About Muellerina eucalyptoides (DC.) Barlow
Muellerina eucalyptoides (DC.) Barlow has a pendulous growth habit, which distinguishes it from all other species in the Muellerina genus. Like all other Muellerina species, it does produce long epicortical runners. Its leaves are arranged oppositely and have indistinct venation. Flowering occurs mainly in summer; the inflorescence grows terminally and is racemose, and typically bears 3–4 opposite pairs of flower triads. The central flower of each triad is sessile, while the lateral flowers are held on pedicels. The corolla is curved when in bud, consists of five free segments, and is 5-merous. Its stamens are unequal in size, with dorsifixed and versatile anthers. The fruit of this species is pear-shaped. In ecological terms, Muellerina eucalyptoides acts as a host for multiple butterfly and moth species: the imperial Jezebel (Delias harpalyce), common Jezebel (Delias nigrina), dark purple azure (Ogyris abrota), Genoveva azure (Ogyris genoveva), golden or Sydney azure (Ogyris ianthis), mistletoe emperor moth (Opodiphthera loranthi), and mistletoe moth (Comocrus behri). A full inventory of host plants parasitized by Muellerina eucalyptoides has been published by Downey. The recorded host plant species are grouped by family below: Anacardiaceae: Schinus areira *; Apocynaceae: Nerium oleander *; Casuarinaceae: Allocasuarina littoralis, Allocasuarina torulosa, Allocasuarina verticillata, Casuarina glauca; Celastraceae: Euonymus japonicus *; Cupressaceae: Callitris endlicheri; Fabaceae: Chamaecytisus palmensis *; Fagaceae: Quercus humilis *, Quercus robur *; Loranthaceae: Lysiana exocarpi, Muellerina celastroides, Muellerina eucalyptoides; Magnoliaceae: Magnolia grandiflora*; Meliaceae: Melia azedarach; Mimosaceae: Acacia adunca, Acacia baileyana, Acacia binervata, Acacia decurrens, Acacia ferominens, Acacia floribunda, Acacia fulva, Acacia implexa, Acacia linifolia, Acacia mearnsii, Acacia melanoxylon, Acacia paradoxa, Acacia prominens; Myrtaceae: Angophora bakeri, Angophora costata, Angophora floribunda, Angophora hispida, Angophora subvelutina, Callistemon lanceolatus, Callistemon viminalis, Corymbia calophylla, Corymbia ficifolia, Corymbia maculata, Eucalyptus acmenoides, Eucalyptus agglomerata, Eucalyptus amplifolia, Eucalyptus andrewsii, Eucalyptus bancroftii, Eucalyptus baueriana, Eucalyptus baxteri, Eucalyptus blakelyi, Eucalyptus bridgesiana, Eucalyptus camaldulensis, Eucalyptus crebra, Eucalyptus cypellocarpa, Eucalyptus dalrympleana, Eucalyptus dealbata, Eucalyptus dwyeri, Eucalyptus eugenioides, Eucalyptus eximia, Eucalyptus globoidea, Eucalyptus goniocalyx, Eucalyptus grandis, Eucalyptus gummifera, Eucalyptus haemastoma, Eucalyptus intermedia, Eucalyptus laevopinea, Eucalyptus longifolia, Eucalyptus mannifera, Eucalyptus melanophloia, Eucalyptus melliodora, Eucalyptus moluccana, Eucalyptus muelleriana, Eucalyptus notabilis, Eucalyptus obliqua, Eucalyptus ovata, Eucalyptus paniculata, Eucalyptus parramattensis, Eucalyptus parvula, Eucalyptus pauciflora, Eucalyptus pilularis, Eucalyptus piperita, Eucalyptus polyanthemos, Eucalyptus prava, Eucalyptus propinqua, Eucalyptus punctata, Eucalyptus racemosa, Eucalyptus radiata, Eucalyptus resinifera, Eucalyptus rossii, Eucalyptus saligna, Eucalyptus scoparia, Eucalyptus siderophloia, Eucalyptus sideroxylon, Eucalyptus sieberi, Eucalyptus sparsifolia, Eucalyptus squamosa, Eucalyptus tereticornis, Eucalyptus umbra, Eucalyptus viminalis, Eucalyptus wardii, Eucalyptus willisii, Kunzea ambigua, Kunzea ericoides, Leptospermum trinervium, Leptospermum laevigatum, Leptospermum polygalifolium, Melaleuca ericifolia, Melaleuca linariifolia, Melaleuca styphelioides; Platanaceae: Platanus orientalis *; Rosaceae: Crataegus monogyna *, Crataegus oxyacantha *, Photinia serrulata *, Prunus armeniaca *, Prunus avium *, Prunus domestica *, Prunus persica *, Pyrus communis *; Santalaceae: Exocarpos cupressiformis; Sterculiaceae: Brachychiton populneus; Ulmaceae: Ulmus procera *
