Names: Mexican tarragon, sweetscented marigold
* native to southern Mexico
Used as a landscape ornamental and as a spice.
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|Inflorescence a head with 5 ray florets and 12+ disc florets.||Habit - semi-woody sub-shrub. Has upright, unbranched stems.|
|Phyllaries are in one series, fused and have very prominent glands. Notice the recurved style branches of the disc florets.||The leaves are minutely toothed and have many glands. The oil is fragrant, and the leaves can be used in salads or as a substitute for tarragon.|
|The leaf margins are ciliate towards the bases.|