Dendrobium sanseiense

小攀龍

endemic

Dendrobium sanseiense Hayata

名彙資訊

特徵描述

典藏標本

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同發表文獻

Sarcopodium fargesii (Finet) T. Tang & F. T. Wang

T. Tang & F. T. Wang, Acta phytotaxonomica sinica eng 1(1): 42. 1951. (Acta Phytotax. Sin., 植物分類學報)
Epigeneium sanseiense (Hayata) Summerh.

Summerh., Kew bulletin 12(2): 264. 1957. (Kew Bull.)
Epigeneium sanseiense auct. non (Hayata) Neckejima

T. P. Lin, Native Orchids of Taiwan 3: 62. 1987. (Native Orch. Taiwan)
Epigeneium fargesii auct. non (Finet) Gagnep.

Su, Quarterly journal of Chinese forestry 22(2): 26. pl. 5. 1989. (Quart. J. Chin. For., 中華林學季刊)

herb

Rhizomes not distinct. Pseudobulbs horizontally creeping, obliquely ovate, 1-2 cm long, ca. 6-8 mm in diam., dark green or purplish, covered with membranaceous scales at first, salcate or rugose when mature.
Leaves, elliptic to obovate, 1-2.5 cm long, 6-10 mm wide, apex rounded, emarginate, base cuneate, upper surface green, lustrous, lower surface pale, articulate with pseudobulb.
Peduncle ca. 1 cm long, sheathed; pedicel and ovary ca. 2 cm long. Flower light purple or nearly white, not opening widely; dorsal sepal ovate, 9-10 mm long, 5-6 mm wide, apex acute, contracted at base, 5-nerved; lateral sepal obliquely falcate, ca. 22 mm long, apex acuminate, base adnate to lower foot of column for 15 mm, upper part free for 12 mm, with 5 veins; petals obliquely triangular, 14-16 mm long, apex acute, base broadened, adnate to upper side of foot of column for 10 mm, with 5 veins; lip cuneate-obovate, 23-26 mm long, 12 mm wide, 3-lobed, base clawed, lateral lobes erect, terminal lobe down curved, emarginate or retuse, disc with 1 or 2 basally fused longitudinal keels; column ca. 3-4 mm long, foot ca. 20-22 mm long, 4-5 mm wide, sides thin, wing-like; anther orbicular, cap-like, ca. 1.8 mm long, with 2 raised calli at apex; pollinia 4, obliquely clavate, 1.5 mm long.