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

9. Cypripedium fasciolatum Franchet, J. Bot. (Morot). 8: 232. 1894.

大叶杓兰 da ye shao lan

Cypripedium langrhoa Gattefosse ex Constantin; C. wilsonii Rolfe.

Plants 30-45 cm tall, with a stout, short rhizome. Stem erect, glabrous or pubescent near upper nodes, with several sheaths at base and 3 or 4 leaves above. Leaf blade elliptic or broadly elliptic, 15-20 × 6-12 cm, both surfaces glabrous, ciliate, apex shortly acuminate. Inflorescence terminal, 1- or rarely 2-flowered; peduncle pubescent in upper part; floral bracts foliaceous, elliptic or ovate, 7-10 × 3-6.5 cm, abaxial veins occasionally pubescent toward base, apex acuminate; pedicel and ovary 1.5-3 cm, with dense reddish brown glandular hairs. Flowers fragrant, large, to 12 cm in diam., pale to lemon-yellow, with maroon longitudinal stripes on sepals and petals. Dorsal sepal ovate-elliptic or ovate, 5-6 × 2.8-3.5 cm, abaxial veins slightly puberulent, margin sometimes slightly undulate, apex acuminate; synsepal similar to dorsal sepal, 5-6 × 2-2.5 cm, apex shallowly 2-lobed. Petals linear-lanceolate or broadly linear, 5.5-8 × 0.8-1.5 cm, pubescent toward adaxial base and on abaxial veins, apex acuminate; lip often ± ascending, deeply pouched, subglobose, 5-7 cm, mouth often slightly edged by teeth, outer surface glabrous, inner bottom hairy. Staminode ovate-elliptic, 1.5-2 × ca. 1 cm, abaxially carinate, base slightly auriculate, margin slightly incurved. Fl. Apr-Jun.

● Open forests, scrubby slopes, grasslands; 1600-2900 m. Chongqing, W Hubei, SW Sichuan.


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