Dimorphotheca

Moench

Methodus, 585. 1794.

Common names: African daisy Cape marigold
Etymology: Greek di- , two, morphe, shape, and theca, case or container, alluding to two forms of cypselae within each head
Treatment appears in FNA Volume 19. Treatment on page 380. Mentioned on page 30, 379.
 TaxonIllustrator 
FNA19 P41 Chrysanthemoides monifera.jpegChrysanthemoides monilifera
Dimorphotheca sinuata
Calendula officinalis
Osteospermum ecklonis
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey

Annuals [perennials, subshrubs, shrubs], 5–40 [150+] cm. Stems procumbent to erect [prostrate], glabrous or arachnose to piloso-hirtellous and/or stipitate-glandular. Leaves ± sessile or petiolate; blades oblong or oblanceolate to linear, margins entire or dentate [pinnately lobed], faces sparsely arachnose and/or stipitate-glandular. Heads borne singly. Involucres campanulate to hemispheric or broader, 5–20+ mm diam. Phyllaries 15–21 in 2 (–3) series, lanceolate to lance-linear. Receptacles flat to conic. Ray-florets 10–21+ in ± 1 series; corollas usually yellow to orange or white, sometimes purplish abaxially and/or at bases or apices, laminae oblongelliptic to oblanceolate. Disc-florets 15–50+, bisexual, all or mostly fertile (inner sometimes functionally staminate); corollas whitish or yellow, red, or purplish, tubes much shorter than ± campanulate throats (lobes sometimes with terete or dilated appendages). Cypselae (ray) triquetrous-prismatic to clavate, ± tuberculate or ridged; (disc) compressed, often winged, ± smooth. x = 9.

Distribution

Introduced; s Africa

Discussion

Species 7–18+ (2 in the flora).

Selected References

None.

Key

1 Ray corollas mostly yellow to orange adaxially Dimorphotheca sinuata
1 Ray corollas mostly whitish adaxially Dimorphotheca pluvialis

"broader" is not a number.

... more about "Dimorphotheca"
scarious +
ovate +  and deltate +
penicillate +
indeterminate +  and determinate +
John L. Strother +
Moench +
decurrent +
compound +  and simple +
oblanceolate;linear +
tuberculate +
discernible +
African daisy +  and Cape marigold +
zygomorphic +, actinomorphic +  and (3-)5-merous +
purplish +, red +, yellow +, whitish +, usually yellow +  and orange or white +
tuberculate +
compressed +, ridged +, triquetrous-prismatic +  and clavate +
fertile +  and bisexual +
s Africa +
Greek di- , two, morphe, shape, and theca, case or container, alluding to two forms of cypselae within each head +
stipitate-glandular +  and arachnose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
indeterminate +
heterogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
campanulate;hemispheric +
oblongelliptic +  and oblanceolate +
petiolate +  and sessile +
opposite +  and alternate +
deltate +
dentate +  and entire +
lobed +  and dissected +
2-carpellate +
15 +  and 21 +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
appendaged +  and truncate +
papillate +
Compositae +
Dimorphotheca +
Asteraceae tribe Calenduleae +
campanulate +
150 cm1,500 mm <br />1.5 m <br /> (5 cm50 mm <br />0.05 m <br />) +
5 cm50 mm <br />0.05 m <br /> (40 cm400 mm <br />0.4 m <br />) +
tree +  and shrub +