Abstract
Spergularia diandra is a common annual plant in the deserts of Israel. It displays a quantitative long-day response to flowering. The longer the daylength, from 8 to 18 h, the earlier the time of flowering. Tiny wind-dispersed seeds, which mature on plants under these daylengths, differed in their seed coat structure and size. In addition, in natural populations nine types of seeds were found: three plant genotypes with smooth, hairy or partially hairy seeds; and within each genotype there are three seed phenotypes: black, brown and yellow. The flowering and 'escape' strategy of seed dispersal diversity are discussed.
Original language | English |
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Pages (from-to) | 611-622 |
Number of pages | 12 |
Journal | Journal of Arid Environments |
Volume | 36 |
Issue number | 4 |
DOIs | |
State | Published - 1 Jan 1997 |
Keywords
- Daylength
- Escape strategy
- Flowering
- Genotypes
- Seed coat structure
- Wind dispersal
ASJC Scopus subject areas
- Ecology, Evolution, Behavior and Systematics
- Ecology
- Earth-Surface Processes