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Calendula
Family: Asteraceae
Calendula image
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Annuals, perennials [subshrubs], 5-50(-70+) cm. Stems procumbent to erect, glabrous or arachnose and/or stipitate-glandular. Leaves sessile or petiolate; blades elliptic, obovate, or oblong to oblanceolate, spatulate, or linear (bases sometimes clasping), margins entire or denticulate, faces sparsely arachnose and/or stipitate-glandular. Heads borne singly. Involucres campanulate to hemispheric or broader, 10-30+ mm diam. Phyllaries 13-40+ in 2+ series, lanceolate to lance-linear. Receptacles flat. Ray florets 13-50(-100+) in 1-3+ series; corollas yellow to orange, laminae linear to oblanceolate. Disc florets 20-60(-150+), functionally staminate; corollas yellow, reddish, or purplish, tubes shorter than ± campanulate throats. Cypselae arcuate to ± coiled (usually some beaked, some 2-3-winged, some both beaked and winged), abaxial faces usually tuberculate and/or transversely ridged. x = 11.
Calendula aegyptiaca
Image of Calendula aegyptiaca
Calendula arvensis
Image of Calendula arvensis
Calendula meuselii
Image of Calendula meuselii
Calendula officinalis
Image of Calendula officinalis
Calendula parviflora
Images
not available
Calendula stellata
Image of Calendula stellata
Calendula suffruticosa
Images
not available
Calendula tripterocarpa
Images
not available
The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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