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FOC | Family List | FOC Vol. 25 | Orchidaceae | Kuhlhasseltia

1. Kuhlhasseltia yakushimensis (Yamamoto) Ormerod, Lindleyana. 17: 209. 2002.

旗唇兰 qi chun lan

Anoectochilus yakushimensis Yamamoto, Bot. Mag. (Tokyo) 38: 131. 1924; Cystopus humilis Fukuyama; Kuhlhasseltia integra (Fukuyama) T. C. Hsu & S. W. Chung; Pristiglottis humilis (Fukuyama) Fukuyama; P. integra Fukuyama; P. yakushimensis (Yamamoto) Masamune; Vexillabium humilum (Fukuyama) S. S. Ying; V. integrum (Fukuyama) S. S. Ying; V. yakushimense (Yamamoto) F. Maekawa.

Plants 8-15 cm tall. Rhizome branching, pubescent. Stem ascending, green. Leaves subrosulate at base of stem or spaced along stem, green, tinged with reddish purple, ovate, 0.8-5 × 0.6-2.5 cm, fleshy, 3-veined, base rounded, margin sometimes minutely toothed, apex acute; petiole-like base 5-15 mm. Inflorescence often purplish red, 4-8 cm, white pubescent, with 1-3 pinkish red sterile bracts; rachis pinkish, 1.5-4.5 cm, 2-7-flowered, sparsely pubescent; floral bracts purplish red, broadly lanceolate, 5-6 mm, abaxially sparsely pubescent, margin ciliate, apex acuminate. Flowers small; ovary slightly curved, cylindric-fusiform, 7-8 mm including pedicel, glabrous to pubescent. Sepals green at base, whitish pink toward apex; dorsal sepal shortly connate to lateral sepals at base, erect, oblong-ovate, concave, 3.5-4.5 mm, 1-veined, apex obtuse; lateral sepals oblong, falcate, 5-6 × ca. 2 mm, 1-veined, apex obtuse. Petals ovate, falcate, 4-5 × 1.5-2.5 mm, apex obtuse-apiculate; lip white, ca. 8 mm; hypochile saccate, containing 2 appendages; mesochile with 2 usually dentate flanges; epichile divergently 2-lobed, 3-4 × 4.5-5 mm. Column 2-3 mm; anther cordate, ca. 1.4 mm, apex acuminate; pollinia obovoid, attached to triangular viscidium; rostellum erect, furcately 2-lobed, lobes unequal in size. Fl. Aug-Sep. 2n = 26.

Forests, rocky crevices, along streams; 400-1600 m. Anhui, Hunan, Shaanxi, Sichuan, Taiwan, Zhejiang [Japan, Philippines].

The S Taiwan (Lan Yu) endemic Pristiglottis integra has a pubescent ovary but in other character states overlaps with Kuhlhasseltia yakushimensis.


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