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The Geography of Phytochemical Races

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52 2 Examples Within Continents<br />

Fig. 2.30 Map <strong>of</strong> Israel with<br />

Withania somnifera sites<br />

marked with numerals, and<br />

Foeniculum vulgare sites<br />

marked as F1 and F2<br />

2.4.2 Foeniculum vulgare (Apiaceae)<br />

Barazani et al. (2002) investigated the volatile oil fraction <strong>of</strong> Foeniculum vulgare L.<br />

var. vulgare collected from seven populations in Israel. Plants from four <strong>of</strong> the<br />

populations exhibited quite different chemical pr<strong>of</strong>i les when individual plants from<br />

nature were compared with individual plants maintained in a common garden.<br />

In contrast, pr<strong>of</strong>i les <strong>of</strong> three populations were very similar to pr<strong>of</strong>i les <strong>of</strong> individual<br />

plants <strong>of</strong> those populations grown in a garden indicating a high level <strong>of</strong> heritability<br />

<strong>of</strong> the compounds. Two chemotypes were observed, a trans-anethole type [117]

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