Kalanchoe × houghtonii

Kalanchoe × houghtonii is a hybrid between Kalanchoe daigremontiana and Kalanchoe delagoensis named after Arthur Duvernoix Houghton. It is often confused with Kalanchoe daigremontiana which has strongly cordate to auriculate or even peltate leaves, while the leaves of Kalanchoe × houghtonii are narrower and the leaf base is attenuate, cuneate to weakly cordate or auriculate.^[1] In hortuculture, it is often mislabelled as Kalanchoe serrata, which is a different species.

Kalanchoe × houghtonii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Saxifragales
Family:	Crassulaceae
Genus:	Kalanchoe
Species:	K. × houghtonii
Binomial name
Kalanchoe × houghtonii D.B.Ward
Synonyms
Bryophyllum × houghtonii (D.B.Ward) P.I.Forst.

Gallery

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  A form with bands and spots on the upper side of leaves
• 
  A form without bands or spots on the upper side of leaves

References

1. Shaw, J.M.H. (2008). "An investigation of the cultivated Kalanchoe daigremontiana group, with a checklist of Kalanchoe cultivars" (PDF). Hanburyana. 3: 17–79.