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FOC | Family List | FOC Vol. 12 | Balsaminaceae | Impatiens

29. Impatiens conchibracteata Y. L. Chen & Y. Q. Lu, Acta Bot. Yunnan. 12: 26. 1990.

贝苞凤仙花 bei bao feng xian hua

Plants annual, 30-60 cm tall. Stem erect, many branched. Leaves alternate; petiole 1-2 cm; leaf blade ovate-elliptic, 5-8 × 2-3 cm, papery, abaxially hairy, lateral veins 5-7 pairs, base acute or subrounded, glandular, margin serrate, teeth mucronulate, apex acuminate. Inflorescences 1-3-flowered, one flower often abortive; peduncles 1-1.5 cm. Pedicels ca. 2 cm, bracteate at base; bracts persistent, conchiform or arcuate, ca. 3 mm, apex mucronulate. Flowers yellow, ca. 3.5 cm deep, ca. 2 cm in diam. Lateral sepals 2, brown when dry, orbicular, 6-8 mm in diam. Lower sepal deeply saccate, constricted into a curved, short spur; mouth oblique, acute. Upper petal suborbicular, 1-1.2 cm wide, abaxial midvein rostellate at middle; lateral united petals clawed, ca. 2.7 cm, 2-lobed; basal lobes orbicular, ca. 9 mm wide; distal lobes broadly dolabriform, large; auricle inflexed, suborbicular. Filaments flattened, ca. 5 mm; anthers ovoid, apex acute. Ovary erect, clavate. Capsule clavate, 2-2.5 cm, 3-5-seeded. Seeds brown-black, suborbicular, ca. 2 mm in diam. Fl. and fr. Aug-Sep.

● Forest understories, shaded moist places; 1800-2800 m. Sichuan (Emei Shan).

This species is closely related to Impatiens duclouxii but differs in having inflorescences 1-3-flowered, lateral sepals smaller, and leaves abaxially hairy.


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