📷 zebedeugalinha / iNaturalist (CC BY 4.0)
Field Guide · Hoya

Hoya ID by Leaf Alone

Hoya
500+ described Hoya species

A working key to four anchor species and the splash-leaf tangle that confuses even experienced growers.

The picks
01
Hoya carnosa
Climber · waxy elliptic leaf

The reference point for the entire genus. Leaves are 5–8 cm, elliptic to ovate, thick and waxy, with a faintly visible midrib and almost no secondary venation showing through. New growth flushes red-bronze before hardening to deep green. If a leaf looks like a generic Hoya, it is probably carnosa or one of its sports — 'Krimson Queen', 'Krimson Princess', 'Compacta'.

Reference species

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