W X Y Z letter

Wagatea spicata
Wahlembergia, consimilis, gloriosa, gymnoclada, hederacea, paniculata, pumilio
Warschewiczia coccinea
Washingtonia filifera var. Gracilis e robusta, Sonorae
Watsonia alba, Ardernei, borbonica, Meriana, Pyramidata, rosea, tabularis (vedi Gladiolus)
Wedelia trilobata
Weigela florida e variegata, japonica, (vedi Diervilla)
Weingartia pulquinensis
Weitchia merrillii
Weldenia candida
Weltheinia bracteata
Westringia fruticosa
Wigandia caracasana, Kunthii, urens
Winterocereus aureispinus
Wisteria sinensis, floribunda e var. Albiflora, macrobotrys, multijuga rosea, “Black dragon Kokuru”, alba
Withfeldia elongata
Woodwardia radicans, virginica
Wormia Burbidgei
Wulfenia carinthiaca
Xantium orientale, italicum, spinosum
Xantogalum purpurascens
Xeranthemum cylindraceum, foetidum
Yucca argyrophylla, australis, elata, elefantipes, gloriosa, guatemalensis, treculeana, (vedi Furcraea)
Zaluzania paniculata (vedi Ferdinanda, Podachaenium)
Zaluzianskya macrosiphon, ovata
Zamia furfuracea, floribunda, Loddigiesii
Zantedeschia aethiopica e var. “Green goddes”, Elliottiana
Zapoteca portoricensis
Zauschneria cana, californica
Zea Mais
Zebrina pendula (vedi Tradescantia)
Zelkova crenata, carpinifolia
Zenobia pulverulenta (vedi Andromeda)
Zephyranthes aurea, candisa, citrina, grandiflora,rosea
Zigadenus glaucus
Zingiber spectabile, sulphureus
Zinnia angustifolia, elegans, Haageana, linearis ed ibridi “Golden down” “Profusion cherry” “Parasol mixed”, paucifllora, peruviana, tenuiflora
Zizyphus Jujuba, sativa
Zoysia japonica
Zygocactus truncatus (vedi Epiphyllum)
Zygopetalum spec.
Zygophyllum Fabago