Hoya R.Br.

Paul Forster, David Liddle & Iris Liddle

Commemorating Thomas Hoy (1788–1809), gardener for the Duke of Northumberland.

Epiphytic or lithophytic twiners or subshrubs with clear or white latex, stems sometimes hairy. Leaves well developed; mucilage glands present. Corolla bell-shaped or wheel-like, hairless or with short, generally glandular hairs; tube usually short; lobes usually free at tips, valvate. Annular, corolline and interstaminal coronas absent; staminal corona of 5 lobes with inrolled keels. Follicles tapering to each end. Seeds with tuft of hair at one end.

This genus is well known in cultivation, with probably more than 200 species cultivated by specialist collectors. Most species have attractive flowers that are often sweetly scented (particularly at dusk). Many species have attractive foliage.About 37 species (as well as a number of cultivars) are common and widespread in cultivation in SE Australia.

Cuttings or rarely seed.

Staminal corona lobes with inrolled keels on outer edge.

Over 300 species in Asia, Malesia, Melanesia and Australia (7 species). Major concentrations of species are found in New Guinea, the Philippines and the Malay Peninsula.

Rintz (1978), Innes (1988), Kloppenburg (1991), Kloppenburg &Wayman (1992), Forster & Liddle (1996b), Forster (1999b).

Source: Forster, P.; Liddle, D.; Liddle, I. (2002). Hoya. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.

Hero image
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Gentianales
family       Apocynaceae
Higher taxa
Subordinate taxa
species         Hoya australis R.Br.
species         Hoya bilobata Schltr.
species         Hoya carnosa (L.f.) R.Br.
species         Hoya caudata Hook.f.
species         Hoya cinnamonifolia Hook.
species         Hoya compacta C.M.Burton
species         Hoya cumingiana Decne.
species         Hoya diversifolia Blume
species         Hoya flavida P.I.Forst. & D.J.Liddle
species         Hoya fraterna Blume
species         Hoya globulosa Hook.f.
species         Hoya kerrii Craib
species         Hoya lacunosa Blume
species         Hoya lanceolata D.Don
species         Hoya linearis D.Don
species         Hoya longifolia Wight
species         Hoya macgillivrayi F.M.Bailey
species         Hoya micrantha Hook.f.
species         Hoya multiflora Blume
species         Hoya nummularioides Costantin
species         Hoya obovata Decne.
species         Hoya obscura C.M.Burton
species         Hoya odorata Merr.
species         Hoya parasitica
species         Hoya parvifolia Schltr.
species         Hoya polyneura Hook.f.
species         Hoya pottsii Traill
species         Hoya pubicalyx Merr.
species         Hoya samoensis Seem.
species         Hoya serpens Hook.f.
species         Hoya shepherdii Hook.
species         Hoya subquintuplinervis Miq.
species         Hoya tsangii C.M.Burton