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

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
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  A form without bands or spots on the upper side of leaves
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  Flowers

References