[医] 松叶菊属

[ noun ]
South African annual or biennial plants having flowers that open only in bright sunlight
<noun.plant>

Mesembryanthemum \Me*sem`bry*an"the*mum\, n. [NL., fr. Gr.
meshmbri`a midday + 'a`nqos flower.] (Bot.)
A genus of herbaceous or suffruticose plants, chiefly natives
of South Africa. The leaves are opposite, thick, and fleshy.
The flowers usually open about midday, whence the name.