Dendrobium speciosum Dendrobium speciosum subsp. hillii [© Florence Joly] Dendrobium speciosum subsp. hillii [© Florence Joly] Dendrobium speciosum subsp. hilii, rock orchid, cane orchid [© Florence Joly] Dendrobium speciosum subsp. hillii [© Graham Corbin] Dendrobium speciosum var. grandiflorum [© Jon Cara] Dendrobium speciosum var. grandiflorum [© Jon Cara] Dendrobium speciosum var. hillii [© Jon Cara] Dendrobium speciosum var. hillii [© Jon Cara] Dendrobium speciosum var. hillii [© Jon Cara] Dendrobium speciosum var. hillii [© Jon Cara] Dendrobium speciosum var. hillii [© Jon Cara] Dendrobium speciosum var. hillii [© Jon Cara] Dendrobium speciosum var. hillii [© Jon Cara] Dendrobium speciosum var. hillii [© Jon Cara] Dendrobium speciosum var. hillii [© Jon Cara]