Species Information - Dendrobium secundum

Dendrobium secundum (Blume) Lindl., Edwards's Bot. Reg. (1829) t. 1291.

Type: Blume s.n. (Java, Tjikao) (holo L).

Synonyms:

• Pedilonum secundum Blume, Bijdr. (1825) 322.
• Callista secunda (Blume) Kuntze, Rev. Gen. Pl. (1891) 653.

Stems crowded, stout, terete, grooved, slightly flexuose, many-leaved, up to 1 m and more long though usually less, 1.5 cm wide, internodes to 3.5 cm long. Leaves soon deciduous, oblong to lanceolate, c. 10 by 3.5-4.3 cm, weekly keeled along midvein below, apex obliquely obtuse. Inflorescence arising laterally from the bare stems, densely many-flowered, with the flowers all pointing in the same direction (secund), to c. 11 cm long, peduncle c. 2 cm long, rachis angular. Bracts triangular, 0.3 cm long, acute. Pedicel and ovary 1.4 cm long, near the apex shortly and densely ciliate. Flowers c. 1.8 cm long, lasting a few weeks. Sepals ovate-triangular, 0.75 cm by 3.7 mm, 5-nerved, acuminate; the lateral sepals decurrent on the column-foot, front margins connate, forming a spur-like, somewhat inflated, 0.75 cm long obtuse mentum. Petals lanceolate, 0.75 cm by 2.3 mm, 3-nerved, subacute. Lip entire, linear-spathulate, channelled, 1.6 cm long, with its basal part for 0.5 cm adnate to the column-foot, forming a spur, close to the entrance of the spur with a membranous, V-shaped appendage, margins in apical part incurved, apex subacute. Column 0.35 cm long, stout, stelidia thick, thinner at the margins. Anther cucullate, short and densely hairy at apex, column-foot curved, parallel with the ovary, channelled, 0.9 cm long; stigma long and narrow.
(after Smith, 1905).

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