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39. Corydalis ternata (Nakai) Nakai, Bot. Mag. (Tokyo). 28: 29. 1914.
三裂延胡索 san lie yan hu suo
Corydalis bulbosa (Linnaeus) Candolle f. ternata Nakai, Bot. Mag. (Tokyo) 26: 91. 1912; C. nakaii Ishidoya; C. remota Fischer ex Maximowicz var. ternata (Nakai) Makino; C. turtschaninovii Besser var. ternata (Nakai) Ohwi.
Tuber rounded to oblong, small, 5-12 mm; accessory tubers often formed in axils of scales or rarely of lowermost cauline leaves. Stems 10-25 cm, underground part slender, near base with 2 scales, ascending to erect, with 3 or 4 leaves, usually branched. Leaves ternate, lower ones with vaginate petioles; leaflets elliptic, serrate, sometimes with a purplish blotch. Raceme 7-12-flowered, rather lax; bracts ovate, entire or dentate. Pedicels 5-9 mm, equaling or longer than bracts, slender. Sepals minute. Flowers amaranth. Outer petals not much diverging, apex obtuse to slightly emarginate; upper petal 15-17 mm; spur straight, 5-8 mm; nectary extended through ca. 1/3 of spur; inner petals ca. 10 mm. Capsule linear, ca. 15 mm, 6-10-seeded. Seeds keeled, covered with vesicular papillae. 2n = 16.
Water sides. ?Jilin, Liaoning (Andung) [Korea].
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