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

88. Impatiens margaritifera J. D. Hooker, Nouv. Arch. Mus. Hist. Nat., sér. 4. 10: 249. 1908.

无距凤仙花 wu ju feng xian hua

Plants annual, 40-50 cm tall, glabrous. Stem erect, branched or simple. Leaves alternate or opposite in lower and middle parts of stem; petiole 1-5 cm; leaf blade ovate, 3-10 × 1.5-3.5 cm, membranous, with 2 large basal glands, setose between teeth, lateral veins 5-7 pairs, base cuneate, margin coarsely crenate, apex acuminate. Inflorescences axillary, racemose, (3-)6-8-flowered. Pedicels short, bracteate at base; bracts caducous or persistent, linear or linear-oblong, 2-4 mm, apex acute. Flowers white, small, ca. 2 cm. Lateral sepals 2, ovate-orbicular, small, mucronulate. Lower sepal navicular, spur absent. Upper petal elliptic-obovate or suborbicular, apex mucronulate; lateral united petals broadly clawed, 2-lobed; basal lobes ovate-oblong or suborbicular; distal lobes narrowly dolabriform or oblong-dolabriform, longer; auricle broad. Anthers obtuse. Capsule linear, to 1.8 cm. Seeds few, obovoid. Fl. Jul-Sep.

● Understories of Abies forests, forest margins, grasslands, riverbanks, streamsides, moist places; 2600-4000 m. SW Sichuan, Xizang, NW Yunnan.

1 Plants short; leaves opposite in lower and middle parts of stem, upper leaves alternate; inflorescences 3-6-flowered, bracts persistent; basal lobes of lateral united petals suborbicular, distal lobes oblong-dolabriform.   88c var. humilis
+ Plants relatively taller; leaves alternate; inflorescences 6-8-flowered, bracts caducous; basal lobes of lateral united petals ovate-oblong, distal lobes narrowly dolabriform   (2)
2 (1) Flowers white; lateral sepals ovate-orbicular, apex mucronate.   88a var. magaritifera
+ Flowers purplish; lateral sepals obliquely ovate, apex long mucronulate.   88b var. purpurascens


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