Dendrobium devonianum Paxton

Epiphytic herb

Flowering & Fruiting: May-August

Epiphytic herbs, up to 50 cm long, pendent; stems ca. 0.3-0.4 cm thick, slender, jointed; sheaths inflated, longer than internodes. Leaves simple, alternate; lamina ca. 3-7 x 0.6-1 cm, plicate, lanceolate, clasping sheath at base, long acuminate at apex, entire, coriaceous. Inflorescences often several, on old leafless stems, 1- or 2-flowered; peduncle green, ca. 0.4 cm; basal sheaths 2 or 3, dry, membranous; floral bracts ovate, ca. 0.4 cm, membranous, apex subacute; pedicel and ovary green, tinged with brown, ca. 2-2.5 cm; Flowers scented, spreading, thinly textured; dorsal sepal white, upper part tinged with purplish red, veins purple, lip white, front purplish red, with purplish red stripes on both sides below middle, disk with a yellow spot on either side, column white, both front sides with purple stripes, anther cap white; dorsal sepal ovate-lanceolate, ca. 2.5 × 0.9 cm, 5-veined, apex acute; lateral sepals similar in size and shape, but base slightly oblique; mentum subglobose, ca. 0.4 cm; petals ovate, ca. 2.6 × 1.3 cm, 3-veined, lateral main veins often branched, base shortly clawed, margin shortly fimbriate, apex subacute; lip suborbicular, ca. 3 cm, base shortly clawed, margin compound fimbriate, adaxially densely barbellate; column ca. 0.3 cm; anther cap subconic, densely finely papillate, front margin irregularly dentate, apex slightly concave.

Shady places,tree trunks

On mossy tree-trunk in forests; associated with epiphytic ferns; 1200-1400 m.