Arctotheca

J. C. Wendland

Bot. Beob., 41. 1798

,

Hort. Herrenhus. 1: 8, plate 6. 1798

Common names: Capeweed
Etymology: Greek arktos, brown bear, and theke, case, capsule, container, alluding to dense, woolly tomentum of cypselae of some species
Treatment appears in FNA Volume 19. Treatment on page 197. Mentioned on page 48, 195.
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

South Africa, Mozambique.

Discussion

Species 4 (1 in the flora).

Selected References

None.

Facts about "Arctotheca"
AuthorAlison McKenzie Mahoney +
AuthorityJ. C. Wendland +
Common nameCapeweed +
DistributionSouth Africa + and Mozambique. +
EtymologyGreek arktos, brown bear, and theke, case, capsule, container, alluding to dense, woolly tomentum of cypselae of some species +
Illustration copyrightFlora of North America Association +
IllustratorYevonn Wilson-Ramsey +
Introducedtrue +
Publication titleBot. Beob., + and Hort. Herrenhus. +
Publication year1798 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V19-20-21/V19 231.xml +
SynonymsCompositae +
Taxon familyAsteraceae +
Taxon nameArctotheca +
Taxon parentAsteraceae tribe Arctotideae +
Taxon rankgenus +
VolumeVolume 19 +