Main Page | See live article | Alphabetical index The pineapple weed (Chamomilla suaveolens, syn. Matricaria suaveolens) is an annual plant probably native to California in the Family Asteraceae. The flower head is cone-shaped, composed of dense-packed yellowish-green corollas, and lacking ray-florets. The leaves are pinnately dissected and sweet-scented when crushed. The plant grows 3 to 12 inches (7.5 - 30 cm) high. References and External Links Robbins, W. W., Margaret K. Bellue, and Walter S. Ball. 1970. Weeds of California. Documents and Publications, Sacramento. 547 p. University of California, Statewide Integrated Pest Management Program This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.