Hoya
| Hoya | |
|---|---|
 |
|
| Hoya lanceolata ssp. bella | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Subfamily: | Asclepiadoideae |
| Genus: |
Hoya R.Br. |
| Species | |
|
See text. |
|
| Synonyms | |
|
Madangia |
|
See text.
Madangia
Micholitzia
Hoya is an Asclepiad genus of 200–300 species of tropical plants in the family Apocynaceae (Dogbane). Most are native to Asia including India, China, Thailand, Malaysia, Việt Nam, and Indonesia, There is a great diversity of species in the Philippines, and species in Polynesia, New Guinea, and Australia.
Common names for this genus are waxplant, waxvine, waxflower or simply hoya. This genus was named by botanist Robert Brown, in honour of his friend, botanist Thomas Hoy.
Hoyas are evergreen perennial creepers or vines or rarely, shrubs. They often grow epiphytically on trees; some grow terrestrially, or occasionally in rocky areas. They climb by twining, and with the employment of adventitious roots. Larger species grow 1–18 m (3–59 ft), or more, with suitable support in trees. They have simple entire leaves, arranged in an opposite pattern, that are typically succulent. Leaves may exhibit a variety of forms, and may be smooth, felted or hairy; veination may be prominent or not, and many species have leaf surfaces flecked with irregular small silvery spots.
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Wikipedia