Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., Repert. Spec. Nov. Regni Veg. 11 (1912) 131; Nova Guinea 12, 4 (1916) 297, t. 108, fig. 193.
Type: Gjellerup 574 (holo BO; iso L?, possible, Bogor cult., s.n., no loc, no coll.).
Synonyms:
- Aporum humboldtense (J.J.Sm.) Rauschert, Feddes Repert. 94 (1983) 439.
- Ceraia humboldtensis (J.J.Sm.) M.A.Clem., Telopea 10, 1 (2003) 291
Stems elongated, in basal part slender for 2-4.5 cm, then swollen into 2-10 cm long, 0.7-0.85 cm wide pseudobulbs, these in cross section transversely rhombic, above the pseudobulbs with a longer and narrower section, c. 40 cm long, which is leafy in the basal part and covered with scale-leaves in the upper part; internodes 1.5-2 cm long. Leaf sheaths strongly laterally compressed. Leaves erect, laterally compressed, slightly falcate, lanceolate, 4.4 by 0.87 cm, apex very sharply acuminate. Inflorescences arising in fascicles from the bare upper part of the stem, 1-flowered, very short. Pedicel and ovary 1.5 cm long. Flower c. 1.9 cm long. Dorsal sepal 0.57 cm by 4 mm, margins strongly recurved; mentum 1.35 cm long, obtuse. Petals 0.6 cm by 2.3 mm, margins recurved. Lip 3-lobed, 0.9 by 0.4 cm, for c. 0.58 cm adnate to the column-foot. Column 0.17 cm long; column-foot 1.4 cm long, inside with a distinct keel.
(after Smith, 1916).
Pedicel light green, ovary paler so. Sepals and petals pale greenish to lemon yellow to mauve, sometimes with thin dull purple lines. Lip white, nerves on the basal half of the lip narrow purplish, median along the keels yellowish, sometimes to the tip greenish, or orange-yellow. Column greenish or white; anther white.
Epiphyte in hill forest along the coast. Altitude 50 m.
New Guinea (endemic).
Papua (Jayapura Regency).
Warm growing epiphyte.
July.
Dendrobium humboldtense differs from Dendrobium macfarlanei by the more open and slender flower with strongly recurved sepals and petals.
Sponsored Ads
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., photo Ed de Vogel, from XXXXXX cult. s.n., from Indonesia, Papua Prov., Keerom Regency
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., photo Ed de Vogel, from XXXXXX cult. s.n., from Indonesia, Papua Prov., Keerom Regency
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., photo Ed de Vogel, from XXXXXX cult. s.n., from Indonesia, Papua Prov., Keerom Regency
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., photo Ed de Vogel, from XXXXXX cult. s.n., from Indonesia, Papua Prov., Keerom Regency
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., photo Ed de Vogel, from XXXXXX cult. s.n., from Indonesia, Papua Prov., Keerom Regency
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., photo Ed de Vogel, from XXXXXX cult. s.n., from Indonesia, Papua Prov., Keerom Regency
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., photo Ed de Vogel, from XXXXXX cult. s.n., from Indonesia, Papua Prov., Keerom Regency
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., photo Ed de Vogel, from XXXXXX cult. s.n., from Indonesia, Papua Prov., Keerom Regency
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., photo Ed de Vogel, from XXXXXX cult. s.n., from Indonesia, Papua Prov., Keerom Regency
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., photo Ed de Vogel, from XXXXXX cult. s.n., from Indonesia, Papua Prov., Keerom Regency
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., drawing J.J. Smith, based on Gjellerup 574
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., drawing J.J. Smith, based on Gjellerup 574
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., probable isotype specimen: Bogor cult. s.n. (L)
Dendrobium humboldtense
Dendrobium humboldtense J.J.Sm., detail of probable isotype specimen: Bogor cult. s.n. (L)