Appearance
It is a compact, evergreen subshrub with a woody base, many hairy wiry stems, simple opposite leaves with toothed margins, and whorls of white flowers with funnel-shaped calyxes.
Habitat
It is a plant of semi-arid, acidic stony habitats and in Israel often grows in association with "Echinops gaillardotii", "Carlina corymbosa" and "Ziziphus lotus".References:
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