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Seed-set (seed to ovule number) of L- and S-morphs in two anisoplethic population of Narcissus papyraceus from the Sebou river basin after hand pollination experiments (see Table 1 for location of populations). Values indicated are the means ± s.e. of seed production following intramorph (L × L, S × S), intermorph (L× S, S× L), self- pollination (L× , S×) and prior self-pollination plus cross-pollination (L× +a, S× +a).
