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Metaplexis is a genus of flowering plants in the family Apocynaceae. The genus contains nine species. Metaplexis is native to Asia in China, Japan, Korea, Russia (Siberia), the United States and Australia.
Description
Metaplexis plants are vines that reach 8 m high; are rhizomatous and have underground woody organs that constitute a pattern. Leaf-blades are herbaceous, about 5-10 cm long and 4.6 cm wide, ovate, basally cordate, acute apex attenuated, adaxial glabrous and are abaxially sparsely pubescent.
The inflorescences are extra-axillary, solitary, almost as long as the adjacent leaves. The plants have 6-20 flowers, simple, with the peduncle longer than the pedicels which are practically obsolete and slightly pubescent on the whole surface.
Taxonomy
The genus was described by Robert Brown, published in Memoirs of the Wernerian Natural History Society 1:48. 1810.
Species
- Metaplexis cavaleriei H.Lév.
- Metaplexis chinensis Decne.
- Metaplexis fimbriata (Kunth) Spreng.
- Metaplexis hemsleyana Oliv.
- Metaplexis japonica Makino
- Metaplexis mucronata Spreng.
- Metaplexis rostellata Turcz.
- Metaplexis sinensis Hu
- Metaplexis stauntoni Schult.