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Cymbidium dayanum Day's Cymbidium


Day's Cymbidium, Cymbidium dayanum


Cymbidium dayanum Rchb.f 1869

FragranceFull sunCoolTo Warm SummerFall

Common Name Day's Cymbidium [English Orchid Grower 1800's] - In Japan Hetsuka-ran - In China Dong Feng Lan

Flower Size 1.6 to 2" [4 to 5 cm]

This medium sized, cold to warm growing epiphytic or terrestrial species occurs low down on tree trunks and can be found in Assam India, eastern Himalayas, Sikkim, Thailand, Cambodia, China, Vietnam , Borneo, Malaysia, the Philippines, Sulawesi, Sumatra, Taiwan, Ryukyu Islands and Japan, in evergreen lowland forests at elevations of 300 to 1800 meters, with indistinct, strongly compressed-ellipsoid pseudobulbs enveloped by scarious, persistent leaf bases and cataphylls and carrying 5 to 8, disitichous, narrow-linear, dark green, slightly leathery, pale green, acute to acuminate, sessile [no petiole] leaves with the articulation 1.2 to 2.4" away from the base that blooms in the summer and fall on a basal, erect to pendant, several [5 to 15] flowered, 9" [22.5 cm] long, racemose scape subtended with pink veined sheaths and triangular, acute, purplish floral bracts and carrying mostly non-fragrant flowers, and needs even year round conditions.

Synonyms Cymbidium acutum Ridl. 1896; Cymbidium alborubens Makino 1902; Cymbidium angustifolium Ames & C.Schweinf. 1920; Cymbidium dayanum subsp. leachianum (Rchb.f.) S.S.Ying 1989; Cymbidium dayanum var. austrojaponicum Tuyama 1941; Cymbidium eburneum var. austrojaponicum (Tuyama) M.Hiroe 1971; Cymbidium eburneum Lindley var dayanum Hkr. f. 1891; Cymbidium leachianum Rchb.f. 1878; Cymbidium poilanei Gagnep. 1931; Cymbidium pulcherrimum Sander 1891; Cymbidium simonsianum King & Pantl. 1895; Cymbidium sutepense Rolfe ex Downie 1925