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Abstract Floral nectaries are essential for plant reproduction but little is known about the relationship between these secretory structures and pollination system in cacti. To test phenotypic ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

ABSTRACT Oncidiinae is an exclusively Neotropical orchid subtribe with about 1600 described species and an impressive array of vegetative and floral morphological adaptations. We present the results ...

Plants that look like something else Take a look at these surprising plants that look uncannily like other things, from animals to human body features.

Our site for the day was an area of ‘turbera’ or peat bog - an open expanse of lichen dominated ground with scattered tree ferns ( Blechnum buchtienii) around whose base are even more lichens, ...

Lucille Carter, a member of The Society of Botanical Artists since 2004, has had five paintings selected from the thousands of entries hoping to be picked for the group’s annual display at Central ...

Alcaloïdes des Annonacées, 84. Bisaporphinoïdes de l'Unonopsis spectabilis Olivier Laprévote , François Roblot , Reynald Hocquemiller , and André Cavé ...