Dendrobium chiangdaoense Promm., Kidyoo, Buddhawong & Suddee

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Scientific name

Dendrobium chiangdaoense
Promm., Kidyoo, Buddhawong & Suddee

Clade/Class

Mesangiosperms

Group

Spermatophytes

Family

Orchidaceae

Genus

Dendrobium

Clade/Subclass

Monocots

Order

Asparagales

Sub Family

_

Tribe

_

Plant epiphytic, tufted. Pseudobulbs erect, fusiform or cylindric. Foliage leaves 2–3, distichous, spreading, slightly recurved, linear-oblong, elliptic or oblong, 2–3 × 3–5 mm, apex unequally and shortly 2-lobed, each lobe acute, base expanded into sheaths, chartaceous, glabrous on both sides. Inflorescences raceme, 1–2-inflorescenced, axillary and terminal, erect, 1.3–2.5 cm long, lax, 3–5-flowered. Flowers resupinate, waxy and polished, scented, long-lasting, 6–8 mm in diam. Sepals pale green with dull green at base, spreading, often recurved distally, margin entire, abaxial surface distinctly keeled. Petals green, with 3 longitudinal light reddish-purple veins, spreading, linear-oblanceolate, apex acute, base truncate, margin entire. Labellum light green with reddish-purple dots, recurved at apex, 3-lobed, attenuate at base. Column glossy green with slight purple tinge, short. Pollinia 4, bright yellow, in 2 pairs, each pollinium narrowly elliptic. Ovary narrowly clavate, curved, glabrous, somewhat waxy, 6-grooved.

Habitat

Epiphytic herb on tree trunks in mixed deciduous forest on limestone hills at ca. 800 m elev.

Locality

Chiang Mai Province: Chiang Dao District, road to Ban Huay Ja Khan

Date of collection

13/10/2015

Type specimen

Buddhawong & Suddee 018 (holotype BKF!)