Arctotheca
Bot. Beob., 41. 1798.
Hort. Herrenhus. 1: 8, plate 6. 1798.
Taxon | Illustrator ⠉ | |
---|---|---|
Gazania linearis Arctotheca calendula Arctotis stoechadifolia | Yevonn Wilson-Ramsey Yevonn Wilson-Ramsey Yevonn Wilson-Ramsey |
Perennials (sometimes flowering first-year), (4–) 8–20 (–30+) cm (usually stoloniferous and/or rhizomatous). Stems decumbent or creeping to ± erect. Leaves basal and cauline; petiolate; blades mostly obovate, margins usually pinnatifid to pinnatisect (often lyrate to runcinate) [entire], abaxial faces ± white-woolly, adaxial sparsely puberulent to arachnose (glabrate). Involucres hemispheric to campanulate, 10–15 [–20+] mm diam. Phyllaries in 3–6+ series, distinct, ovate or oblong to linear, unequal, margins ± scarious, apices ± acute to acuminate, abaxial faces glabrous or arachnose. Receptacles flat, alveolate or smooth, epaleate. Ray-florets neuter (staminodes sometimes present); corollas adaxially yellow (sometimes drying bluish) or ± bluish, laminae 4-veined, 3-toothed. Disc-florets bisexual, fertile; corollas yellow or purplish to brownish. Cypselae ± obovoid or ± prismatic (4-angled), ribs 3–5, faces usually villous or woolly [glabrate]; pappi usually present, persistent, of 7–9+ scales (borne within callous borders crowning cypselae) [sometimes none]. x = 9.
Distribution
Introduced; South Africa, Mozambique
Discussion
Species 4 (1 in the flora).
Selected References
None.