Citation: Vaill. ex Moench, Meth. 585 (1794).

Derivation: Greek di-, two; morphe form; theke, box; referring to the differing shapes of the ray and disk achenes.

Synonymy: Not Applicable

Common name: None

Description:
Annual herbs, more or less pubescent with a mixture of glandular and non-glandular hairs; leaves cauline, alternate, entire to pinnatifid, flat.

Capitula terminal, pedunculate, solitary, radiate, heterogamous; involucres broadly campanulate; bracts free, linear to lanceolate, herbaceous, uniseriate, subequal; receptacle flat, naked; ray florets female, uniseriate, ligulate, fertile; style filiform, glabrous, with short obtuse branches.

Ray achenes obscurely 3-angled, rugose or tuberculate, glabrous; pappus absent; disk florets bisexual, fertile or the inner ones sterile, tubular, 5-merous; anthers sagittate at the base with ovate acute terminal appendages; fertile style branches short, obtuse, each with a tuft of sweeping hairs; disk achenes flattened, broadly winged, obovate to orbicular, smooth, glabrous, with a thickened margin; pappus absent.

Distribution:  7 species in southern Africa, 2 naturalised in Australia. (T. Norlindh (1943) Studies in the Calenduleae, vol. 1).

Biology: No text

Key to Species:

1. Ligules white above, purplish below	D. pluvialis 1.
1. Ligules orange	D. sinuata 2.

Author: Not yet available