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DodecatheonSee text Dodecatheon have basal clumps of leaves, with nodding flowers. The stamens are thrust out with the sepals bent back. Dodecatheon are mostly from North America. Taxonomy There are about 14 species, including the following: Ecological aspects Dodecatheon are pollinated by bees, which grab hold of the petals, and gather pollen by vibrating the flowers via buzzing their wings. The vibration releases pollen from the anthers. This is called buzz pollination. Cultivation Dodecatheon needs good drainage. Many species need a dry summer period. For Dodecatheon, plants germinated from seed may take 3-5 years to produce flowers. For some Dodecatheon, with frequent light fertilization and moisture, dormancy may be delayed, and flowering time may be decreased to 1-2 years. Another technique to speed flowering is to place them in a cooler after dormancy, then bring them to a shadehouse in midsummer. Dodecatheon can be grown by division in winter. References
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