Volume 12 > Part 2 > Year 2014 > Page 444 > Orchidaceae > Cymbidium

1. Cymbidium aloifolium (L.) Sw.wfo-0000934297

Nova Acta Regiae Soc. Sci. Upsal., ser. 2, 6: 73. 1799; Seidenf., Opera Bot. 72: 77, fig. 43, t. Va. 1984; Du Puy & P.J.Cribb, Gen. Cymbidium: 118, fig. 59–62(1), 63(left), t. 8, map 10. 2007.— Epidendrum aloifolium L., Sp. Pl.: 953. 1753. Fig. 248; Plate XXXVI: 1.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Medium-sized, epiphytic herb. Pseudobulbs 6–9 by 3–4 cm, ovoid, bilaterally flattened. Leaves 4–5 per pseudobulb, 40–100 by 1.5–4.5 cm, ligulate, obtuse to emarginate and unequally bilobed at the apex, coriaceous, rigid, arching. Inflorescence 30–70 cm long, pendulous except at the base, with 20–45 flowers; rachis 24–76 cm long; bracts 2–5 mm long. Flowers 3.5–4.2 cm across; lightly scented; sepals and petals pale yellow to cream with a broad, central, maroon-brown stripe, often with darker streaks; labellum white or cream, side lobes and mid-lobe veined maroon, mid-lobe yellow at the base; ridges and disk yellow. Dorsal sepal 19–24 by 5–8.5 mm, narrowly oblong to narrowly ligulate-elliptic, obtuse, mucronate, erect; lateral sepals similar, oblique, spreading. Petals 18–20 by 5–8.5 mm, narrowly elliptic, obtuse to acute, sometimes mucronate, porrect and almost parallel above the column. Labellum 15–23 by 10–14 mm when flattened, saccate at the base, minutely papillose to minutely pubescent; side lobes acute to acuminate, exceeding the column and the anther; mid-lobe 8.4–12 by 6.5–9 mm, ovate, acute to obtuse, often mucronate, usually recurved, margin entire; ornaments usually of 2 sigmoid ridges often broken in the middle and inflated only towards the base and the apex. Column 10–12 mm long; pollinia 2. Capsule 4–7 by 2–3 cm, oblong-ellipsoidal.

Thailand : NORTHERN: Mae Hong Son, Chiang Mai, Chiang Rai, Nan, Lampang, Phrae; NORTH-EASTERN: Sakon Nakhon, Mukdahan; EASTERN: Chaiyaphum; SOUTH-WESTERN: Prachuap Khiri Khan; CENTRAL: Nakhon Nayok, Nonthaburi; SOUTH-EASTERN: Chachoengsao, Chon Buri, Chanthaburi, Trat; PENINSULAR: Chumphon, Surat Thani, Phangnga, Krabi, Satun.

Distribution : Nepal, India, Andaman Islands, Bangladesh, Sri Lanka, S China, Hong Kong, Myanmar, Cambodia, Laos, Vietnam, Peninsular Malaysia, Sumatra, Java. Iconotype in Rheede, Hort. Malab. 12(8): t. 8. 1703.

Ecology : In the forks and hollows of large branches and tree trunks, usually in open forests in partial shade provided by the leaf canopy, also on limestone rocks; sea level–1,500 m alt. Flowering: (March–)April–June(–August).

Vernacular : Karekaron (กะเรกะร่อน)(Nakhon Ratchasima); ueang dam khao (เอื้องด้ามข้าว)(Lampang); ueang pak pet (เอื้องปากเป็ด)(Chiang Mai).