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Rhodotypos scandens
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Rosaceae
Subfamily: Amygdaloideae[1]
Supertribe: Kerriodae
Tribe: Kerrieae
Genus: Rhodotypos
Siebold & Zucc.
Species: R. scandens
Binomial name
Rhodotypos scandens
(Thunb.) Makino

Rhodotypos scandens, the sole species of the genus Rhodotypos, is a deciduous shrub in the family Rosaceae, closely related to Kerria and included in that genus by some botanists. It is native to China, possibly also Japan.


Rhodotypos scandens - MHNT

It grows to 2–5 m tall, with (unusually for a species in the Rosaceae) opposite (not alternate) leaves, simple ovate-acute, 3–6 cm long and 2–4 cm broad with a serrated margin. The flowers are white, 3–4 cm diameter, and (also unusually) have four (not five) petals; flowering is from late spring to mid-summer. The fruit is a cluster of 1-4 shiny black drupes 5–8 mm diameter.

It does not have a widely used English name, most commonly being known by its genus name rhodotypos, also occasionally as jetbead[2] or jet-bead. It is an invasive species in some parts of eastern North America.

References and external links[edit]

  1. ^ Potter, D.; Eriksson, T.; Evans, R. C.; Oh, S.; Smedmark, J. E. E.; Morgan, D. R.; Kerr, M.; Robertson, K. R.; et al. (2007). "Phylogeny and classification of Rosaceae". Plant Systematics and Evolution. 266 (1–2): 5–43. doi:10.1007/s00606-007-0539-9.  [Referring to the subfamily by the name "Spiraeoideae"]
  2. ^ "Rhodotypos scandens". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 21 October 2015.