巨瓣兜兰  转到中国兰科植物志

Paphiopedilum bellatulum  分类来源:中国植物志

巨瓣兜兰(中国野生兰科植物彩色图谱)

 

Paphiopedilum bellatulum (Rchb. f.) Stein, Orchideenbuch 456. 1892; Pfitz. in Engler, Bot. Jahrb. 19: 40. 1894, et in Engler, Pflanzenreich IV (50) Heft 12: 55. 1903; Cribb in Curtis's Bot. Mag. 84: t. 880. 1983, et Genus Paphiopedilum 77. 1987; Braem, Paphiopedilum 44. 1988; Z. H. Tsi, S. C. Chen et K. Mori, Wild Orch. China 29. pl. 26. 1997; 中国兰花全书119.图6-5 (6). 彩图6-11. 1998.——Cypripedium bellatulum Rchb. f. in Gard. Chron. ser. 3, 3: 648, 747. 1888, et 17: 790. 1895. ——Cordula bellatula (Rchb. f. ) Rolfe in Orch. Rev. 20 (1) : 2. 1912. ——Paphiopedilum godefroyae auct. non (Godef. ) Stein: S. C. Chen et F. Y. Liu in Acta Bot. Yunnan. 4 (2) : 111. 1982.

 

In situ

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Shaded cliffs or rocky and well-drained places in forests in limestone areas; 1000-1800 m. W Guangxi, SW Guizhou, S Yunnan [Myanmar, Thailand].

Some writings mention that Paphiopedilum conco-bellatulum Hort. is also native to China ( F. Mark : Orch. Dig. 51 : 73. 1987 ) and should in fact be of this species.

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Plants lithophytic or terrestrial. Leaves 4 or 5, distichous; blade abaxially heavily purple spotted and carinate, adaxially tessellated with dark and pale green or green and whitish green, sometimes dark green and slightly mottled with whitish green, oblong-elliptic or narrowly elliptic, 11-18 × 2.9-4.2(-6) cm, apex acute or obtuse and unequally bilobulate. 

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Scape arching, terminating in 1 or rarely 2 flowers; peduncle deep purple or green spotted with purple, 2.5-5 cm, white pubescent; floral bract green, spotted with purple, ovate or elliptic, conduplicate, 2-2.6 × 1.5-2 cm, abaxially ± hairy on midvein, minutely ciliate; pedicel and ovary 3-3.5 cm, white pubescent. Flower white or rarely yellowish white, 6-8 cm in diam.; dorsal sepal and petals usually with large maroon spots 1.5-2 mm in diam.; synsepal, lip, and staminode with smaller spots. Dorsal sepal broadly ovate, 2.6-3.5 × 3.5-5 cm, slightly concave, minutely ciliate, rounded, slightly mucronate or retuse at apex; synsepal ovate-orbicular, 2-3 × 2-3 cm, concave, minutely ciliate. Petals broadly elliptic or broadly ovate-elliptic, 4.5-6 × 3-5 cm, adaxially hairy toward base, minutely ciliate, rounded at apex; lip ellipsoid-ovoid, usually 3-3.5 × 1.5-2 cm, apical margin incurved. Staminode suborbicular or subsquare, 8-10 × 8-10 mm, usually slightly tridenticulate at apex. Fl. Apr-Aug. 2n = 26.

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Fruit :



 



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