白肋菱兰Rhomboda tokioi
白肋翻唇兰（中国兰花全书）
白肋角唇兰（台湾兰科植物）、白点伴兰（台湾植物志）
伴兰、红花伴兰（台湾兰科植物彩色图鉴）
Hetaeria cristata Bl. , Coll. Orch. Arch. Ind. 103. 1858; Dunn. et Tutch. in Kew Bull. Add. Ser. 10: 268(Fl. Kwang. Hongk. ). 1912; S. Y. Hu in Quart. J. Taiwan Mus. 27(1-2): 183. 1974; Garay et Sweet, Orch. South. Ryukyu Isl. 91. 1974;台湾兰科植物1: 204-205(图). 1975; 台湾植物志5: 1033. 1978;台湾兰科植物彩色图鉴2: 227 et 557, 图21. 1990. ——Zeuxine cristata(Bl. )Schltr. in Fedde Repert. Sp. Nov. Beih. 1: 77. 1911. ——Zeuxine yakusimensis Masamune in J. Soc. Trop. Agric. 3: 393. 1931. ——Hetaeria tokioi Fukuyama, 1. c. 434. ——Hetaeria yakustmensis(Masamune) Masamune in Sci Rep. Kanazawa Univ. 9: 131. 1964.——Hetaeria cristata Bl. var. tokioi(Fukuyama)S. S. Ying, Col. Illust. Indig. Orch. Taiwan 1: 468. 1977.
Forests; below 1500 m. Guangdong, C and N Taiwan [Japan, Vietnam].
Paul Ormerod ( 1995 ) in Orchadian 11 ( 7 ) : 333 identified the new species as Rhomboda cristata ( Bl. ) Ormd.and he ( 1998 ) in Australian Orchid Review identified the new species as Rhomboda tokioi ( Fukuyama ) Ormd.
The body and leaves of this species are similar to those of Goodyera velutina Maxim.The difference is that the lip is located above, the stigma is 2, free, and there are 2 winged appendages in front of the stamen. |
|
Plants 15-28 cm tall. Stem dark reddish brown, 5-9 cm, 4-6-leaved. |
|
Leaves abaxially pale green, adaxially sometimes with a white stripe along midvein, ovate to ovate-lanceolate, 3-9 × 1.5-4 cm; petiole-like base and tubular sheath 1-3 cm |
|
Peduncle 5-15 cm, with 1-4 sterile bracts; rachis 3-6 cm, laxly 3-15-flowered; floral bracts brownish red, ovate-lanceolate, 5-8 × 2.5-3 mm, lower ones exceeding ovary, margin ciliate, apex acuminate. Flowers half opening, not resupinate, small; ovary and pedicel 7-10 mm, glabrous to sparsely pubescent. Sepals reddish brown, glabrous to sparsely pubescent, 1-veined; dorsal sepal broadly ovate, 2.8-3 × 1.5-2 mm, apex acute; lateral sepals ovate, oblique, 3.2-4 × 2-2.3 mm, apex acute. Petals white, ovate, oblique, sides extremely unequal, 2.8-3 × ca. 2 mm, glabrous, 1-veined, apex acute; lip white, oblong-ovate, cymbiform, 3-3.5 mm, 2-partite; hypochile concave-saccate, 2-2.5 × 1.8-2 mm, containing 2 large hornlike calli near base; carina low, forming a fleshy bicarinate callus toward apex of hypochile; epichile broadly elliptic to subquadrate, tapering, ca. 1 × 0.4-0.8 mm, margin involute, apex obtuse; disk irregularly papillose. Column ca. 1.5 mm. Fl. Sep-Oct. 2n = 42. |
|
| |
| |
| |
|
