-4000012294
COL ID 475Y
BDTFX ID 86327
INPN ID 191891
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Dittrichia

Lower taxons

Dittrichia viscosa Dittrichia graveolens