Corydalis Vent.

10. Corydalis Vent. View in CoL 2

Glabrous (but see 1 (b)) herbs with compound leaves and racemose inflorescences. Sepals 2, free, or absent. Petals 4; 2 inner similar, oblong, broadened and coherent at apex; 2 outer dissimilar, the lower usually somewhat saccate at base, expanded into a broad limb at apex, the upper with a distinct spur at the base and a more or less expanded limb at apex. Stigma emarginate or bifid. Fruit an oblong, 2-valved capsule with 2 to many seeds. Seeds with a conspicuous aril.

Literature: M. Ryberg, Acta Horti Berg. 16 (7): 233-40 (1953) and 17 (5): 115-75 (1955). K. v. Poellnitz, Feddes Repert. 44: 154-7 (1938) and 45: 96-112 (1938). F. Fedde, in Engler & Prantl, Naturi. Pflanzenfamilien ed. 2, 17 b: 123 (1936).

1 Annual or biennial, or perennial with rhizomatous stock;

leaves many; racemes axillary 2 Leaves withtendrils; pedicelslessthan3 mm 1. claviculata 2 Leaves without tendrils; pedicels more than 3 mm 3 Petalspurplish,yellow atapex 7. sempervirens 3 Petalsyellow,whitishorgreenish,notpurplish 4 At least the lower bracts toothed or dissected 5 Lower bracts similar to the upper leaves 2. capnoides 5 Lower bracts distinctly less compound or dissected than the upper leaves 6. nobilis 4 All bracts entire 6 Petiole very narrowly winged; fruit erect 5. ochroleuca 6 Petiole unwinged; fruit pendent

7 Annual; leaves glaucous on both surfaces; petals white,

yellowish-green at apex 4. acaulis

7 Perennial; leaves green above, glaucous beneath; petals golden yellow, darker at apex 3. lutea 1 Perennial with tuberous stock; stems, or each branch of stem,

with 1—2(—3) leaves; racemes terminal 8 Stem without a conspicuousscalebelowlowestleaf 9 Racemes 1- to 3-flowered; leaves opposite 8. rutifolia

Racemes more than 5-flowered; leaves alternate 9. bulbosa 8 Stem with a conspicuous scale below lowest leaf 10 All bracts entire 12. intermedia 10 At least the lower bracts dissected or 3-fid 11 Lowerpedicelslessthan 5 mm 13. puntila 11 Lower pedicels more than 5 mm 12 Corolla reddish, purplish or white

13 Ripe fruit about as long as pedicel 14. solida

13 Ripe fruit 2-3 times as long as pedicel 10. paczoskii 12 Corolla yellow

14 Ultimate leaf-segments linear-lanceolate 11. angustifolia

14 Ultimate leaf-segments broadly obovate 14. solida